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Honeywell T4 vs Honeywell T5: 104 Highlights & 50 Differences — So, Which Thermostats Actually Works Better

Explore the key differences between T4 and T5. See which offers the best smart features, design, and control for your home. Not sure which thermostats is the better fit? This thermostats comparison puts Honeywell T4 vs Honeywell T5 side by side — starting from depth, mounting type, wall plate & detachable unit to what users love.

55 Points
Honeywell
Honeywell
Honeywell T4
Honeywell T4
69 Points
Honeywell
Honeywell
Honeywell T5
Honeywell T5
vs

Highlights 151

No extras. Just what matters.
55 Points
vs
69 Points

Why is Honeywell T4 better than Honeywell T5 ?

Scroll down for more facts

Honeywell T4 vs Honeywell T5: A Clear Comparison of Two Smart Programmable Thermostats

When choosing a thermostat for your home, comfort and convenience come first. The Honeywell T4 and Honeywell T5 stand out as two programmable thermostats designed for residential use, both promising precise control over your home climate. While they share core HVAC compatibility, including multi-stage heating, gas furnace, central air conditioning, and boiler support, several key differences can influence your decision.

The T4 opts for simplicity with a detachable unit design and energy-conscious standby power usage. In contrast, the T5 offers enhanced smart features like cloud connectivity, voice assistant integration, and richer scheduling options. Both devices feature wall-mounted installation and child lock control, yet they diverge in display size, color options, and connectivity that might affect usability and installation preferences.

Distinctive Features of the Honeywell T4: A Simple and Efficient Solution

The Honeywell T4 impresses with its straightforward approach, ideal for those prioritizing ease and energy saving. Its slightly deeper profile with a 1.1-inch depth and detachable unit simplifies maintenance and installation. Available exclusively in white, it maintains a clean and timeless aesthetic. The interface includes a 2.8-inch display that, while modest in size, provides essential information clearly alongside useful safety features like a child lock and control lock to avoid accidental changes.

However, the T4 does not connect to the cloud and lacks smart home integration, making it a purist's choice for those who prefer manual control and minimal automation. It supports only basic guided scheduling without eco or sleep modes, keeping programming simple but functional. Notably, it excels in power efficiency with a lower standby power consumption of 0.5 watts and a reliable 12-month battery life, using AA batteries that are easy to replace. The maintenance alerts and overheat protection ensure safe and consistent operation, backed by a typical lifespan of around 10 years.

Why the Honeywell T5 Shines as a Smart Thermostat Choice

Stepping into modern smart home capabilities, the Honeywell T5 offers a more versatile and connected experience. It sports a larger 3.5-inch touchscreen display that enhances visibility and ease of use, alongside the convenience of color options in black or white. The T5 is cloud-connected, enabling remote control through apps and seamless integration with smart home systems via IFTTT and voice assistants, marking a significant upgrade in user interaction and automation capabilities.

In terms of operational intelligence, the T5 provides enhanced features such as eco mode, sleep mode, and support for smart home scenes that simplify daily temperature adjustments with automation adapted to your lifestyle. It further tracks historical data to help optimize energy use over time.

While it consumes slightly more power at 1 watt standby, its battery setup is similar to the T4, ensuring a full year of uninterrupted use. Like the T4, it is FCC compliant with safety features such as overheat protection and maintenance alerts, supporting a 10-year lifespan.

Quick Take

The Honeywell T4 stands out for those seeking a dependable, energy-efficient thermostat with simplified programming and a practical detachable design. Meanwhile, the Honeywell T5 shines with its expansive touchscreen, smart connectivity, and advanced scheduling that enhance comfort and energy savings through automation. Both are solid choices, but your preference hinges on how connected and hands-off you want your home heating and cooling control to be.

Bottom Line: Which Honeywell Thermostat Should You Choose?

For anyone embracing smart home conveniences and aiming for the latest in automation, the Honeywell T5 offers superior functionality with its cloud connectivity and voice control integration, coupled with a clearer and more colorful display. Conversely, if you desire a straightforward setup with modest tech demands but excellent power efficiency, the Honeywell T4 remains an attractive option, especially with its detachable unit easing installation.

Verdict

  • Winner: Honeywell T5 - for its smarter features, better display, and comprehensive compatibility with modern home automation systems.
  • Runner-up: Honeywell T4 - for users who favor simplicity, energy efficiency, and easier maintenance without the need for smart home connectivity.

Comparisons 16

Two enter. One leaves your cart.

Related comparisons 16

Because one duel is never enough.

Comparisons & Facts 151

Side by side. The numbers. The features. No drama.

From specs to real-life pros and cons, we broke down everything you need to know about Honeywell T4 vs Honeywell T5. This is your go-to thermostats comparison if you want clarity before buying — no fluff, just useful insights.

General Information 17

Color

What color is the thermostat?

34 Honeywell T4 0 Votes White

75 Honeywell T5 0 Votes Black,White

Honeywell T4
vs
Honeywell T5
Color

The Color specification differs between Honeywell T4 and Honeywell T5. The T4 is available only in White, while the T5 offers both Black and White options. For users seeking color variety, Honeywell T5 is the better choice.

Indicates the exterior color of the thermostat for visual and aesthetic matching.

Country of Manufacture

Where is this thermostat manufactured?

74 Honeywell T4 0 Votes US

95 Honeywell T5 0 Votes US

Honeywell T4
vs
Honeywell T5
Country of Manufacture

Country of Manufacture is the United States for both Honeywell T4 and T5, ensuring similar quality standards for either choice.

Indicates the country where the thermostat is manufactured or assembled.

Thermostat Category

What category of thermostat is this?

64 Honeywell T4 0 Votes Programmable

55 Honeywell T5 0 Votes Programmable

Honeywell T4
vs
Honeywell T5
Thermostat Category

Both Honeywell T4 and T5 fall into the Programmable Thermostat Category, offering similar programmability features for customizable temperature control.

Indicates the functional category of the thermostat.

Voice Assistant

Does it support voice assistants?

No 0 Votes Honeywell T4

Yes 1 Votes Honeywell T5

Honeywell T4
vs
Honeywell T5
Voice Assistant

Regarding Voice Assistant support, Honeywell T4 lacks this feature, whereas Honeywell T5 includes it. Therefore, T5 suits users looking for voice control capabilities.

Indicates compatibility with voice assistants.

The voice assistant feature on the T5 is a game changer for daily convenience I use it all the time.

See more

Installation Location

Where can this thermostat be installed?

44 Honeywell T4 0 Votes Indoor

45 Honeywell T5 0 Votes Indoor

Honeywell T5
Honeywell T5

Intended installation location is indoors, compatible with typical residential environments.

Describes where the thermostat is designed to be installed.

Smart Thermostat

Is this a smart thermostat?

No 0 Votes Honeywell T4

Yes 0 Votes Honeywell T5

Honeywell T5
Honeywell T5

This product qualifies as a smart thermostat, offering advanced controls, connectivity, and automation features.

Indicates whether the thermostat has smart connectivity features.

Mobile App

Can it be controlled using a mobile app?

No 0 Votes Honeywell T4

Yes 0 Votes Honeywell T5

Honeywell T5
Honeywell T5

Accompanied by a mobile app, the thermostat allows remote monitoring and control via smartphones or tablets.

Confirms whether the thermostat can be controlled via mobile app.

Language Support

What languages are supported?

94 Honeywell T4 0 Votes English

78 Honeywell T5 0 Votes English, Spanish, French

Honeywell T5
Honeywell T5

Multiple language support in English, Spanish, and French makes the thermostat accessible to a diverse user base.

Lists supported display or app languages.

Release Year

What year was this thermostat released?

19 Honeywell T4 0 Votes 2016

65 Honeywell T5 0 Votes 2016

Honeywell T4
Honeywell T4

The thermostat was released in the year 2016, providing context for its technology and compatibility with systems available at that time.

Indicates the year the thermostat model was officially released to the market.

Product Type

What type of product is this?

14 Honeywell T4 0 Votes Thermostat

45 Honeywell T5 0 Votes Thermostat

Defines the core product classification.

Intended Use

What is the intended use of this thermostat?

34 Honeywell T4 0 Votes Residential

25 Honeywell T5 0 Votes Residential

Honeywell T4
vs
Honeywell T5
Intended Use

Both Honeywell T4 and T5 are designed for Residential use, making them equally suitable for home thermostat needs without any difference in intended use.

Specifies the primary usage environment.

Control Method

How do you control this thermostat?

34 Honeywell T4 0 Votes Buttons

90 Honeywell T5 0 Votes Touch, App, Voice

Explains how users interact with the thermostat.

Physical & Installation 17

Depth

What is the depth of the thermostat?

1.1 inch 0 Votes
Honeywell T4
0.94 inch 0 Votes
Honeywell T5

Honeywell T4
vs
Honeywell T5
Depth

Depth differs slightly with Honeywell T4 at 1.1 inches and Honeywell T5 at a slimmer 0.94 inches. Those wanting a more compact thermostat may prefer the T5.

Measures how far the thermostat protrudes from the wall.

Mounting Type

How is the thermostat mounted?

44 Honeywell T4 0 Votes Wall-Mounted

95 Honeywell T5 0 Votes Wall-Mounted

Honeywell T4
vs
Honeywell T5
Mounting Type

Mounting Type for both Honeywell T4 and T5 is Wall-Mounted, providing users with an easy and standard installation method.

Specifies how the thermostat is mounted.

Wall Plate

Is a wall plate included?

Yes 0 Votes Honeywell T4

Yes 0 Votes Honeywell T5

Honeywell T4
vs
Honeywell T5
Wall Plate

Both Honeywell T4 and T5 come with a Wall Plate, simplifying installation and ensuring a clean wall interface.

Indicates whether a wall plate is included.

Detachable Unit

Is the unit detachable?

Yes 1 Votes Honeywell T4

No 0 Votes Honeywell T5

Honeywell T4
vs
Honeywell T5
Detachable Unit

Detachable Unit is available on Honeywell T4 but not on Honeywell T5. This makes T4 more convenient for maintenance or temporary removal.

Shows if the unit can be detached from base.

Detachable units like on the T4 make installation a bit easier in my opinion so I prefer that.

See more

Width

What is the width of the thermostat?

4.1 inch 0 Votes
Honeywell T4
4.06 inch 0 Votes
Honeywell T5

Honeywell T4
Honeywell T4

The width of the thermostat is 4.1 inch which converts to approximately 10.41 cm. This compact width allows it to fit conveniently on most wall spaces.

Honeywell T5
Honeywell T5

The width measures 4.06 inch (10.31 cm), providing a balanced size for handling and mounting.

Indicates the horizontal size of the thermostat.

Height

What is the height of the thermostat?

4.1 inch 0 Votes
Honeywell T4
4.06 inch 0 Votes
Honeywell T5

Honeywell T4
Honeywell T4

The height of the thermostat measures 4.1 inch, equivalent to around 10.41 cm. This size is typical for wall-mounted controls and ensures ease of use while keeping a low profile.

Honeywell T5
Honeywell T5

The height is 4.06 inch (10.31 cm), compact for wall-mounted placement.

Indicates the vertical size of the thermostat.

Weight

How much does the thermostat weigh?

0.5 lbs 0 Votes
Honeywell T4
0.2 lbs 0 Votes
Honeywell T5

Honeywell T4
Honeywell T4

The weight of the thermostat is 0.5 lbs, which is approximately 0.23 kg. Its lightweight design facilitates easy installation and handling.

Honeywell T5
Honeywell T5

The thermostat weighs 0.2 lbs (0.09 kg), making it lightweight and easy to install.

Shows how heavy the thermostat unit is.

Installation Orientation

What orientation can it be installed in?

44 Honeywell T4 0 Votes Portrait

45 Honeywell T5 0 Votes Portrait

Honeywell T4
Honeywell T4

Installation orientation is in portrait mode, which influences the display alignment and user interaction with the thermostat interface.

Honeywell T5
Honeywell T5

Installation orientation in portrait format fits standard vertical mounting on walls.

Defines allowed mounting orientation.

Trim Plate Compatibility

Is it compatible with trim plates?

Yes 0 Votes Honeywell T4

Yes 0 Votes Honeywell T5

Honeywell T4
Honeywell T4

The device is compatible with trim plates, allowing users to customize the aesthetic to better fit the decor around the thermostat.

Shows if trim plates can be added for coverage.

Wall Compatibility

What wall types are compatible?

44 Honeywell T4 0 Votes Drywall, Plaster

50 Honeywell T5 0 Votes Drywall, Plaster

Honeywell T5
Honeywell T5

Wall compatibility includes drywall and plaster, common materials for residential walls, facilitating easy installation.

Specifies supported wall materials.

Wiring Requirement

What wiring is required for this thermostat?

Who knows? 0 Votes Honeywell T4 (Help us out by suggesting one!)

60 Honeywell T5 0 Votes C-Wire, Low Voltage

Specifies the wiring configuration required for proper installation.

Display & Controls 18

Display Size

How large is the display?

2.8 inch 0 Votes
Honeywell T4
3.5 inch 1 Votes
Honeywell T5

Honeywell T4
vs
Honeywell T5
Display Size

Display Size is 2.8 inches for Honeywell T4 and larger at 3.5 inches for Honeywell T5, offering a bigger screen that may improve readability on the T5.

Indicates the diagonal size of the display.

I really appreciate the bigger display size on the T5 it makes everything easier to read and interact with.

See more

Proximity Activation

Does the display activate by proximity?

No 0 Votes Honeywell T4

No 0 Votes Honeywell T5

Honeywell T4
vs
Honeywell T5
Proximity Activation

Proximity Activation is not supported by either Honeywell T4 or T5, meaning neither automatically adjusts when sensing user presence.

Activates the screen when someone approaches.

Control Lock

Is there a control lock feature?

Yes 0 Votes Honeywell T4

Yes 0 Votes Honeywell T5

Honeywell T4
vs
Honeywell T5
Control Lock

Control Lock functionality is present in both Honeywell T4 and T5, enhancing security by locking controls against unintended changes.

Prevents unauthorized setting changes.

Child Lock

Does it have a child lock?

Yes 0 Votes Honeywell T4

Yes 0 Votes Honeywell T5

Honeywell T4
vs
Honeywell T5
Child Lock

Child Lock is featured on both Honeywell T4 and T5, providing safety by preventing unauthorized control by children.

Prevents accidental changes by children.

Display Type

What type of display does it use?

34 Honeywell T4 0 Votes LCD

75 Honeywell T5 0 Votes LCD

Honeywell T5
Honeywell T5

The display type is LCD, offering clear visuals and good visibility under various lighting conditions.

Defines the underlying display technology.

Accessibility Features

What accessibility features are included?

54 Honeywell T4 0 Votes Large-Text

84 Honeywell T5 0 Votes High-Contrast

Honeywell T5
Honeywell T5

Accessibility features like high-contrast displays improve usability for users with visual impairments.

Improves usability for accessibility needs.

Touchscreen

Does it have a touchscreen?

No 0 Votes Honeywell T4

Yes 0 Votes Honeywell T5

Shows whether touch input is supported.

Backlight

Is the display backlit?

Yes 0 Votes Honeywell T4

Yes 0 Votes Honeywell T5

Indicates if the display is backlit.

Adjustable Brightness

Can you adjust the brightness?

No 0 Votes Honeywell T4

No 0 Votes Honeywell T5

Honeywell T4
vs
Honeywell T5
Adjustable Brightness

Adjustable Brightness is not available on either Honeywell T4 or T5, so display brightness remains fixed on both devices.

Allows users to change screen brightness.

Color Display

Is it a color display?

No 0 Votes Honeywell T4

Yes 0 Votes Honeywell T5

Indicates support for multiple colors on screen.

Always-On Display

Is the display always on?

Yes 0 Votes Honeywell T4

No 0 Votes Honeywell T5

Shows key info without waking the device.

Physical Buttons

Does it have physical buttons?

Yes 0 Votes Honeywell T4

No 0 Votes Honeywell T5

Indicates presence of tactile buttons.

Connectivity & Smart Features 17

Cloud Connectivity

Does it connect to the cloud?

No 0 Votes Honeywell T4

Yes 1 Votes Honeywell T5

Honeywell T4
vs
Honeywell T5
Cloud Connectivity

Cloud Connectivity is absent in Honeywell T4 but included in Honeywell T5, allowing the latter to support remote management and smart features.

Shows whether cloud services are used.

Cloud connectivity on the T5 lets me control the thermostat from anywhere which is super handy.

See more

Zigbee

Does it support Zigbee?

No 0 Votes Honeywell T4

No 0 Votes Honeywell T5

Honeywell T4
vs
Honeywell T5
Zigbee

Zigbee is unsupported by both Honeywell T4 and T5, reflecting no compatibility with this smart home protocol.

Indicates compatibility with Zigbee networks.

Z-Wave

Does it support Z-Wave?

No 0 Votes Honeywell T4

No 0 Votes Honeywell T5

Honeywell T4
vs
Honeywell T5
Z-Wave

Neither Honeywell T4 nor T5 supports Z-Wave connectivity, indicating a limitation in smart home protocol compatibility.

Indicates compatibility with Z-Wave systems.

IFTTT

Is IFTTT supported?

No 0 Votes Honeywell T4

Yes 0 Votes Honeywell T5

Honeywell T4
vs
Honeywell T5
IFTTT

IFTTT support is unavailable on Honeywell T4 but present on Honeywell T5, enabling T5 users to automate tasks and enhance smart home integration.

Enables automation with third-party services.

Smart Home Ecosystem Compatibility

Which smart home ecosystems are supported?

Who knows? 0 Votes Honeywell T4 (Help us out by suggesting one!)

80 Honeywell T5 0 Votes Alexa, Google Home, Apple HomeKit

Honeywell T5
Honeywell T5

Supports major smart home ecosystems including Alexa, Google Home, and Apple HomeKit, enabling broad voice and app control options.

Lists supported smart home platforms.

Wi-Fi Connectivity

Does the thermostat support Wi-Fi connectivity?

No 0 Votes Honeywell T4

Yes 0 Votes Honeywell T5

Indicates whether the thermostat can connect to a Wi-Fi network for smart features and remote control.

Wi-Fi Band

Which Wi-Fi bands are supported?

Who knows? 0 Votes Honeywell T4 (Help us out by suggesting one!)

30 Honeywell T5 0 Votes 2.4GHz

Specifies supported Wi-Fi frequency bands.

Bluetooth Connectivity

Does it support Bluetooth?

No 0 Votes Honeywell T4

No 0 Votes Honeywell T5

Shows whether Bluetooth connectivity is available.

Thread

Does it support Thread?

No 0 Votes Honeywell T4

No 0 Votes Honeywell T5

Indicates support for the Thread protocol.

Local Control Capability

Can it be controlled locally without internet?

Yes 0 Votes Honeywell T4

Yes 0 Votes Honeywell T5

Indicates whether local control works without internet.

API Access

Is API access available?

No 0 Votes Honeywell T4

No 0 Votes Honeywell T5

Honeywell T4
vs
Honeywell T5
API Access

API Access is not supported by either Honeywell T4 or T5, limiting direct third-party integration beyond built-in features.

Indicates availability of developer APIs.

Remote Access

Can it be accessed remotely?

No 0 Votes Honeywell T4

Yes 0 Votes Honeywell T5

Allows control from outside the home.

Sensors & Monitoring 18

Historical Data Tracking

Can it track historical data?

No 0 Votes Honeywell T4

Yes 1 Votes Honeywell T5

Honeywell T4
vs
Honeywell T5
Historical Data Tracking

Historical Data Tracking is not included in Honeywell T4, while Honeywell T5 supports this feature, delivering better monitoring and energy insights.

Stores past environmental data.

Not having historical data tracking on the T4 is a bummer since I like to analyze usage patterns.

See more

Motion Sensor

Does it have a motion sensor?

No 0 Votes Honeywell T4

No 0 Votes Honeywell T5

Honeywell T4
vs
Honeywell T5
Motion Sensor

Motion Sensor capability is not present in either Honeywell T4 or T5, so neither model adjusts based on room occupancy.

Detects movement near the thermostat.

Remote Sensor

Can it use remote sensors?

No 0 Votes Honeywell T4

No 0 Votes Honeywell T5

Honeywell T4
vs
Honeywell T5
Remote Sensor

Remote Sensor support is missing from both Honeywell T4 and T5, meaning external temperature sensing is not available.

Indicates compatibility with external sensors.

Temperature Sensor Type

What type of temperature sensor is used?

64 Honeywell T4 0 Votes Thermistor

65 Honeywell T5 0 Votes Digital

Honeywell T5
Honeywell T5

Utilizes digital temperature sensors to provide precise temperature measurements and control.

Defines the technology used to measure temperature.

Humidity Sensor

Does it measure humidity?

No 0 Votes Honeywell T4

No 0 Votes Honeywell T5

Indicates whether humidity is measured.

Occupancy Detection

Can it detect room occupancy?

No 0 Votes Honeywell T4

No 0 Votes Honeywell T5

Determines if people are present in the space.

Ambient Light Sensor

Does it detect ambient light?

No 0 Votes Honeywell T4

No 0 Votes Honeywell T5

Adjusts display or behavior based on light.

Proximity Sensor

Does it have a proximity sensor?

No 0 Votes Honeywell T4

No 0 Votes Honeywell T5

Detects nearby presence for wake-up actions.

Outdoor Temperature

Does it support outdoor temperature data?

No 0 Votes Honeywell T4

Yes 0 Votes Honeywell T5

Allows use of outdoor temperature data.

Number of Remote Sensors Supported

How many remote sensors are supported?

Who knows? 0 Votes Honeywell T4 (Help us out by suggesting one!)

Who knows? 0 Votes Honeywell T5 (Help us out by suggesting one!)

Specifies how many remote sensors can connect.

Sensor Accuracy

How accurate are the sensors?

34 Honeywell T4 0 Votes Standard

25 Honeywell T5 0 Votes Standard

Honeywell T4
vs
Honeywell T5
Sensor Accuracy

Both Honeywell T4 and T5 offer Standard Sensor Accuracy, ensuring reliable temperature readings with similar precision.

Indicates how accurately the thermostat sensors measure conditions.

Sensor Calibration

Can the sensors be calibrated?

Yes 0 Votes Honeywell T4

Yes 0 Votes Honeywell T5

Allows manual or automatic sensor adjustment.

Scheduling & Automation 18

Eco Mode

Does it have an eco mode?

No 0 Votes Honeywell T4

Yes 1 Votes Honeywell T5

Honeywell T4
vs
Honeywell T5
Eco Mode

Eco Mode is absent in Honeywell T4 but included in Honeywell T5, helping T5 users to optimize energy savings with less manual input.

Reduces energy use automatically.

Eco mode on the T5 is pretty useful to save on energy bills I wish the T4 had it.

See more

Smart Home Scenes

Does it support smart home scenes?

No 0 Votes Honeywell T4

Yes 1 Votes Honeywell T5

Honeywell T4
vs
Honeywell T5
Smart Home Scenes

Smart Home Scenes are unavailable on Honeywell T4 but are a feature of Honeywell T5, allowing T5 to integrate seamlessly with smart home environments.

Integrates with smart home scenes.

Smart home scenes support on the T5 adds a lot of automation options I find really useful.

See more

Scheduling Type

What type of scheduling is available?

44 Honeywell T4 0 Votes Guided

54 Honeywell T5 0 Votes Guided

Honeywell T4
vs
Honeywell T5
Scheduling Type

Both thermostats use Guided Scheduling, which assists users in setting up temperature controls efficiently with clear prompts.

Defines how schedules are created and managed.

Sleep Mode

Is there a sleep mode?

No 0 Votes Honeywell T4

Yes 0 Votes Honeywell T5

Honeywell T4
vs
Honeywell T5
Sleep Mode

Sleep Mode is not found in Honeywell T4 but supported by Honeywell T5, making T5 superior for achieving nighttime comfort and energy savings.

Optimizes temperature for sleeping hours.

Weekly Scheduling

Can you set weekly schedules?

Yes 0 Votes Honeywell T4

Yes 0 Votes Honeywell T5

Honeywell T4
Honeywell T4

Weekly scheduling is supported, allowing users to program different temperature profiles for each day within the week.

Allows different schedules across the week.

Temperature Presets

Are temperature presets available?

Yes 0 Votes Honeywell T4

Yes 0 Votes Honeywell T5

Honeywell T4
Honeywell T4

Temperature presets are included, providing users with quick access to commonly preferred temperature settings.

Allows quick switching between preset temps.

Automation Rules

Can automation rules be created?

No 0 Votes Honeywell T4

Yes 0 Votes Honeywell T5

Honeywell T5
Honeywell T5

Supports automation rules, enabling complex programming for enhanced environmental control and energy savings.

Enables rule-based automation logic.

Time-Based Triggers

Are time-based triggers supported?

Yes 0 Votes Honeywell T4

Yes 0 Votes Honeywell T5

Honeywell T4
Honeywell T4

Time-based triggers are supported, enabling the thermostat to automatically adjust settings based on the time of day or week.

Executes actions at set times.

Event-Based Triggers

Are event-based triggers supported?

No 0 Votes Honeywell T4

Yes 0 Votes Honeywell T5

Honeywell T5
Honeywell T5

Event-based triggers allow automation based on specific happenings, such as occupant arrival, contributing to smarter energy management.

Responds to events like occupancy changes.

Utility Program Compatibility

Is it compatible with utility programs?

Yes 0 Votes Honeywell T4

Yes 0 Votes Honeywell T5

Honeywell T5
Honeywell T5

Compatibility with utility programs enables integration with demand response initiatives or incentives, supporting grid efficiency.

Works with energy provider programs.

Scheduling Capability

Does it support scheduling?

Yes 0 Votes Honeywell T4

Yes 0 Votes Honeywell T5

Indicates whether scheduling is supported.

Daily Scheduling

Can you set daily schedules?

Yes 0 Votes Honeywell T4

Yes 0 Votes Honeywell T5

Allows temperature changes by day.

HVAC Compatibility 18

Gas Furnace Compatibility

Does it support gas furnaces?

Yes 0 Votes Honeywell T4

Yes 0 Votes Honeywell T5

Honeywell T4
Honeywell T4

The thermostat supports gas furnace systems, suitable for common residential heating setups using natural gas or propane.

Indicates support for gas furnaces.

Multi-Stage Heating

Does it support multi-stage heating?

Yes 0 Votes Honeywell T4

Yes 0 Votes Honeywell T5

Indicates support for multi-stage heating.

Heating System Compatibility

What heating systems are supported?

41 Honeywell T4 0 Votes Furnace, Boiler, Heat Pump

42 Honeywell T5 0 Votes Furnace, Boiler, Heat Pump

Honeywell T5
Honeywell T5

Compatible with various heating systems including furnace, boiler, and heat pump, ensuring versatile application.

Indicates supported heating system types.

Heat Pump Compatibility

Does it support heat pumps?

Yes 0 Votes Honeywell T4

Yes 0 Votes Honeywell T5

Honeywell T5
Honeywell T5

Heat pump compatibility allows control of HVAC systems using heat pumps, which are common in energy-efficient heating and cooling.

Indicates support for heat pump systems.

Fan Control

Can it control the HVAC fan?

Yes 0 Votes Honeywell T4

Yes 0 Votes Honeywell T5

Honeywell T5
Honeywell T5

Fan control lets users manually or automatically control HVAC fans, contributing to air circulation and comfort.

Allows independent fan operation control.

Radiant Heating Compatibility

Does it support radiant heating?

Yes 0 Votes Honeywell T4

Yes 0 Votes Honeywell T5

Honeywell T5
Honeywell T5

Compatibility with radiant heating systems means the thermostat can effectively control underfloor or other radiant heat setups, broadening installation options.

Supports radiant floor or panel heating.

Oil Furnace Compatibility

Does it support oil furnaces?

Yes 0 Votes Honeywell T4

Yes 0 Votes Honeywell T5

Honeywell T5
Honeywell T5

Compatibility with oil furnaces allows integration with this heating type, accommodating a variety of fuel sources.

Indicates support for oil furnaces.

HVAC System Type

Which HVAC system types are supported?

59 Honeywell T4 0 Votes Central, Split

73 Honeywell T5 0 Votes Central, Split

Defines the general HVAC system types supported.

Cooling System Compatibility

What cooling systems are supported?

44 Honeywell T4 0 Votes Central AC, Heat Pump

72 Honeywell T5 0 Votes Central AC, Heat Pump

Indicates supported cooling system types.

Dual Fuel

Does it support dual fuel systems?

Yes 0 Votes Honeywell T4

Yes 0 Votes Honeywell T5

Supports dual-fuel HVAC configurations.

Multi-Stage Cooling

Does it support multi-stage cooling?

Yes 0 Votes Honeywell T4

Yes 0 Votes Honeywell T5

Indicates support for multi-stage cooling.

Humidifier

Does it support a humidifier?

No 0 Votes Honeywell T4

No 0 Votes Honeywell T5

Supports integrated humidifier control.

Power & Electrical 14

Standby Power Usage

How much power is used in standby?

0.5 Watt 1 Votes
Honeywell T4
1 Watt 0 Votes
Honeywell T5

Honeywell T4
Honeywell T4

The standby power usage is minimal at 0.5 Watt, contributing to energy efficiency when the device is idle.

Honeywell T5
Honeywell T5

The standby power usage is low at 1 Watt, minimizing energy consumption when idle.

Indicates power draw when idle.

The standby power usage on the T4 is lower which feels more efficient for my energy setup.

See more

Battery Life

How long does the battery last?

12 months 0 Votes
Honeywell T4
12 months 0 Votes
Honeywell T5

Honeywell T4
Honeywell T4

Battery life is approximately 12 months, meaning users can expect a full year of operation before battery replacement is needed.

Honeywell T5
Honeywell T5

The battery life is approximately 12 months, indicating typical performance without frequent replacements.

Estimates how long batteries last under normal use.

Power Failure Recovery

Does it recover after power failure?

Yes 0 Votes Honeywell T4

Yes 0 Votes Honeywell T5

Honeywell T4
Honeywell T4

Power failure recovery feature means the thermostat can restore settings and operation after losing power, avoiding manual resets.

Restores settings after outages.

Battery Type

What type of battery is used?

64 Honeywell T4 0 Votes AA

44 Honeywell T5 0 Votes AA

Specifies the battery format used.

Power Consumption

How much power does it consume?

1 Watt 0 Votes
Honeywell T4
3 Watt 0 Votes
Honeywell T5

Honeywell T4
Honeywell T4

The power consumption during operation is low at 1 Watt, which helps conserve energy.

Honeywell T5
Honeywell T5

Power consumption of 3 Watt during operation indicates the thermostat is energy efficient.

Measures power usage during operation.

Input Voltage

What input voltage is required?

24 Volt 0 Votes
Honeywell T4
24 Volt 0 Votes
Honeywell T5

Honeywell T4
Honeywell T4

Input voltage is 24 Volt, common for low-voltage HVAC control systems, ensuring broad compatibility.

Honeywell T5
Honeywell T5

The input voltage of 24 Volt aligns with typical low-voltage HVAC control systems for compatibility and safety.

Specifies required input voltage.

Power Frequency

What power frequency is supported?

50 Hz 0 Votes
Honeywell T4
60 Hz 0 Votes
Honeywell T5

Honeywell T4
Honeywell T4

The device is designed for a power frequency of 50 Hz, standard in many regions outside North America.

Honeywell T5
Honeywell T5

Power frequency of 60 Hz reflects standard electric supply frequencies in North America.

Indicates supported electrical frequency.

Battery Backup

Is there battery backup?

Yes 0 Votes Honeywell T4

Yes 0 Votes Honeywell T5

Honeywell T5
Honeywell T5

Battery backup ensures that thermostat settings and operations continue during power outages, enhancing reliability.

Maintains operation during power outages.

Energy Star Certified

Is it Energy Star certified?

Yes 0 Votes Honeywell T4

Yes 0 Votes Honeywell T5

Honeywell T5
Honeywell T5

Energy Star certification confirms the thermostat meets criteria for energy efficiency, supporting reduced operating costs.

Indicates energy efficiency certification.

Power Source

What is the power source?

34 Honeywell T4 0 Votes Battery

55 Honeywell T5 0 Votes Hybrid

Indicates how the thermostat receives power.

Operating Voltage Range

What voltage range can it operate in?

14 Honeywell T4 0 Votes 20–30 VAC

55 Honeywell T5 0 Votes 20-30 VAC

Describes acceptable voltage range.

Surge Protection

Is surge protection included?

No 0 Votes Honeywell T4

No 0 Votes Honeywell T5

Protects against electrical surges.

Safety, Compliance & Reliability 14

Overheat Protection

Is overheat protection included?

Yes 0 Votes Honeywell T4

Yes 0 Votes Honeywell T5

Honeywell T4
Honeywell T4

Overheat protection is built-in, enhancing safety by preventing the thermostat or connected systems from overheating.

Honeywell T5
Honeywell T5

Overheat protection safeguards the system and home by preventing the thermostat from causing excessive heating, enhancing safety and reliability.

Protects device from overheating.

Expected Lifespan

What is the expected lifespan?

10 years 0 Votes
Honeywell T4
10 years 0 Votes
Honeywell T5

Honeywell T4
Honeywell T4

The expected lifespan of the thermostat is approximately 10 years, indicating durable and reliable performance over a decade.

Honeywell T5
Honeywell T5

The expected lifespan of the thermostat is 10 years, indicating a durable and long-lasting product under normal usage conditions.

Estimates usable product lifespan.

Regulatory Compliance

What regulatory standards does it meet?

34 Honeywell T4 0 Votes FCC

94 Honeywell T5 0 Votes FCC

Indicates compliance with regulations.

Operating Humidity Range

What humidity range is supported?

64 Honeywell T4 0 Votes 5-90%

69 Honeywell T5 0 Votes 5-90%

Honeywell T4
Honeywell T4

The operating humidity range is from 5% to 90%, supporting use in a variety of indoor climates without performance issues.

Honeywell T5
Honeywell T5

The thermostat operates reliably within a humidity range of 5% to 90%, accommodating various indoor environments without performance degradation.

Specifies allowable humidity levels during operation.

Electrical Safety Certification

What electrical safety certifications does it have?

39 Honeywell T4 0 Votes UL, CSA

75 Honeywell T5 0 Votes UL

Honeywell T4
Honeywell T4

The thermostat has electrical safety certifications from both UL and CSA, indicating compliance with North American safety standards.

Honeywell T5
Honeywell T5

The thermostat holds UL electrical safety certification, confirming it meets recognized safety standards for electrical devices.

Lists electrical safety certifications.

EMC Compliance

Is it EMC compliant?

Yes 0 Votes Honeywell T4

Yes 0 Votes Honeywell T5

Honeywell T4
Honeywell T4

EMC compliance ensures the thermostat meets electromagnetic compatibility standards, minimizing interference with other devices.

Honeywell T5
Honeywell T5

EMC compliance ensures the thermostat meets electromagnetic compatibility standards, minimizing interference with other devices and maintaining proper function.

Indicates electromagnetic compatibility compliance.

Fail-Safe Mode

Does it have a fail-safe mode?

Yes 0 Votes Honeywell T4

Yes 0 Votes Honeywell T5

Honeywell T4
Honeywell T4

Fail-safe mode ensures the thermostat maintains functionality or safe settings even if faults or errors occur.

Honeywell T5
Honeywell T5

Fail-safe mode ensures the thermostat defaults to safe operating conditions in case of system faults, protecting equipment and comfort.

Ensures safe behavior during failure.

System Alerts

Does it provide system alerts?

Yes 0 Votes Honeywell T4

Yes 0 Votes Honeywell T5

Honeywell T4
Honeywell T4

System alerts are supported, providing notifications for maintenance needs or system status changes.

Honeywell T5
Honeywell T5

System alerts notify users of operational issues or maintenance needs, facilitating timely intervention and sustained performance.

Notifies users of system issues.

Maintenance Alerts

Are maintenance alerts provided?

Yes 0 Votes Honeywell T4

Yes 0 Votes Honeywell T5

Honeywell T4
Honeywell T4

Maintenance alerts help users keep HVAC systems running efficiently by prompting when servicing is needed.

Honeywell T5
Honeywell T5

Maintenance alerts notify users of required servicing or issues, helping avoid breakdowns and optimize performance.

Reminds users of maintenance needs.

Operating Temperature Range

What is the operating temperature range?

69 Honeywell T4 0 Votes 32-120°F

65 Honeywell T5 0 Votes 32-120°F

Honeywell T4
Honeywell T4

Operating temperature range is from 32°F to 120°F, which converts to approximately 0°C to 48.9°C. This range ensures reliable functionality under typical indoor environmental conditions.

Defines the ambient temperature range for safe operation.

Storage Temperature Range

What is the storage temperature range?

64 Honeywell T4 0 Votes -20-120°F

70 Honeywell T5 0 Votes -20-130°F

Honeywell T4
Honeywell T4

Storage temperature range spans from -20°F to 120°F, equivalent to about -28.9°C to 48.9°C, permitting safe storage in varied environments.

Indicates safe temperature range when not in use.

Warranty Length

How long is the warranty?

94 Honeywell T4 0 Votes 5 years

35 Honeywell T5 0 Votes 2 years

Honeywell T4
Honeywell T4

The warranty length is 5 years, offering extended protection against defects and malfunctions.

Indicates duration of warranty coverage.

Surveys

Because hot takes deserve votes.

Temperature Accuracy

How accurate is this thermostat at maintaining the set temperature during daily use?

Extremely accurate — Within plus or minus 0.5 degrees
0 Votes
Honeywell T4
0 Votes
Honeywell T5
Very accurate — Within plus or minus 1 degree
0 Votes
Honeywell T4
0 Votes
Honeywell T5
Decently accurate — Within plus or minus 2 degrees
0 Votes
Honeywell T4
0 Votes
Honeywell T5
Somewhat inconsistent — Within plus or minus 3 degrees
0 Votes
Honeywell T4
0 Votes
Honeywell T5
Very inconsistent — More than plus or minus 3 degrees
0 Votes
Honeywell T4
0 Votes
Honeywell T5

Response Speed to Temperature Changes

How quickly does this thermostat react after the temperature setting is adjusted?

Instant response — Under 30 seconds
0 Votes
Honeywell T4
0 Votes
Honeywell T5
Quick response — 30 seconds to 1 minute
0 Votes
Honeywell T4
0 Votes
Honeywell T5
Moderate response — 1 to 3 minutes
0 Votes
Honeywell T4
0 Votes
Honeywell T5
Slow response — 3 to 5 minutes
0 Votes
Honeywell T4
0 Votes
Honeywell T5
Very slow response — Over 5 minutes
0 Votes
Honeywell T4
0 Votes
Honeywell T5

Ease of Setup and Installation

How easy is it to install and set up this thermostat for the first time?

Super easy and stress free — Finished in under 15 minutes
0 Votes
Honeywell T4
0 Votes
Honeywell T5
Pretty straightforward — About 15 to 30 minutes
0 Votes
Honeywell T4
0 Votes
Honeywell T5
Manageable with effort — Around 30 to 60 minutes
0 Votes
Honeywell T4
0 Votes
Honeywell T5
Time consuming and confusing — 1 to 2 hours
0 Votes
Honeywell T4
0 Votes
Honeywell T5
Extremely frustrating — Over 2 hours
0 Votes
Honeywell T4
0 Votes
Honeywell T5

Ease of Daily Use

How easy is it to control and adjust this thermostat in everyday use?

Effortless and intuitive — No learning needed
0 Votes
Honeywell T4
0 Votes
Honeywell T5
Mostly easy to use — Minor learning curve
0 Votes
Honeywell T4
0 Votes
Honeywell T5
Usable but not smooth — Takes regular effort
0 Votes
Honeywell T4
0 Votes
Honeywell T5
Often confusing — Requires frequent checking
0 Votes
Honeywell T4
0 Votes
Honeywell T5
Hard to use — Causes daily frustration
0 Votes
Honeywell T4
0 Votes
Honeywell T5

Smart Features and App Experience

How well do the smart features and mobile app work with this thermostat?

Smooth and reliable — No crashes or delays
0 Votes
Honeywell T4
0 Votes
Honeywell T5
Mostly reliable — Rare glitches
0 Votes
Honeywell T4
0 Votes
Honeywell T5
Usable but basic — Limited features
0 Votes
Honeywell T4
0 Votes
Honeywell T5
Unreliable — Frequent bugs or delays
0 Votes
Honeywell T4
0 Votes
Honeywell T5
Barely usable — Often fails to work
0 Votes
Honeywell T4
0 Votes
Honeywell T5

Energy Efficiency and Savings

How much does this thermostat help reduce energy usage over time?

Major savings — Over 20 percent reduction
0 Votes
Honeywell T4
0 Votes
Honeywell T5
Noticeable savings — 10 to 20 percent
0 Votes
Honeywell T4
0 Votes
Honeywell T5
Some savings — 5 to 10 percent
0 Votes
Honeywell T4
0 Votes
Honeywell T5
Minimal savings — Under 5 percent
0 Votes
Honeywell T4
0 Votes
Honeywell T5
No savings — No noticeable reduction
0 Votes
Honeywell T4
0 Votes
Honeywell T5

Noise Level During Operation

How noticeable is the noise from this thermostat during normal operation?

Completely silent — No audible sound
0 Votes
Honeywell T4
0 Votes
Honeywell T5
Very quiet — Barely noticeable
0 Votes
Honeywell T4
0 Votes
Honeywell T5
Occasionally noticeable — Soft clicking sounds
0 Votes
Honeywell T4
0 Votes
Honeywell T5
Often noticeable — Clearly audible sounds
0 Votes
Honeywell T4
0 Votes
Honeywell T5
Annoyingly loud — Distracting noise
0 Votes
Honeywell T4
0 Votes
Honeywell T5

Design and Display Appeal

How appealing is the look and display of this thermostat in a home environment?

Modern and premium — Looks high end
0 Votes
Honeywell T4
0 Votes
Honeywell T5
Clean and stylish — Fits most interiors
0 Votes
Honeywell T4
0 Votes
Honeywell T5
Simple and acceptable — Nothing special
0 Votes
Honeywell T4
0 Votes
Honeywell T5
Outdated design — Feels old fashioned
0 Votes
Honeywell T4
0 Votes
Honeywell T5
Unattractive look — Stands out poorly
0 Votes
Honeywell T4
0 Votes
Honeywell T5

Durability and Build Quality

How durable does this thermostat feel with long term everyday use?

Very durable — Expected to last 10 years or more
0 Votes
Honeywell T4
0 Votes
Honeywell T5
Solid build — Around 7 to 10 years
0 Votes
Honeywell T4
0 Votes
Honeywell T5
Average quality — About 5 to 7 years
0 Votes
Honeywell T4
0 Votes
Honeywell T5
Feels fragile — Roughly 3 to 5 years
0 Votes
Honeywell T4
0 Votes
Honeywell T5
Very flimsy — Under 3 years
0 Votes
Honeywell T4
0 Votes
Honeywell T5

Pricing and Value

How does the price of this thermostat feel compared to its overall features and performance?

Great value for money — Worth every dollar
0 Votes
Honeywell T4
0 Votes
Honeywell T5
Pretty good price — Slightly above average
0 Votes
Honeywell T4
0 Votes
Honeywell T5
Fair deal — Matches what you get
0 Votes
Honeywell T4
0 Votes
Honeywell T5
Kinda pricey — Costs more than expected
0 Votes
Honeywell T4
0 Votes
Honeywell T5
Crazy expensive — Not worth the price
0 Votes
Honeywell T4
0 Votes
Honeywell T5

Reviews 0

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Average Rating

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Honeywell
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Honeywell T4
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Honeywell
Honeywell T5
Honeywell T5
0 / 5 0 Reviews

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Awards 0

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