Honeywell Home T5From real comments

Verdict distilled from 28 mentions across 12 aspects in comments under product review videos.

Positive sentiment19%
PROS 19%
CONS 81%

Rank based on 28 mentions across 12 aspects

View the verdict as

Buy this if...

  • You're comfortable following a video tutorial or app-based setup instead of relying on the included manual
  • You want touchscreen control paired with the Resideo app
  • You mainly need basic schedule and manual override functionality

What users love

Skip this if...

  • You want a plug-and-play thermostat with no configuration hassle
  • You need accurate built-in temperature reading without calibration concerns
  • You already use the Honeywell Home app and don't want to switch to Resideo

What users complain about

Compare in seconds

Based on user comments

Best choice
1Mid
Helpful installation videosRoom sensor priority switchingHome automation integrationSensor pairing failuresNo Apple HomeKit supportHardware and display defects
Helpful installation videos
Room sensor priority switching
Home automation integration
Sensor pairing failures
No Apple HomeKit support
Hardware and display defects
2Mid
Fixable Connector IssuesCommunity Setup Guidance HelpfulAdjustable Temperature GraphsFrequent WiFi Connection Lost ErrorsLoose Internal HardwareConfusing Initial Setup
Fixable Connector Issues
Community Setup Guidance Helpful
Adjustable Temperature Graphs
Frequent WiFi Connection Lost Errors
Loose Internal Hardware
Confusing Initial Setup
3Budget
Strong Home Assistant / Zigbee integrationAffordable price and valueQuiet operation for some usersOnly on/off valve control, no position modulationNoise complaints from many unitsNo external sensor pairing or temperature offset
Strong Home Assistant / Zigbee integration
Affordable price and value
Quiet operation for some users
Only on/off valve control, no position modulation
Noise complaints from many units
No external sensor pairing or temperature offset
4Mid
Easy DIY installation with video guidanceGood value at discount pricingConvenient WiFi and app controlConfusing wiring for non-standard setupsC-wire dependency causes installation headachesFan won't shut off properly
Easy DIY installation with video guidance
Good value at discount pricing
Convenient WiFi and app control
Confusing wiring for non-standard setups
C-wire dependency causes installation headaches
Fan won't shut off properly
5Mid
Straightforward Wi-Fi thermostat installationApp-based remote temperature controlAutomatic heat/cool changeover availableDifficulty setting up Wi-Fi and finding CRC codeInconsistent HVAC controlWi-Fi connectivity and 'offline' issues
Straightforward Wi-Fi thermostat installation
App-based remote temperature control
Automatic heat/cool changeover available
Difficulty setting up Wi-Fi and finding CRC code
Inconsistent HVAC control
Wi-Fi connectivity and 'offline' issues
6
Factory reset recovers stuck unitsHelps catch tampering or misconfigurationSimple once configured correctlyLockout and other settings hard to locateConfusing system-type configurationWi-Fi and screen reliability issues
Factory reset recovers stuck units
Helps catch tampering or misconfiguration
Simple once configured correctly
Lockout and other settings hard to locate
Confusing system-type configuration
Wi-Fi and screen reliability issues
7Mid
Effective once properly configuredAdjustable via ISU advanced settings7-day programmable schedulingConfusing setup and poor manualCycling and fan running issuesTemperature control and sensor problems
Effective once properly configured
Adjustable via ISU advanced settings
7-day programmable scheduling
Confusing setup and poor manual
Cycling and fan running issues
Temperature control and sensor problems
8Premium
Easy InstallationGood Value with DiscountsAttractive, Well-Built DesignWiring and Compatibility ConfusionUnreliable Software and SchedulingDiscontinued Support for Older Generations
Easy Installation
Good Value with Discounts
Attractive, Well-Built Design
Wiring and Compatibility Confusion
Unreliable Software and Scheduling
Discontinued Support for Older Generations
9Budget
Affordable priceEasy Home Assistant/Zigbee integrationAdaptive mode improves quiet operation and efficiencyOn/off-only valve controlMotor noise during operationConnectivity and pairing issues
Affordable price
Easy Home Assistant/Zigbee integration
Adaptive mode improves quiet operation and efficiency
On/off-only valve control
Motor noise during operation
Connectivity and pairing issues
10Mid
Helpful once understoodFlexible scheduling conceptReset resolves some display/mode glitchesConfusing wiring for heat pump/aux systemsConfusing programming/schedule logicShort-cycling behavior
Helpful once understood
Flexible scheduling concept
Reset resolves some display/mode glitches
Confusing wiring for heat pump/aux systems
Confusing programming/schedule logic
Short-cycling behavior
You are here
14
Honeywell Home T5
Easy once properly set upFunctions without Wi-FiManual override and advanced programming availableConfusing setup and schedulingMode stuck on heat, can't switch to coolDisplay failures over time
Honeywell Home T5
Easy once properly set up
Functions without Wi-Fi
Manual override and advanced programming available
Confusing setup and scheduling
Mode stuck on heat, can't switch to cool
Display failures over time

Who wins on what

Ranked by what users actually praise

Overall Impression

Setup is the biggest hurdle for many owners. Several users found the initial configuration confusing, describing unclear 'inactive' schedule settings, difficulty finding the right heat pump code, and mode-switching options limited to just heat or off. One user spent 38 minutes trying to program it without success, and another called it too complicated to operate 'unless you are a computer programmer.' Others, however, said a tutorial video made setup easy and praised the Resideo app once they understood the menus.

Functional bugs plague a notable share of installs. Multiple commenters reported the thermostat stuck on heat mode even when set to cool, reversed heating and cooling output, a 'HELLO' screen blocking setup entirely, and units short cycling every 10-15 minutes. Others described the display becoming erratic, missing lines, or going completely blank over time. These reports suggest inconsistent quality control or installation-sensitive faults rather than a single universal defect.

Temperature accuracy and app ecosystem raise concerns. Several users asked how to calibrate the thermostat because the displayed temperature differed noticeably from the true room temperature, with no clear built-in offset option mentioned. Separately, one reviewer was surprised to learn the T5 requires the Resideo app rather than the Honeywell Home app, calling it inconvenient when managing multiple thermostats. These issues point to friction in both hardware calibration and software integration.

Outdated / Not-accurate data?