Categories

5 Best Honeywell Thermostat Cm927 Replacement of 2026

Last updated on 04/04/2026
Advertising disclosure
Advertising disclosure
Most Relevant
Most Relevant
Best Discount
Lowest Price
Best Choice
1
Honeywel T4R Wireless 7 Day Programmable Thermostat Y4H910RF4003 (Replaces ‎CM927 CMS927 CM921 CMS921 CM727 CM721) Genuine Part - Hanicks
thumbnail 1
thumbnail 2
thumbnail 3

Honeywel T4R Wireless 7 Day Programmable Thermostat Y4H910RF4003 (Replaces ‎CM927 CMS927 CM921 CMS921 CM727 CM721) Genuine Part - Hanicks

Hanicks
2,699 shoppers chose this in the past week
9.9
Exceptional
More Details
Honeywel T4R Wireless 7 Day Programmable Thermostat Y4H910RF4003 (Replaces ‎CM927 CMS927 CM921 CMS921 CM727 CM721) Genuine Part - Hanicks
9.9
Exceptional
Hanicks

Honeywel T4R Wireless 7 Day Programmable Thermostat Y4H910RF4003 (Replaces ‎CM927 CMS927 CM921 CMS921 CM727 CM721) Genuine Part - Hanicks

2,699 shoppers chose this in the past week
Best Value
2
Honeywell Home T6 Wired Smart Thermostat - Black - Touchscreen Heating Control with Geofencing, Alexa, Apple & Google - 868 MHZ - Easy Install & App Setup for Combi Boiler & More - CM907 Replacement
thumbnail 1
thumbnail 2
thumbnail 3
thumbnail 4

Honeywell Home T6 Wired Smart Thermostat - Black - Touchscreen Heating Control with Geofencing, Alexa, Apple & Google - 868 MHZ - Easy Install & App Setup for Combi Boiler & More - CM907 Replacement

Honeywell Home
9.7
Exceptional
More Details
Honeywell Home T6 Wired Smart Thermostat - Black - Touchscreen Heating Control with Geofencing, Alexa, Apple & Google - 868 MHZ - Easy Install & App Setup for Combi Boiler & More - CM907 Replacement
9.7
Exceptional
Honeywell Home

Honeywell Home T6 Wired Smart Thermostat - Black - Touchscreen Heating Control with Geofencing, Alexa, Apple & Google - 868 MHZ - Easy Install & App Setup for Combi Boiler & More - CM907 Replacement

3
Honeywell Home Thermostat ST9400C1000

Honeywell Home Thermostat ST9400C1000

Honeywell Home
9.6
Superb
More Details
Honeywell Home Thermostat ST9400C1000
9.6
Superb
Honeywell Home

Honeywell Home Thermostat ST9400C1000

4
Honeywell-Resideo Totalhome CM927 CM921 CM727 CM721 CMS927 CMS927B1049 (Mk 3 Replacement) Wireless Room Thermostat & Receiver TTHWFP - Hanicks
thumbnail 1
thumbnail 2
thumbnail 3
thumbnail 4

Honeywell-Resideo Totalhome CM927 CM921 CM727 CM721 CMS927 CMS927B1049 (Mk 3 Replacement) Wireless Room Thermostat & Receiver TTHWFP - Hanicks

Hanicks
9.4
Superb
More Details
Honeywell-Resideo Totalhome CM927 CM921 CM727 CM721 CMS927 CMS927B1049 (Mk 3 Replacement) Wireless Room Thermostat & Receiver TTHWFP - Hanicks
9.4
Superb
Hanicks

Honeywell-Resideo Totalhome CM927 CM921 CM727 CM721 CMS927 CMS927B1049 (Mk 3 Replacement) Wireless Room Thermostat & Receiver TTHWFP - Hanicks

5
Adept-Honeywell Wireless Programmable Thermostat Replacement for CM927 CM921 CM727 CM721 CMS927B1049 with Relay Box Central Heating Programmer - White
thumbnail 1
thumbnail 2
thumbnail 3
thumbnail 4

Adept-Honeywell Wireless Programmable Thermostat Replacement for CM927 CM921 CM727 CM721 CMS927B1049 with Relay Box Central Heating Programmer - White

Adept Technology
9.3
Superb
More Details
Adept-Honeywell Wireless Programmable Thermostat Replacement for CM927 CM921 CM727 CM721 CMS927B1049 with Relay Box Central Heating Programmer - White
9.3
Superb
Adept Technology

Adept-Honeywell Wireless Programmable Thermostat Replacement for CM927 CM921 CM727 CM721 CMS927B1049 with Relay Box Central Heating Programmer - White

You may also like

33%OFF
TotalHome - Wireless Room Thermostat & Receiver (Honeywell/Resideo) CM927 CM921 CM727 CM721 CMS927 CMS927B1049 (Mk2 Replacement) (TTHWFP)

TotalHome - Wireless Room Thermostat & Receiver (Honeywell/Resideo) CM927 CM921 CM727 CM721 CMS927 CMS927B1049 (Mk2 Replacement) (TTHWFP)

TOTALHOME - TotalHome - Wireless Room Thermostat & Receiver (H...

£64.99
LavaTap Pro Honeywell Wireless Programmable Thermostat CM927 CM921 CM727 Replacement 7 Day Central Heating Programmer Boiler Plus Compliant White Standard

LavaTap Pro Honeywell Wireless Programmable Thermostat CM927 CM921 CM727 Replacement 7 Day Central Heating Programmer Boiler Plus Compliant White Standard

LAVATAP - LavaTap Pro Honeywell Wireless Programmable Thermo...

£79.99
Hanicks Honeywell-Resideo TotalHome CM927 CM921 CM727 CM721 CMS927 CMS927B1049 (Mk3 Replacement) Wireless Room Thermostat & Receiver Kit TTHWFP

Hanicks Honeywell-Resideo TotalHome CM927 CM921 CM727 CM721 CMS927 CMS927B1049 (Mk3 Replacement) Wireless Room Thermostat & Receiver Kit TTHWFP

HANICKS - Hanicks Honeywell-Resideo TotalHome CM927 CM921 CM...

£89
Plumbhub-Wireless Programmable Thermostat Replacement for CM927 CM921 CM727 CM721 CMS927B1049 with Relay Box Central Heating Programmer - White

Plumbhub-Wireless Programmable Thermostat Replacement for CM927 CM921 CM727 CM721 CMS927B1049 with Relay Box Central Heating Programmer - White

PLUMBHUB-WIRELESS - Plumbhub-Wireless Programmable Thermostat Replacem...

£77.76
3%OFF
Honeywell Home T3R Wireless Smart Thermostat Kit - 7-Day Programmable Wall Thermostat with Intuitive Controls - 868 MHZ - Large Backlit Display, Flexible Scheduling & Compatibility

Honeywell Home T3R Wireless Smart Thermostat Kit - 7-Day Programmable Wall Thermostat with Intuitive Controls - 868 MHZ - Large Backlit Display, Flexible Scheduling & Compatibility

HONEYWELL - Honeywell Home T3R Wireless Smart Thermostat Kit -...

£73
LavaTap Pro Honeywell Wired Programmable Thermostat CM907 CM901 CM707 CM701 Replacement Central Heating 7 Day Programmer Boiler Plus Compliant

LavaTap Pro Honeywell Wired Programmable Thermostat CM907 CM901 CM707 CM701 Replacement Central Heating 7 Day Programmer Boiler Plus Compliant

LAVATAP - LavaTap Pro Honeywell Wired Programmable Thermosta...

£59.99
Honeywell-Resideo Totalhome CM907 CM901 CM707 CM701 CMT907A1041 CMT701A1014 CMT707A1029 CMT901A1044 (Mk2 Replacement) Wired Room Thermostat TTHWP – Hanicks

Honeywell-Resideo Totalhome CM907 CM901 CM707 CM701 CMT907A1041 CMT701A1014 CMT707A1029 CMT901A1044 (Mk2 Replacement) Wired Room Thermostat TTHWP – Hanicks

HONEYWELL-RESIDEO - Honeywell-Resideo Totalhome CM907 CM901 CM707 CM70...

£64.5
Honeywell T3R Y3H710RF0053 Wireless Thermostat 7 Day Programmable & Receiver

Honeywell T3R Y3H710RF0053 Wireless Thermostat 7 Day Programmable & Receiver

HONEYWELL - Honeywell T3R Y3H710RF0053 Wireless Thermostat 7 D...

£69.99
Honeywell Home Programmable Room Thermostat Replacement with Eco Button for Energy Saving and Intelligent Heating Control

Honeywell Home Programmable Room Thermostat Replacement with Eco Button for Energy Saving and Intelligent Heating Control

HONEYWELL - Honeywell Home Programmable Room Thermostat Replac...

£60
3%OFF
Honeywell T4H110A1021 T4 7 Day Programmable Thermostat - White

Honeywell T4H110A1021 T4 7 Day Programmable Thermostat - White

HONEYWELL - Honeywell T4H110A1021 T4 7 Day Programmable Thermo...

£76.28
Hanicks Honeywell-Resideo DT92E1000 Wireless Digital Room Thermostat & Receiver Direct Replacement for DT92 DT92E DTS92E1020

Hanicks Honeywell-Resideo DT92E1000 Wireless Digital Room Thermostat & Receiver Direct Replacement for DT92 DT92E DTS92E1020

HANICKS - Hanicks Honeywell-Resideo DT92E1000 Wireless Digit...

£94
Honeywell Home THR840DEU DT2 Thermostat, White

Honeywell Home THR840DEU DT2 Thermostat, White

HONEYWELL - Honeywell Home THR840DEU DT2 Thermostat, White...

£54.98
LavaTap Pro Wireless Room Thermostat - Direct Replacement for Honeywell DT92, DT92E, DT92E1000 Digital Thermostat - Works With BDR91 Receiver

LavaTap Pro Wireless Room Thermostat - Direct Replacement for Honeywell DT92, DT92E, DT92E1000 Digital Thermostat - Works With BDR91 Receiver

LAVATAP - LavaTap Pro Wireless Room Thermostat - Direct Repl...

£79.99
Honeywell Home DT3 Wired Thermostat for Heating Control with Energy Efficient LED, No WiFi or App Required (White)

Honeywell Home DT3 Wired Thermostat for Heating Control with Energy Efficient LED, No WiFi or App Required (White)

HONEYWELL - Honeywell Home DT3 Wired Thermostat for Heating Co...

£61.58
6%OFF
Central Heating Room Thermostat for Honeywell T6360B TC-RSTATL Mechanical Adjustable Dial Stat with Neon indicator Boiler Wall 2 Wire Thermostats Control Panel Replacement Energy Saving

Central Heating Room Thermostat for Honeywell T6360B TC-RSTATL Mechanical Adjustable Dial Stat with Neon indicator Boiler Wall 2 Wire Thermostats Control Panel Replacement Energy Saving

CENTRAL - Central Heating Room Thermostat for Honeywell T636...

£11.99
✓We scanned 250 productsVerified
Expert Analysis & Real Customer Insights
🔍
Comprehensive Research
We reviewed the most relevant Honeywell Thermostat Cm927 Replacement offers across Amazon and leading retailers, covering major brands and models. Our shortlist features trusted names like Hanicks, Honeywell Home, Adept Technology, known for dependable quality and smart design.
⭐
Customer Validated
To determine today's best Honeywell Thermostat Cm927 Replacement, we analysed 1251 real customer and expert reviews, focusing on satisfaction, real-world performance and long-term reliability. We also weigh each review's relevance, authenticity and freshness for a fair comparison.

What we concluded:

Our Top Picks Based on Extensive Testing & Analysis

⭐✨⭐✨
2💎
Honeywell Home T6 Wired Smart Thermostat - Black - Touchscreen Heating Control with Geofencing, Alexa, Apple & Google - 868 MHZ - Easy Install & App Setup for Combi Boiler & More - CM907 Replacement
Best Value

The best value for most shoppers is Honeywell Home T6 Wired Smart Thermostat - Black - Touchscreen Heating Control with Geofencing, Alexa, Apple & Google - 868 MHZ - Easy Install & App Setup for Combi Boiler & More - CM907 Replacement by Honeywell Home, with consistently high satisfaction across expert and customer reviews.

2nd
👑
1🏆
Honeywel T4R Wireless 7 Day Programmable Thermostat Y4H910RF4003 (Replaces ‎CM927 CMS927 CM921 CMS921 CM727 CM721) Genuine Part - Hanicks
#1

Our overall winner is Honeywel T4R Wireless 7 Day Programmable Thermostat Y4H910RF4003 (Replaces ‎CM927 CMS927 CM921 CMS921 CM727 CM721) Genuine Part - Hanicks by Hanicks. It stands out for the right balance of quality, performance and value.

✨ What sets it apart:
✓Programmable for personalized comfort.
✓Easy wireless setup and installation.
✓Energy efficiency for lower bills.
1st
3💰
Adept-Honeywell Wireless Programmable Thermostat Replacement for CM927 CM921 CM727 CM721 CMS927B1049 with Relay Box Central Heating Programmer - White
Best Deal

The strongest deal right now for Honeywell Thermostat Cm927 Replacement is Adept-Honeywell Wireless Programmable Thermostat Replacement for CM927 CM921 CM727 CM721 CMS927B1049 with Relay Box Central Heating Programmer - White at Adept Technology, currently at % off.

3rd
🔄Live Data
Our Honeywell Thermostat Cm927 Replacement ranking is updated regularly to reflect new releases and price changes—check back for the latest picks and deals.
✓Real-time pricing✓Verified reviews