Comparison numbers

25 Products researched
7 Research hours
320 Readers
58,276 Customer ratings

Best Thermostats

Thermostat Comparison 2026

smart thermostat
smart thermostat
 home thermometer
home thermometer
 thermostat
thermostat
 radiator thermostat
radiator thermostat
Sort & Filter
Best Product
KETOTEK thermostat
KETOTEK thermostat
Amazon
SALUS RT510RF
SALUS RT510RF
Amazon
Bestseller
Speedo thermostat
Speedo thermostat
Amazon
ESI Esrtp4+
ESI Esrtp4+
Amazon
Honeywell RTH221B
Honeywell RTH221B
Amazon
Best Price
COMPUTHERM thermostat
COMPUTHERM thermostat
Amazon
EBERLE RTR-E 3502
EBERLE RTR-E 3502
Amazon
RatingHow we compare
Customer rating (from Amazon)
Available at
Manufacturer
Dimensions
Operating voltage
Weekly program
Shipping (Amazon)
Best Product
Best Product
AmazonKETOTEK thermostat
Rating
Excellent01/2025

1

KETOTEK thermostat
Customer rating
Amazon2,186 reviews
Check Price
Available at
44,99 £
see vendordays00£
see vendordays
Manufacturer
Dimensions
1,6 x 3,4 x 3,4 in
Operating voltage
240 V
Weekly program
Shipping (Amazon)
see vendor
Check Price
AmazonSALUS RT510RF
Rating
Excellent01/2025

2

SALUS RT510RF
Customer rating
Amazon2,407 reviews
Check Price
Available at
39,89 £
see vendordays
39,79 £
see vendordays3.753.75£
52,76 £
see vendordays00£
Manufacturer
SALUS
Dimensions
1,2 x 3,9 x 3,9 in
Operating voltage
Weekly program
Shipping (Amazon)
see vendor
Check Price
Bestseller
Bestseller
AmazonSpeedo thermostat
Rating
Excellent05/2025

3

Speedo thermostat
Customer rating
Amazon2,418 reviews
Check Price
Available at
299,95 £
see vendordays00£
389,14 £
see vendordays00£
Manufacturer
Speedo
Dimensions
2 x 3,9 x 5,9 in
Operating voltage
4,5 V
Weekly program
Shipping (Amazon)
see vendor
Check Price
AmazonESI Esrtp4+
Rating
Excellent05/2025

4

ESI Esrtp4+
Customer rating
Amazon778 reviews
Check Price
Available at
68,44 £
see vendordays00£
52,70 £
see vendordays2.942.94£
Manufacturer
ESI
Dimensions
2,5 x 5,8 x 9,2 in
Operating voltage
Weekly program
Shipping (Amazon)
see vendor
Check Price
AmazonHoneywell RTH221B
Rating
Excellent05/2025

5

Honeywell RTH221B
Customer rating
Amazon7,051 reviews
Check Price
Available at
42,46 £
see vendordays
see vendordays
Manufacturer
Honeywell
Dimensions
Operating voltage
240 V
Weekly program
Shipping (Amazon)
see vendor
Check Price
Best Price
Best Price
AmazonCOMPUTHERM thermostat
Rating
Excellent01/2025

6

COMPUTHERM thermostat
Customer rating
Amazon656 reviews
Check Price
Available at
29,50 £
see vendordays00£
see vendordays
Manufacturer
Dimensions
1,6 x 3,9 x 5,5 in
Operating voltage
24 V
Weekly program
Shipping (Amazon)
see vendor
Check Price
AmazonEBERLE RTR-E 3502
Rating
Good01/2025

7

EBERLE RTR-E 3502
Customer rating
Amazonno reviews
Check Price
Available at
36,49 £
see vendordays00£
43,06 £
see vendordays00£
42,02 £
3 daysdays00£
Manufacturer
EBERLE
Dimensions
1,1 x 3 x 3 in
Operating voltage
230 V
Weekly program
Shipping (Amazon)
3 days
Check Price

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