The breakdown
Eligible brands and models
ecobee Smart Thermostat (voice, Premium, Enhanced, Essential, 3 lite)
Google Nest Learning Thermostat (3rd/4th gen), Nest Thermostat, Nest Thermostat E
Honeywell Home T9, T5 Gen2, X2S, X8S
Copeland Sensi Touch, Touch 2, Sensi, Sensi Lite
Mysa Smart Thermostat
Sinopé Smart Thermostat Lite / Pro Lite / Pro
No official pricing is posted for these models — check current retail pricing before you buy. Compare brands in our full thermostat comparison →
How to claim it
- Before buying: apply for the $100 instant rebate through the program portal, then purchase at a participating retailer
- After buying: purchase any eligible model, then submit your receipt for a $100 mail-in rebate
Get an exact number: Fill out our free assessment tool to see your Cambridge-specific rebate amount.
Run your free assessment →
Next steps
View all Cambridge rebate programs → or check the official Home Renovation Savings Program site → for the current source of truth.