The short version: Decdeal sells a range of Tuya-based Wi-Fi thermostats for boiler, underfloor, and general electric heating. We found scattered user feedback for similarly branded Decdeal boiler and floor-heating thermostats on European Amazon marketplaces, but nothing specific to the model sold on Amazon.ca — so treat this as unverified for the Canadian listing and reviewed on specs.

Who It’s For

Canadian buyers with a boiler or underfloor heating setup who want the cheapest workable Wi-Fi thermostat and accept that the review data available doesn’t clearly map to the exact model sold here.

It’s not a fit if you want verified reliability data, a provincial rebate, or a brand with retail presence in Canada.

Setup & Compatibility

  • C-wire: Requirements vary by the specific Decdeal model — confirm the exact wiring diagram against your system before ordering.
  • System compatibility: Decdeal’s catalog leans toward boiler and floor/underfloor heating, though general electric heating variants exist. Match the specific listing to your system, since the brand sells several non-interchangeable models.
  • App setup: Pairs through the Tuya/Smart Life app over 2.4GHz Wi-Fi, then links to Alexa or Google Assistant separately.

App & Ecosystem

Scheduling, remote control, and Alexa/Google Assistant voice control are supported. No confirmed HomeKit, Matter, or Hilo/Neviweb integration. Feedback on similarly branded Decdeal boiler thermostats sold in Europe mentions the app not showing real-time boiler status — unconfirmed for the Canadian listing.

Price & Value

Decdeal Wi-Fi Smart Thermostat
Price (CAD) ~$25–50
Where sold Amazon.ca (third-party sellers)
Warranty Varies by seller — check the listing before buying
Subscription required No

No confirmed ENERGY STAR Canada certification, so provincial rebates are unlikely — see Smart Thermostat Rebates in Canada by Province.

Pros & Cons

Pros:
– Low price in CAD
– Purpose-built variants exist for boiler and underfloor heating
– Basic scheduling and voice control as advertised

Cons:
– No independent reviews confirmed for the exact model sold on Amazon.ca
– Overlapping product line makes it easy to order the wrong variant
– No confirmed ENERGY STAR Canada certification
– Not sold through major Canadian retailers

The Recommendation

Buy the Decdeal Wi-Fi Smart Thermostat if you have a boiler or underfloor system and want the cheapest workable option, after confirming the exact variant matches your setup. For a more established boiler-focused alternative with real independent review coverage, Netatmo or Tado are better documented.

A note on sourcing: We found user feedback on similarly branded Decdeal thermostats sold in Europe, but nothing confirmed for this Canadian listing. This review reflects manufacturer specs and category-typical behavior rather than verified testing of this exact model.

Frequently Asked Questions

Does the Decdeal thermostat qualify for a Canadian rebate?
Unlikely — no confirmed ENERGY STAR Canada certification was found. See Smart Thermostat Rebates in Canada by Province.

Does the Decdeal thermostat work with a boiler?
Decdeal sells boiler-specific variants alongside general electric and underfloor models. Confirm you’re ordering the right one.

Where can I buy the Decdeal thermostat in Canada?
Amazon.ca, through third-party sellers only.