The short version: Lonsonho is a China-based manufacturer that sells directly through its own site and through Amazon third-party listings, with a catalog that includes Wi-Fi thermostats, Zigbee radiator valves, and boiler thermostats, all built on the Tuya ecosystem. It’s a budget option with basic scheduling and voice control. We found no independent professional reviews or verified owner feedback for this specific model — the manufacturer’s own site is essentially the only source of product detail.

Who It’s For

Buyers who want the cheapest workable Wi-Fi thermostat for electric or floor heating and are comfortable buying direct from a manufacturer storefront rather than an established retail brand. Lonsonho also sells boiler-specific and Zigbee variants, so check carefully which product you’re actually ordering.

It’s not the right choice if you want independent testing, proven reliability, or a thermostat with rebate eligibility.

Setup & Compatibility

  • C-wire: Requirements vary by the specific Lonsonho model — the brand sells several thermostat types (Wi-Fi, RF, Zigbee) that aren’t interchangeable. Confirm the exact wiring diagram before ordering.
  • System compatibility: Marketed for electric heating and floor/underfloor systems; a separate boiler-focused RF model exists for wall-hung boilers. Match the listing to your actual heating system, not just the brand name.
  • App setup: Pairs through the Tuya/Smart Life app over 2.4GHz Wi-Fi, then links to Alexa or Google Assistant separately. Lonsonho also has ties to the eWeLink ecosystem for some products.

App & Ecosystem

Scheduling, remote control, and Alexa/Google Assistant voice control are the standard feature set. No confirmed HomeKit or Matter support. Lonsonho advertises a 30-day return window direct from its own site, which is a modest reassurance not typical of pure marketplace-only brands.

Price & Value

Lonsonho Smart Wi-Fi Thermostat
Price (USD) ~$20–45
Where sold Amazon.com (third-party sellers)
Warranty Varies by seller — check the listing before buying
Subscription required No

No confirmed ENERGY STAR certification, so don’t count on rebate eligibility — see Smart Thermostat Rebate by State.

Pros & Cons

Pros:
– Low price
– Multiple thermostat types available (Wi-Fi, RF for boilers, Zigbee radiator valves) if you shop the brand’s full catalog
– Manufacturer offers a direct 30-day return policy on its own site

Cons:
– No independent reviews or verified owner feedback found for this specific model
– Overlapping product line makes it easy to order the wrong variant for your heating system
– No confirmed ENERGY STAR certification
– Marketplace listings shift sellers and specs over time

The Recommendation

Buy the Lonsonho Smart Wi-Fi Thermostat if you want the cheapest workable option and you’ve double-checked the exact model matches your heating system. Otherwise, an Amazon Smart Thermostat or Wyze Thermostat offers a similar price with more independent review coverage.

A note on sourcing: No professional reviews or meaningful owner feedback were found. This review reflects manufacturer specifications and typical behavior for this product category.

Frequently Asked Questions

Does the Lonsonho thermostat work with a wall-hung boiler?
Lonsonho sells a separate RF thermostat specifically for wall-hung boilers, distinct from the standard Wi-Fi model. Confirm you’re ordering the right variant.

Is the Lonsonho thermostat ENERGY STAR certified?
No confirmed certification was found, so it’s unlikely to qualify for utility rebates.

Does it work with Alexa and Google Assistant?
Yes, through the Tuya/Smart Life app connection. HomeKit and Matter support are not confirmed.