The short version: This one needs an upfront correction. Cadet is a widely available electric-heat brand, but it does not sell a first-party Wi-Fi app-connected thermostat as a flagship product the way Mysa or King Electric do. In fact, Cadet’s own published guidance recommends against pairing generic smart/Wi-Fi thermostats with its baseboard and wall heaters, citing power-relay reliability concerns, and instead points customers to its non-connected TEP Series electronic programmable thermostat. If you want genuine Wi-Fi control on Cadet baseboard heat, you’re generally looking at a third-party thermostat rated for Cadet’s wiring, not a Cadet-branded app.

Who It’s For

Cadet baseboard, wall, and fan-forced heaters are common in US homes, especially in the Northeast and Pacific Northwest. If you already own Cadet heaters and want smart/Wi-Fi control, this review exists to save you time: check compatible third-party thermostats (Mysa, King Electric’s Hoot line) rated for your Cadet heater’s wattage and wiring, rather than searching for a Cadet-branded smart thermostat that, as far as we can confirm, doesn’t currently exist as a mainstream retail product.

What Cadet Actually Sells

Cadet’s confirmed line-voltage thermostat lineup centers on the TEP Series (electronic, programmable, no app) and older mechanical models like the T521-W. According to Cadet’s own published article on the topic, the company tested pairing Wi-Fi thermostats (including Lyric and Nest) with its heaters via industry-standard relays and found the relays didn’t supply consistent enough power for long-term reliability, with a risk of draining the smart thermostat’s internal battery over time. Cadet’s stated recommendation, in its own words, is that an electronic programmable thermostat is a better match for its heaters than a smart Wi-Fi one.

That’s a genuinely useful data point if you’re shopping this category, and it’s the kind of thing we’d rather tell you directly than paper over with a generic feature list.

Setup & Compatibility

The TEP Series and similar Cadet electronic thermostats wire directly into the baseboard or wall-heater circuit, no C-wire, no hub, no app. If you’re set on Wi-Fi control anyway, look for a third-party smart thermostat explicitly rated for your Cadet heater’s amperage and wiring configuration (single-pole vs. double-pole, 2-wire vs. 4-wire) rather than assuming universal compatibility.

Price & Value

Cadet Electronic Thermostat (TEP Series)
Price (USD) $70–$130
Wi-Fi/app Not confirmed as a Cadet-branded feature
Retailers Home Depot, Amazon.com

Pricing sits in line with other electric-heat brands’ programmable (non-smart) thermostats. If genuine app control matters to you, budget for a compatible third-party thermostat instead.

Pros & Cons

Pros:
– Widely available at Home Depot and on Amazon
– TEP Series electronic thermostats are a straightforward, well-documented upgrade from mechanical dial thermostats
– Cadet’s own published guidance on smart-thermostat compatibility is unusually direct and useful for buyers

Cons:
– No confirmed first-party Wi-Fi/app-connected thermostat
– Cadet itself recommends against pairing generic smart thermostats with its heaters over relay reliability concerns
– If you want app control, you’ll need to research third-party compatibility yourself

Electric baseboard thermostats compared: Cadet TEP Series, King Electric Hoot, Mysa

The Recommendation

Buy the Cadet TEP Series if you want a reliable programmable (non-Wi-Fi) upgrade for Cadet baseboard or wall heat and don’t need app control.

Look at King Electric’s Hoot line or Mysa instead if Wi-Fi control matters, after confirming amperage and wiring compatibility with your specific Cadet heater. See Best Smart Thermostats for Electric Baseboard Heating.

Frequently Asked Questions

Does Cadet make a Wi-Fi smart thermostat?
We could not confirm a mainstream first-party Wi-Fi app-connected Cadet thermostat. Cadet’s own published guidance recommends its non-connected TEP Series electronic thermostat over generic smart/Wi-Fi options for reliability reasons.

Can I use a third-party smart thermostat with a Cadet heater?
Possibly, but confirm amperage and wiring compatibility (single-pole/double-pole, 2-wire/4-wire) with the specific thermostat first. Cadet’s own testing found that some relay-based smart thermostat setups didn’t provide reliable long-term power on its heaters.

Is the Cadet TEP Series a good thermostat?
It’s a well-documented, widely available electronic programmable thermostat. It doesn’t offer app control or remote access, which is the trade-off for its straightforward, no-connectivity reliability.

Why doesn’t this review have the same structure as your other smart thermostat reviews?
Because the product this page was assigned to cover, a “Cadet Wi-Fi Smart Thermostat,” doesn’t clearly exist as a confirmed retail product. Rather than describe features we can’t verify, we’re telling you what Cadet actually sells and what the company itself says about smart-thermostat compatibility.