Smart Thermostats / Mysa
Mysa Smart Thermostat for Electric Baseboard Heaters V2 (MYSA-V2-0 / BB2001NAUS)
The default smart thermostat for electric baseboard heat — and it will not run a furnace.
Overall score 5.9/10
Pros
- + One of the very few smart thermostats that actually controls 120/240V electric baseboard heat, which no Nest, ecobee, Sensi or Honeywell model here can touch
- + Real energy monitoring in watts per heater, so you can see which room is eating the bill
- + Apple HomeKit, Alexa and Google support with no hub, on a 5-year warranty
- + One thermostat per heater means genuine per-room zoning without buying a sensor ecosystem
Cons
- − 16A / 3,800W ceiling at 240V, and it needs both L1 and L2 in the box — a two-wire switch loop or an oversized heater bank is a hard no
- − Heating only, on/off. No cooling, no staging, no humidifier, no ventilator
- − No Matter. Mysa's Matter rollout is documented for the central-HVAC thermostat, not the baseboard line
- − Warranty sources conflict: Mysa's own page claims 5 years while SupplyHouse's listing for MYSA-V2-0 says 2
- − You need one per heater circuit, so a four-room apartment is four thermostats and four installs
Mysa Smart Thermostat for Electric Baseboard Heaters V2 (MYSA-V2-0 / BB2001NAUS) review: what the specs say
The default smart thermostat for electric baseboard heat — and it will not run a furnace. At $159, Mysa's 2021 model sits in the middle of the range — the smart Thermostats we compare run from $79 to $259.99. It scores 5.9/10 overall, calculated from published specifications across 8 categories rather than from a subjective impression.
Its strongest showing is C-Wire Freedom at 7.5/10 — how likely this thermostat is to run on the wiring you already have — whether it needs a common wire, and whether the workaround is in the box, sold separately, or an electrician's visit. The single biggest cause of returns in this category.. The weakest is HVAC Coverage at 3.0/10, which is the trade-off to weigh before buying: if that is the specification you care about most, one of the alternatives below will serve you better.
Worth knowing before you buy: 16A / 3,800W ceiling at 240V, and it needs both L1 and L2 in the box — a two-wire switch loop or an oversized heater bank is a hard no; and heating only, on/off. No cooling, no staging, no humidifier, no ventilator. Every specification on this page comes from Mysa's own documentation or a verified retail listing — where a figure is not published, the table says so rather than estimating it.
Specifications and price last verified . Report an error
Full Specifications
| System Voltage | Line voltage 120V or 240V AC, 16A maximum — 3,800W at 240V or 1,900W at 120V, on a 20A breaker. This is the opposite of every 24V thermostat here; a low-voltage model will not run baseboard heat and this will not run a furnace |
| C-Wire Required | Not applicable — line-voltage thermostats have no C wire. It does need both line conductors (L1 and L2/neutral) present in the box, so a two-wire switch loop will not work |
| Adapter / Power Kit Included | Not applicable |
| Heating & Cooling Stages | Heating only, on/off line-voltage switching. No cooling and no staging |
| Heat Pump & Aux Heat | No. Mysa states it does not work with 24V furnaces or central air, millivolt systems, central hydronic boilers, or electric in-floor heating, which needs a different Mysa product |
| Humidifier / Ventilator Terminals | None |
| Remote Sensors | None. Mysa's model is one thermostat per heater circuit, so each room is its own zone rather than a sensor network |
| Occupancy Detection | Light and proximity sensors wake and dim the display on the V2. Away control is app geofencing. There is no room occupancy sensing |
| Matter Support | Not listed for the baseboard models. Mysa's own Matter article covers the central-HVAC Smart Thermostat and says Matter is 'expected in early 2026 via firmware update' |
| Voice & Smart Home Platforms | Mysa app, Apple HomeKit, Amazon Alexa, Google Home |
| Utility Rebates & Demand Response | Mysa states both baseboard models support utility demand-response programs, and the V2 is stocked across US utility rebate marketplaces |
| Account or Subscription Needed | No subscription — Mysa markets the app as 100% free |
| Connectivity | 2.4GHz Wi-Fi |
| Material | Moulded plastic body with a glass faceplate and capacitive touch controls |
| Warranty | 60 months |
Compare Mysa Smart Thermostat for Electric Baseboard Heaters V2 (MYSA-V2-0 / BB2001NAUS) With
Cheaper Alternative
Google Nest Thermostat (2020) — $129.99