Will it work with your system?
Works well with
- Homes with hot or cold rooms
- Systems the maker's checker confirms
Check first if you have
- Line-voltage baseboard heat
- Millivolt gas heaters
What it controls
The Google Nest BH1252 Learning Thermostat is a learning thermostat. Its listing doesn't spell out which heating and cooling systems it supports, so run the maker's compatibility checker before you buy.
On power, the listing doesn't say whether it needs a C wire. What a C wire does.
The listing doesn't state heat pump support; if you have an O/B wire, confirm with the maker before ordering. Heat pump wiring.
Connectivity: Wi-Fi. It nest.
Sensors, per the listing: with 2 Sensors. Room sensors change which room the thermostat responds to; they don't move air between rooms.
Tick your terminals in the wiring checker to see whether its maker's statements cover your system.
Also on the listing: a lcd.
Compatibility and specs
These come from the maker's listing for this exact model; the source of each is marked. Anything the maker leaves out is marked not stated.
| Model number | BH1252 | Retailer |
|---|---|---|
| Model name | Nest Learning Thermostat (3rd Generation, Stainless Steel) | Retailer |
| Works with | Nest | Retailer |
| Features (seller) | Programmable | Retailer |
| Connectivity | Wi-Fi | Retailer |
| Power | Battery Powered | Retailer |
| Voltage | 230 V | Retailer |
| Display | LCD | Retailer |
| Mounting / installation | Wall Mount | Retailer |
| Batteries | 1 Lithium Ion batteries required. (included) | Retailer |
| Material | Stainless Steel | Retailer |
| Room sensors | with 2 Sensors | Retailer |
Strong points and weak points
Strong points
- Room sensor support
- Works with Nest
Weak points
- C-wire need not stated
- Needs Wi-Fi for smart features
Wiring and install notes
- Compatibility statements are the maker's own. Confirm with the maker's compatibility checker, turn the power off before wiring, and leave line-voltage and furnace work to a licensed electrician or HVAC technician.
Thermostats to compare it with
FAQ
Does the Google Nest BH1252 Learning Thermostat need a C wire?
Does the Google Nest BH1252 Learning Thermostat work with a heat pump?
Other smart thermostats with similar wiring
- Google Nest Thermostat 3rd Gen Learning Thermostat
- Honeywell Home THX321WFS2001W Smart Thermostat
- Riseem STN701W-Blue Smart Thermostat
- meross MTS300 Smart Thermostat
All smart thermostats in one grid · Every Google Nest control listed
Our take
A fit for homes with hot or cold rooms.
Where to get it
The link goes to this exact model's listing. Check that the box includes the trim plate or C-wire adapter you need, and confirm your wiring with the maker's compatibility checker before you order.
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