The Climate component of Home Assistant can control the connected thermostats, air conditioning or heat pump from many manufacturers including Dyson Pure Hot+Cool, Ecobee, Hive, KNC Climate, Nest, Netatmo Thermostat, SmartThings, Vera, Z-Wave thermostats.
Main connected thermostats manufacturers compatible with Home Assistant
The list of compatible devices is on this page (47 currently)
| Set value | Fan | Modes (including on/off) | Away mode | Doc. | |
| Dyson Pure Hot+Cool | X | X | X | Read | |
| Ecobee* | min, max, set | on/off | auto, auxHeatOnly, cool, heat, off | X | Read |
| Hive | X | X + auxillary | Read | ||
| Nest | min, max, set | X | X | X | Read |
| Netatmo | X | X | X | Read | |
| Z-Wave thermostats | X | X | X | Read |
(*) requires to create a developer account to recover an access token to the API
Connected thermostats compatible Home Assistant specials
Control your heating, air conditioning, thermostat from Homy even outside of your home
All commands are available on Homy. Set point, minimum / maximum temperature, humidity level (for air conditioning), operating mode, ventilation mode, swing mode, absence mode, auxiliary heating control.
Some devices allow you to set a temperature range rather than a setpoint. Here is a comparison chart of the three types of devices that you can control from Home Assistant and integration into Homy, Thermostat, Air Conditioning (HVAC), Heat Pump.
| Thermostat | HVAC | Heat Pump |
 Ecobee thermostat on HASS |  HVAC on HASS |  Heat Pump HASS |
 Ecobee thermostat on Homy |  HVAC on Homy |  Heat Pump on Homy |
In widget display, it is possible to change the operating mode. Each press switches to the next mode.
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