Comparisons
Versatile Thermostat vs Generic Thermostat
Generic Thermostat is Home Assistant's starting point. Versatile Thermostat keeps its simple configuration and adds real regulation and whole-home management.
What is Generic Thermostat?
Generic Thermostat is Home Assistant's native integration. It switches a single switch on or off based on a temperature sensor, with a tolerance (hysteresis) and manual presets. It either heats or cools, depending on its configuration.
Generic Thermostat official websiteFeature comparison
| Feature | Versatile Thermostat | Generic Thermostat |
|---|---|---|
| Built into Home Assistant, no installationVersatile Thermostat installs in one click from HACS. | No | Yes |
| Electric radiators, relays and pilot wire | Yes | Yes |
| Thermostatic valves, heat pumps and air conditioners (climate entities) | Yes | No |
| Direct control of valve opening | Yes | No |
| Several devices per thermostat | Yes | No |
| Proportional regulation (TPI) instead of on/offGeneric Thermostat works on/off with a hysteresis. | Yes | No |
| Automatic coefficient learning | Yes | No |
| Outdoor temperature compensation | Yes | No |
| Presets (Eco, Comfort, Boost, Frost protection...) | Yes | Yes |
| Automatic presence via sensor | Yes | No |
| Motion detection | Yes | No |
| Open window detection via sensor | Yes | No |
| Power shedding | Yes | No |
| Central boiler control | Yes | No |
| Safety mode when the sensor stops responding | Yes | No |
| Heating and coolingGeneric Thermostat heats or cools, but not both in the same entity. | Yes | Partial |
| Dedicated Lovelace card | Yes | No |
| Online log analyzer | Yes | No |
| Plugins (algorithms, cards, integrations)The VTherm Hysteresis plugin reproduces the Generic Thermostat on/off regulation, if you prefer it. | Yes | No |
Comparison checked against the documentation and source code of Versatile Thermostat and Generic Thermostat (Home Assistant 2026.10) in October 2026. Both projects move fast: please report any mistake on GitHub.
Why choose Versatile Thermostat?
Stable temperature, no yo-yo effect
The TPI algorithm doses the heating on each cycle based on the gap to the setpoint and the outdoor temperature. No more hysteresis overshoots.
Much more than a switch
Valves, heat pumps, air conditioners, pilot wire, several devices per room: Versatile Thermostat adapts to your setup.
Zero automations to write
Presence, motion, away and return: everything is configured in the interface, no YAML.
Open windows
Heating stops when a window opens, with or without a sensor, and resumes when it closes.
Power shedding and boiler
Power shedding for electric radiators and central boiler control.
Safety
If the sensor stops responding, safety mode prevents heating at full blast or letting the room freeze.
Online log analyzer
Load your logs and see temperatures, setpoints and triggers (window, safety, start-stop) on a chart. The analysis runs in your browser: your logs stay with you.
Learn moreExtensible with plugins
Since version 10, official and community plugins add regulation algorithms, cards, blueprints and integrations to fit Versatile Thermostat to your setup.
Learn more
When Generic Thermostat remains a good choice
- You don't want to install anything outside Home Assistant.
- You control a single switch, with an accurate sensor, and on/off is enough for you.
- Your heating has very little inertia (supplementary convector) and fine regulation adds nothing.
Switching from Generic Thermostat to Versatile Thermostat
Versatile Thermostat is configured like Generic Thermostat, entirely in the interface. 1. Install Versatile Thermostat from HACS. 2. Create a “Thermostat over a switch” with the same switch and the same sensor. 3. Keep the default TPI coefficients or enable Auto-TPI. 4. Replace the old entity in your dashboards and automations, then delete the Generic Thermostat.
Ready to try Versatile Thermostat?
Pick your heating type and follow the tutorial: your first thermostat is up and running in a few minutes.