# Heat Pump & HVAC

Want to know more about electric heating and which tariff we offer? Read more here!

## Articles

- [My heat pump consistently shows an EVU block, why?](https://support.ostrom.de/en/articles/8046845-my-heat-pump-consistently-shows-an-evu-block-why)
- [What is an EVU block? Why is there an EVU block?](https://support.ostrom.de/en/articles/8047103-what-is-an-evu-block-why-is-there-an-evu-block)
- [Which tariff fits my devices?](https://support.ostrom.de/en/articles/11508553-which-tariff-fits-my-devices)
- [Supported Smart Home Devices & Heat Pumps](https://support.ostrom.de/en/articles/11508581-supported-smart-home-devices-heat-pumps)
- [Are HT- and NT-meter supported by Ostrom?](https://support.ostrom.de/en/articles/11508629-are-ht-and-nt-meter-supported-by-ostrom)
- [Are heat pumps supported by Ostrom?](https://support.ostrom.de/en/articles/11508698-are-heat-pumps-supported-by-ostrom)
- [How can the consumption of my heat pump be calculated?](https://support.ostrom.de/en/articles/11508785-how-can-the-consumption-of-my-heat-pump-be-calculated)