Mitsubishi Hyper Heat and H2i Plus: https://www.mitsubishicomfort.com/articles/what-is-a-heat-pu...
Efficiency with these heat pumps severely decreases when temps go below 0F, but they still produce heat.
Their sites are admittedly not all that clear. GreenBuildingAdvisor.com has a ton of useful info on it, like https://www.greenbuildingadvisor.com/question/cold-weather-p....
Mitsubishi Hyper Heat and H2i Plus: https://www.mitsubishicomfort.com/articles/what-is-a-heat-pu...
Efficiency with these heat pumps severely decreases when temps go below 0F, but they still produce heat.
Their sites are admittedly not all that clear. GreenBuildingAdvisor.com has a ton of useful info on it, like https://www.greenbuildingadvisor.com/question/cold-weather-p....