Cold-climate heat pumps are coming.
8 manufacturers that took part in DOE Residential Cold Climate Heat Pump Challenge now take new products to market.
These heat pumps reliably delivered heat even during coldest winter months, with some units operating down to -26C still meeting energy efficiency requirements.
https://electrek.co/2024/10/24/seriously-good-cold-climate-heat-pumps-are-headed-to-the-us-market/