- Seriously good cold-climate heat pumps are headed to the US market. - "The eight manufacturers that took part in the US Department of Energy’s (DOE) Residential Cold Climate Heat Pump Challenge are now taking their new, improved products to market." https://electrek.co/2024/10/24/seriously-good-cold-climate-heat-pumps-are-headed-to-the-us-market/ 18 comments energy