The limits of heat pumps
Heat pumps are an incredible technology, and a key part of cutting the carbon impact of heating and cooling homes. But no technology is perfect. Air heat pumps can be less efficient in high winds and when it is cold and humid. Luckily, manufacturers have spotted these issues, and are improving the technology as they go.
https://www.wired.com/story/how-heat-pumps-are-affected-by-climate-change/