The heat pump revolution is here. This is what you need to know

Heat pumps have become the tech of choice to keep homes warm - but what are they and how do they work?

Few climate technologies have ever had a moment quite like the one heat pumps are currently enjoying.

While the share of electric vehicles and induction stoves sales may be growing, they still represent a sliver of all cars and stoves sold respectively. US heat pump sales, though, surpassed those of gas furnaces last year as the tech of choice to keep homes comfortable.