Heat pumps just keep getting hotter. The über-efficient, emissions-free appliance looks almost certain to have outsold gas furnaces in 2024 — and by a bigger margin than ever. To be sure, the data ...

If your heat pump is too small for your home, it likely won't work properly. You could end up paying higher heating and cooling bills because the heat pump will struggle to heat and cool your home.

paraffin will release heat as temperatures drop and then stay solid until they rise again. “If you’re designing for Philly, it’s not going to be working 100% of the time,” he said. But the Drexel team ...

Curiosities like these motivated the physicist and future Nobel laureate Steven Weinberg to develop an idealized quantum theory of heat-resistant order in the 1970s. But in both liquid helium and ...