The highly efficient devices are the darlings of the environmental movement. Here’s why. By Hilary Howard Heat pumps, which both warm and cool buildings and are powered by electricity, have been ...

With global warming becoming an urgent issue, heating our homes efficiently -- and sustainably -- has taken center stage. As winters become more unpredictable (and unexpectedly harsh), finding ...

What's the difference between warm air and cool air? In fact, what does “temperature” even mean? It's stranger than you think. At a basic level, if you increase the temperature of air, you increase ...

Heat pumps are electric appliances that can both heat and cool your home. Scientists see them as a climate solution because heat pumps reduce planet-heating emissions. They cut pollution from burning ...

Heat pumps are being sold to consumers as a way of cutting carbon emissions from homes - but are they suitable for older or ...