Discover the key differences between heat pumps and furnaces, including energy efficiency, cost, and climate suitability.

However, despite their name, radiators actually transfer most of their heat to a room by convection, not radiation. Normally radiant heaters must be at least red hot before they are effective.

Heat energy is conducted from the hot end of an object to the cold end. The atoms are fixed in place but are free to vibrate. When part of a solid absorbs heat energy the atoms vibrate faster and ...