While central air has become the standard of maintaining a comfortable temperature in modern homes, there are a number of ...

Watsky's basic premise is that it's cheaper to heat a single room with a space heater than to heat an entire house with a whole-home central heating system. On one hand, this is essentially a truism.

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A district heating system uses a central plant to heat a number of buildings. The central generator and/or boilers produce hot water which is circulated through pipes to the buildings. The hot water ...