What is "economizer"

Economizer \E*con"o*mi`zer\, n.

1. One who, or that which, economizes.

2. Specifically: (Steam Boilers) An arrangement of pipes for heating feed water by waste heat in the gases passing to the chimney.

n. 1 A person who avoids waste 2 A heat exchange device in a boiler that improves efficiency and saves fuel

n. a frugal person who limits spending and avoids waste [syn: economiser]

Economizers (US and Oxford spelling), or economisers (UK), are mechanical devices intended to reduce energy consumption, or to perform useful function such as preheating a fluid. The term economizer is used for other purposes as well. Boiler, power plant, heating, Refrigeration, ventilating, and air conditioning ( HVAC) uses are discussed in this article. In simple terms, an economizer is a heat exchanger.