economizer
/-zə(r)/ (ame, mw)
economizer — noun
1. A device that catches heat that would usually escape from a system and uses it t
A device that catches heat that would usually escape from a system and uses it to warm water or air before the main heating process.
The factory added an economizer to the boiler to cut fuel costs.
economizer on a boiler to save fuel
Nadia inspected the economizer after the hotel's heating bill suddenly rose.
inspect an economizer when heating costs rise
The economizer warmed incoming water with heat from the plant's exhaust gas.
After the upgrade, the hospital's economizer recovered heat before it escaped outdoors.
- heat exchanger
a broader term for equipment that transfers heat; an economizer specifically saves energy by reusing heat that would otherwise be lost
- recuperator
a more technical word for a heat-recovery device, especially in industrial systems
- preheater
emphasizes warming air or water before the main heating stage, rather than the full energy-saving function
文法句型
an + economizer
install an + economizer + on + [boiler]
economizer + for + heat recovery
用法筆記
This word is mainly used in technical contexts such as boilers, furnaces, and heating systems. It usually refers to equipment that reuses heat from exhaust gas or other waste heat before that energy is lost.