noun
- devices that heat something in advance, especially air or fuel before it enters a main heating system or engine
Usage: technical; plural form of preheater
Examples
- The factory installed new preheaters to improve energy efficiency.
- Air preheaters warm the incoming air before it reaches the furnace.
- The engine’s fuel preheaters help reduce emissions in cold weather.
- Industrial preheaters can significantly lower operating costs.
- The technician inspected all the preheaters before starting the system.
- Modern preheaters use advanced technology to maximize heat transfer.