The reason for the device is simple, when you use your clothes dryer , hot water heater, other other utilities ... The block you see on top of the dryer is a heat exchanger. The exhaust from ...

There are non-condensing and condensing options: Electric Tankless Water Heaters don’t rely on a heat exchanger ...

Gas Water Heater Market: Heater Efficiency | APAC Fastest Growing by Japan, South Korea, Australia, Singapore, Taiwan, Hong Kong, China, Malaysia ...