The aptly named Air Conditioner Water Heater, or ACWH ... compresses and expels from inside. The heat passes through a copper heat exchanger that connects to a home or building’s hot water ...

Water gets hotter as it passes back and forth through this copper honeycomb combustion ... preheat cold water before it enters the primary heat exchanger. The gas exits at below 150 F, cool ...

For the device to work, hot water from your shower flows through a copper ... water heater without sacrificing hot showers. Not every bathroom is well-equipped to install a drain heat exchanger.

This whole assembly is connected to the auxiliary water heater in a series piping arrangement ... is pumped counter-flow to the effluent flow through the copper tubing on the outside of the heat ...

Power Pipe is a brilliant, easy-to-install heat exchanger that can ... layers of highly conductive copper coils, which effectively transfer heat from the waste water draining down the pipe.