Heat exchangers are made from solid copper so they are durable and there are no moving parts to wear out.
Drain water heat recovery system.
The energy department estimates that energy losses in hot water amount to 80 to 90 a good argument for installing a drain water heat recovery dhr system.
It works by using outgoing warm drain water to pre heat incoming cold fresh water so your water heater doesn t have to work as hard.
Heat from the drain water is transferred to incoming water.
In a gravity film heat exchanger gfx drain water flows through a copper pipe that is wrapped in smaller diameter copper tubing.
The power pipe will typically pay for itself in as little as 2 years and may qualify for government or utility grants.
You ll need a unit with storage capacity for use with a dishwasher or clothes washer.
They generally have the ability to store recovered heat for later use.
This is achieved by a variety of systems called drain water heat recovery dwhr.
This process can be used for your home apartment condo business or many industrial processes using heated water.
Drain water heat exchangers can recover heat from the hot water used in showers bathtubs sinks dishwashers and clothes washers.