Capture wasted heat that flows down the drain

One of the most common residential plumbing system problems is the wait for hot water. Each year the average home wastes thousand of gallons of water down the drain, waiting for hot water to reach the kitchen or bathroom faucets. Running water also wastes lots of energy used to heat and transport that water. It's a bad deal all around.

Why striving to avoid wasting hot water makes sense: it takes 27 times more electricity to heat hot water than it does to move water, hot or cold, in the first place.

At Greenbuild 2014, David Velan, president of Ecodrain, explains the EcoDrain system, a unique patent-pending heat exchanger that transfers heat from hot shower waste water to cold incoming water. This cuts water heater use for showers by 25% to 70%.

The EcoDrain is a small, easy-to-install device with no moving parts. The key to saving you money is the heat-exchange channels. The flattened, sealed channels maximize the surface area of the heat transfer space and to create optimum flow turbulence in the outgoing wastewater and incoming fresh water. The EcoDrain is installed directly in the shower drain line and features a double wall of separation between fresh and waste water to eliminate the possibility of mixing, plus an interior non-stick coating to prevent soap, hair or debris collecting inside.

It can be installed in new construction as well as existing homes, and works with any type of water heater, Velan noted.

Read more about water saving devices


Topics: Water Heating Strategies, Water Saving Strategies and Devices

Companies: U.S. Green Building Council, EcoDrain


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