What if your wastewater wasn’t a total waste?
A drain water heat recovery system preheats your incoming cold water by transferring heat from warm wastewater, helping you reduce water heating energy consumption by up to 25%.
Expect to pay $300 to $500 for professional installation of a drain water heat recovery system, with families of four often recouping costs in as little as one year.
Your drain water heat recovery system works best with simultaneous water flows like showers, though systems with storage capacity let you capture heat for later use in dishwashers and washing machines.
Hiring a local drainage company provides reliable installation in about two hours, ensuring your heat exchanger fits correctly with your existing water heater and plumbing setup.
Want to conserve energy? Look no further than a drain water recovery system. These systems tackle one of the biggest energy wasters in your home: heating hot water. Every time you shower or run the dishwasher, you fritter away hot water. A drain water heating recovery system, also known as a drain line heat exchanger, recovers the water and reheats it to save you money and reduce waste. Here’s what you need to know about drain water recovery systems.
A drain water heat recovery system consists of two copper pipes and a coil. The pipes transfer the existing heat in your drain water to the new clean water as it passes through a second pipe before it reaches your water heater.
The heat exchanger is essentially two short sections of pipe fused against each other. Though the pipes are fused, the water never mixes. Warm wastewater flows through the larger drain line. The smaller section circulates clean water near the drain line, sometimes winding around it, which forces heat to transfer from the dirty water to the clean.
Rather than flowing into your sewer system or septic tank, the hot water is recycled and used to preheat the new clean, cold water on its way to your water heater.
You’ll gain the most savings when used with simultaneous water flows such as showers, but systems with additional storage capacity can store water for later use in appliances such as washing machines and dishwashers. The system's exact size will depend on your household hot water needs. Three to four feet of vertical drain stack is usually enough to reduce your hot water energy consumption by up to 25%.
The technology used in drain water heat recovery systems minimizes energy consumption. It also lowers your energy bills and prolongs the life of your water heater. Even better, these systems are compatible with all different water heating systems, including tank water heaters and on-demand models.
A drain water heat recovery system can reduce the energy consumption of your water heater by up to 25%. Less energy consumption also means you’ll pay less for your energy bills every month with savings beginning in as little as a year for large households.
It’s quite simple. Pre-heating cold water on its way to your water heater takes less time and energy to produce the temperatures needed to use your shower, dishwasher, and washing machine. The less wear-and-tear your water heater endures, the longer you can extend your water heater’s life span.
Drain water heat recovery systems work with a variety of water heating systems, including demand, electric, gas, solar, and tankless water heaters. This makes heat exchangers compatible with any type of water heater you choose to install in your home.
Drain water heat recovery systems are truly a one-and-done add-on because their copper pipes can last for decades, and they don’t contain any parts that need repairing or replacing. Heat exchangers have been known to last over 30 years. Once a local plumber installs it, you can enjoy its energy and money-saving benefits without needing to lift a finger to maintain it.
The price you’ll pay for drain water heat recovery systems ranges from $300 to $500, depending on the installer’s labor rate and the region where you live. A family of four taking up to eight daily showers can recoup the savings in as little as one year. The more you use the system the more money you’ll save. A reputable, local plumber can install the system correctly in about two hours.
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