Wastewater heat recovery solutions from Epic Cleantec

Recover and reuse heat energy with Epic Cleantec

Harness the power of wastewater to lower costs and conserve resources.

From showers, to handwashing, to dishwashing, and laundry, it’s estimated we send enough energy down our drains to power 30 million homes. Residential and commercial buildings account for 75% of the total U.S. electricity consumption and 13.3% of that consumption went toward heating water. It takes billions of kWh of energy to heat up water, but that water is typically used just once before being discarded down the drain, along with all the excess heat energy. Science tells us that heat is energy, so how can we use it to its full potential? The answer is wastewater heat recovery.

Image of street showing steam escaping from manhole

Capture heat energy at the building level for maximum impact

Lower your energy demand and reduce your project’s carbon footprint.

Wastewater is a clean, renewable energy source. There is huge potential to create energy efficient buildings through the addition of a circular wastewater heat recovery system to lower the hot water energy demand. The key is to capture the heat energy within the wastewater while it’s still warm, which means capturing it at the building level. Reusing wastewater heat makes buildings more energy-efficient and is a third-generation renewable energy technology.

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Epic Cleantec wastewater heat recovery technology

How we collect and store energy for beneficial reuse in your building.

Epic Cleantec offers wastewater heat recovery options for the built environment. Our systems can be standalone products or coupled with our onsite water reuse technology for full resource recovery. Learn more about our technology.

The process uses double-walled heat exchangers that prevent any cross contamination between wastewater and the building water supply. In a typical apartment building, raw wastewater is stored around 80 degrees Fahrenheit. The heat exchanger utilizes the heat from the tank and transfers it to the incoming municipal city water, which is typically between 55 and 65 degrees. Raising the temperature of the incoming water supply even five degrees can have huge energy savings and can lower hot water energy demands by 30% in some conditions.

Heat recovery process

Lower operational costs and increase building performance

Implementing an onsite wastewater reuse system with heat recovery can enhance water recycling efforts, save on water and energy costs, insulate against rising utility costs, and reduce reliance on overburdened centralized infrastructure.

Any building with hot water fixtures can utilize wastewater heat recovery, however, projects that will see the biggest economic benefit are multifamily residential, hotels, student housing, sporting/event venues and wineries.

Extract up to 24 kW per 1,000 gallons of wastewater processed
Integrated into Epic’s OneWater^TM system for a single control panel with SCADA monitoring & data access
Fully automated, maximizing system uptime while reducing operational cost burden
Skid mounted system easily installed and incorporated into the building
Reduce energy demand by up to 30%

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Wastewater Heat Recovery

An energy efficient strategy to lowering operational costs in the built environment