What is Wastewater Heat Recovery?

Definition, Best Practices & More

A definition of Wastewater heat recovery

Wastewater is a constant and inexhaustible resource that can carry ~25% of a building’s daily energy consumption and in most cases, is being allowed to go to waste into our sewer systems.

When discharged from buildings, wastewater is higher in temperature than other regenerative energy sources, such as well water or geo-exchange, reaching an average temperature of 21°C (77°F) at the point of discharge.

Across North America and the EU alone, there is over 330 billion liters (87 billion US gallons) of wastewater discharged through the sewer systems each day. This wastewater has the potential to replace 1.5 billion MWh of the natural gas consumption used to provide space heating and domestic hot water every year.

At SHARC Energy Systems, we capture the limitless supply of thermal energy from wastewater to provide sustainable heating and conditioning for a wide range of building types. We aim to significantly reduce global carbon emissions, while reducing current and future energy costs for our clients.

The thermo-mechanical methods used in our system are efficient, cost effective, scalable and reliable, providing a truly sustainable and odourless heating and cooling source.

The importance of Wastewater heat recovery

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Benefits of wastewater heat recovery

  • Energy cost savings and primary energy consumption reduction
  • Energy Supply Security
  • Cost Certainty for long-term budgeting
  • Reduced GHG emissions, including CO2
  • Better air quality around the site & reduced carbon monoxide risk
  • Easy install into new or existing infrastructure
  • Ongoing system monitoring and cost-free maintenance & equipment life cycle

Effective management of wastewater heat recovery

The SHARC system exchanges energy with wastewater that would otherwise flow down the drain. The result is a limitless supply of thermal energy available for space conditioning and domestic hot water heating.

The SHARC is suitable for multi-unit residential, commercial buildings, and district energy systems.

What energy savings does wastewater heat recovery provide?

Heat energy accounts for over 50% of all energy consumption in buildings so it makes sense to seek out alternative energy sources that provide cost savings while reducing carbon emissions. SHARC Energy Systems utilise the massive amount of energy that gets wasted through heated water and ambient waste heat, so by installing SHARC Energy, you’ll have access to a sustainable energy resource that secures your business against fossil fuel shortages and price rises.

What costs savings does wastewater heat recovery provide?

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Recognition For SHARC Energy

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SHARC Energy's Director of Marketing & IT - Mike Tanyi

Mike Tanyi

Mike Tanyi is the Director or Marketing and IT at SHARC Energy Systems Inc. 

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Want to find out how to get SHARC energy for your building?

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Mike Stuart

Facilities Manager, Municipality of city

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