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Recycle Heat from Wastewater with Greywater Heat Recovery Units

Greywater heat recovery units (GWHR) improve energy efficiency by capturing and reusing heat from wastewater, such as from showers, sinks, and washing machines. Instead of letting warm water drain away, these systems extract and transfer heat to incoming cold water, reducing the energy required to heat water and lowering utility bills.

Ideal for Passive House, LEED, and Net Zero Energy homes, greywater heat recovery systems help cut water heating costs by up to 60%, making them an essential addition for homeowners looking to reduce energy waste and increase home efficiency. These systems are simple to install, require minimal maintenance, and can significantly extend the lifespan of water heaters.

  • Reduces water heating energy use, saving up to 60% on energy costs.
  • Works with any hot water system, including tank and tankless water heaters.
  • Passive energy-saving system with no moving parts or electricity required.
  • Quick and easy installation, ideal for new builds and renovations.
  • Improves sustainability, reducing energy waste and carbon emissions.

Find the Best Greywater Heat Recovery Unit Suppliers Near Me on Ecohome

Choosing the right greywater heat recovery unit depends on pipe compatibility, household hot water usage, and efficiency ratings. Ecohome connects homeowners, builders, and contractors with top-rated greywater heat recovery system suppliers across the USA and Canada.

Before selecting a greywater heat recovery unit, consider:

  • Pipe size compatibility – common sizes include 2-inch, 3-inch, or 4-inch diameters.
  • Heat exchange efficiency – higher efficiency units recover more heat and improve energy savings.
  • Vertical vs. horizontal installation – vertical units are more effective but require sufficient clearance.
  • Integration with existing plumbing – ensuring compatibility with water heaters and home layouts.
  • Certifications and approvals – look for CSA, NSF, or ENERGY STAR® ratings for quality assurance.

Browse customer reviews, compare efficiency ratings, and request quotes from leading greywater heat recovery unit suppliers to find the best sustainable energy-saving solution for your home.

Why Greywater Heat Recovery Units Are Essential for Sustainable Homes

Greywater heat recovery systems reduce energy waste, improve hot water efficiency, and lower carbon footprints by capturing heat that would otherwise be lost down the drain. These low-maintenance, cost-effective systems are a simple yet powerful way to boost home energy efficiency.

  • Lowers water heating costs, reducing reliance on electricity or gas.
  • Extends the lifespan of water heaters by reducing strain on heating elements.
  • Improves overall home energy efficiency, especially in high-use households.
  • Ideal for new construction and renovations, providing long-term energy savings.
  • Environmentally friendly, reducing heat waste and greenhouse gas emissions.

By installing a greywater heat recovery unit, homeowners can maximize energy savings, improve hot water availability, and contribute to sustainable home design.

Greywater Heat Recovery Unit Tax Credits and Rebates in the USA & Canada

Government incentives help reduce the cost of installing greywater heat recovery systems, offering tax credits, rebates, and grants to encourage energy-efficient home upgrades.

  • USA: The Inflation Reduction Act (IRA) offers federal tax credits for energy-efficient plumbing and water heating systems, which may include greywater heat recovery units.
  • State and utility rebates are available for greywater recovery systems, providing financial incentives to improve home energy efficiency.
  • Canada: The Canada Greener Homes Initiative provides grants and rebates for energy-efficient home upgrades, including heat recovery systems that reduce energy waste.
  • Provincial and municipal programs offer additional incentives for homeowners installing greywater heat recovery units.
  • Many utility companies provide rebates for water efficiency improvements, including greywater heat recovery technology.

Before installing a greywater heat recovery unit, check federal, state, and provincial incentives to maximize savings and improve your home’s energy efficiency.