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Hot water heat recycling
 
 
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Hot water heat recycling (also known as drain water heat recovery, greywater heat recovery, or sometimes shower water heat recovery) is the use of heat exchanger
Heat exchanger

A heat exchanger is a device built for efficient heat transfer from one medium to another, whether the media are separated by a solid wall so that they never mix, or the media are in direct contact....
 technology to recover and reuse hot water heat from various activities such as dishwashing, clothes washing and especially showers. The technology is used to reduce primary energy
Primary energy

Primary energy is energy that has not been subjected to any conversion or transformation process.Primary energy is energy contained in raw fuels and any other forms of energy received by a system as input to the system....
 consumption for domestic water heating
Water heating

Water heating is a thermodynamics process using an energy source to heating water above its initial temperature. Typical domestic uses of hot water are for cooking, cleaning, bathing, and space heating....
. Standard units save up to 60% of the heat energy that is otherwise lost down the drain when using the shower.

The technology is fully recognized in Canada
Canada

Canada is a country occupying most of northern North America, extending from the Atlantic Ocean in the east to the Pacific Ocean in the west and northward into the Arctic Ocean....
 where the federal ecoENERGY
Ecoenergy

Natural Resources Canada's ecoENERGY Retrofit program provides financial support to homeowners, small and medium-sized businesses, public institutions and industrial facilities to help them implement energy saving projects that reduce energy-related greenhouse gases and air pollution, thereby contributing to a cleaner environment for all Ca...
 retrofit for homes program offers grants for installations and the EnerGuide for New Houses program has energy savings and energy credit calculations that it uses for new home construction.








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Hot water heat recycling (also known as drain water heat recovery, greywater heat recovery, or sometimes shower water heat recovery) is the use of heat exchanger
Heat exchanger

A heat exchanger is a device built for efficient heat transfer from one medium to another, whether the media are separated by a solid wall so that they never mix, or the media are in direct contact....
 technology to recover and reuse hot water heat from various activities such as dishwashing, clothes washing and especially showers. The technology is used to reduce primary energy
Primary energy

Primary energy is energy that has not been subjected to any conversion or transformation process.Primary energy is energy contained in raw fuels and any other forms of energy received by a system as input to the system....
 consumption for domestic water heating
Water heating

Water heating is a thermodynamics process using an energy source to heating water above its initial temperature. Typical domestic uses of hot water are for cooking, cleaning, bathing, and space heating....
. Standard units save up to 60% of the heat energy that is otherwise lost down the drain when using the shower.

The technology is fully recognized in Canada
Canada

Canada is a country occupying most of northern North America, extending from the Atlantic Ocean in the east to the Pacific Ocean in the west and northward into the Arctic Ocean....
 where the federal ecoENERGY
Ecoenergy

Natural Resources Canada's ecoENERGY Retrofit program provides financial support to homeowners, small and medium-sized businesses, public institutions and industrial facilities to help them implement energy saving projects that reduce energy-related greenhouse gases and air pollution, thereby contributing to a cleaner environment for all Ca...
 retrofit for homes program offers grants for installations and the EnerGuide for New Houses program has energy savings and energy credit calculations that it uses for new home construction.

See also

  • Heat recovery ventilation
    Heat recovery ventilation

    Heat recovery ventilation is a Ventilation system that employs a countercurrent exchange heat exchanger between the inbound and outbound air flow....
  • Green building
    Green building

    A sustainable building, or green building is an outcome of a design which focuses on increasing the efficiency of resource use ? energy, water, and materials ? while reducing building impacts on human health and environment during the building's lifecycle, through better siting, design, construction, operation, maintenance, and remova...
  • Zero energy building
    Zero energy building

    A zero energy building or net zero energy building is a general term applied to a building with zero net energy consumption and zero carbon emissions annually....
  • Low-energy building


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