intelligent FRESH AIR systems

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" What is HRV technology? "

HRV stands for Heat Recovery Ventilator. It is a technology that has been used for the last 40 years worldwide to provide high quality indoor air into buildings for the benefits of the occupants. HRV technology is used for commercial and industrial buildings as well as residential buildings.

A genuine HRV system will provide the following:

  1. fresh air into a building,
  2. extract stale air from the building,
  3. filter the fresh air entering the building to remove pollutants,
  4. recover heating and cooling from the stale air using a heat exchange core,
  5. and transfer the recovered heating or cooling to the incoming fresh air.
In housing, HRV systems are fully ducted systems delivering fresh filtered air from outside the building (external to the building and associated roof space) to the living and bedrooms and extracting stale air from high moisture areas such as bathrooms, kitchens and laundries. Typically, an HRV is able to recover 70 to 80 percent of the heat from the exhaust air and transfer it to the incoming air.

This type of ventilation is referred to as balanced mechanical ventilation. see definition.

For more detailed information read Heat Recovery Ventilator

Produced by Natural Resources Canada's - Office of Energy Efficiency - EnerGuide

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