Below grade heat recovery ventilator

Details Below grade heat recovery ventilator Below grade heat recovery ventilator

F - Mech Eng,Light,Heat,Weapons

24

J

F24J 3/00 (2006.01) F24F 7/06 (2006.01)

Patent

CA 2072453

-9- BELOW GRADE HEAT RECOVERY VENTILATOR ABSTRACT OF THE DISCLOSURE A below grade heat recovery system discharges air into the drainage system below the floor slab and around the perimeter of a house or building. This air maybe warm and moisture laden air ventilated from the building so that a portion of its energy content will be transferred to the surrounding soil, thus raising the soil temperature and reducing below grade heat losses. Pressurization of the subsoil layer will reduce radon and soil gas transport from the soil, through the floor slab into the basement. Reduced foundation movement will also be reduced by the supply of a relatively constant flow moisture into the soil with the discharged air.

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