Mechanics of the HAE Motorless HRV

With Heat Recovery (HAE), connected to a Forced Air Heating System having a furnace circulation fan running continually and developing 1/2" of static pressure = approx. 125 CFM.

ONE CUBIC FOOT OF AIR IN = ONE CUBIC FOOT OF AIR OUT

A bathroom exhaust fan has been added and connected to the HAE with two back 
draft dampers isolating the operation of either the exhaust fan or the furnace fan. 


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Last modified: 10/13/24