Home Support Frequently Asked Questions ...How does a FFG Air Exchanger work?

What are the Mechanics of a Furnace Fan Generated Air Exchanger?

The Mechanics of a Furnace Fan Generated Air Exchanger

With Heat Recovery (HAE), connected to a Forced Air Heating System having a Furnace Circulation Fan running continually and developing one half inch of static pressure = approx. 125 CFM.

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

Mechanics of a Furnace Fan Driven Air Exchanger
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. 


Printer Friendly (pdf) - opens in new window

HRV - Heat Recovery Ventilator

ERV - Energy Recovery Ventilator

Last Updated (Monday, 25 February 2013 16:10)