Heat recovery / Discussions

...recovery ventilator with my HVAC contractor. We will look at doing some form of energy audit to size the system. My greatest concern is how the ERV functions at keeping the stack pressure in balance on a continual basis with factors like doors/windows opening, kitchen exhaust, etc. Has anyone come across a self-balanci...

...heat exchanger, and if it would be beneficial to have two, one on each side of the HRV. I understand using the ground loop fluid to preheat the air in the winter prior to entering the HRV but would in not be beneficial to have a second ground loop heat exchanger after the HRV in the summer?  This would allow for the co...