1356 Filters and Condensate Drains - Insulation Energy Efficiency - Venting Living Spaces -

Image Text: Outside > cool fresh air > cooled exhaust air > supply > exhaust > intake filter > filters are similar to furnace filters (but smaller) > exhaust filter > heat recovery ventilator > heat exchanger > warm moist exhaust air from house > warm dry air to house > condensate pan > condensate  drain (1/2 inches typically) > trap > floor drain > condensate line > plumbing stack > condensate line > air gap > laundry tub