Importance

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Abstract

Air conditioning units packaged with condensing gas heat exchangers where condensate from the heat exchanger passes through the inducer fan, into an exhaust conduit, and out of the unit enclosure, and methods that reduce consumption of fossil fuels using air conditioning units with condensing gas heat exchangers by advertising that the units can be installed on the roof of a building or at ground level. Some embodiments include a drain hole extending through a collector attached to the heat exchanger to the inlet of the inducer fan. In some embodiments, a bifurcation in the exhaust conduit separates condensate from most combustion gasses. Some embodiments discharge condensate into a vertical standpipe in the ground that may extend below the frost line. Various methods include instructing an installer of the units regarding how to install the units and dispose of condensate into the ground or through a drain line into the building.

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First Claim