Patent ID: 7856833
Filing Date: 2010-12-28
Classification: F24F

Abstract:
1. An apparatus for use with an outdoor heat exchanger, the heat exchanger having an air inlet vent and an air outlet vent, the apparatus comprising a top having an exhaust vent complementary to the air outlet vent of a heat exchanger; and a surrounding wall attached to the top, wherein the surrounding wall is spaced from the outdoor heat exchanger upon installation, and wherein the surrounding wall has an intake opening having an airflow being equal to or greater than the exhaust vent of the heat exchanger and wherein the surrounding wall forms a substantially unimpeded air pathway through the apparatus, the pathway including through the intake opening, through the air inlet vent of the heat exchanger, through the air outlet vent of the outdoor heat exchanger and out the exhaust vent; wherein the surrounding wall and top are thermally insulating and the top contacts the outdoor heat exchanger.