Patent ID: 9127856
Filing Date: 2015-09-08
Classification: B01D,F24F

Abstract:
1. A raisable and lowerable filter housing for an air heating/cooling system having an air intake located in a ceiling, the air intake comprising an air return having an air inlet, comprising: an air filter housing, said housing comprising an air intake grate having an outer side and an inner side and at least one filter mount for supporting at least one air filter at said inner side of said grate for movement with said air filter housing, said air filter housing further comprising at least one control tool mount configured to connect a control tool; at least one extendable connector having at least a first portion connected to said air filter housing and a second portion for connection to said ceiling; and wherein said air filter housing is movable between a raised position in which said grate is positioned at said air inlet of said air intake return and said at least one air filter associated with said air filter housing is configured to filter air passing through said air intake grate into said air intake return of said air heating/cooling system, and when a control tool is connected to said at least one control tool mount, a user may lower said air filter housing and at said least one air filter associated therewith to a lowered position in which said entire air filter housing and said at least one air filter associated therewith is positioned a distance vertically below said air intake, permitting a user to remove said at least one air filter from said air filter housing and replace said at least one air filter.