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Air filter sensor apparatus kit and method

  • US 20040182245A1
  • Filed: 03/21/2003
  • Published: 09/23/2004
  • Est. Priority Date: 03/21/2003
  • Status: Active Grant
First Claim
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1. An air filter sensor kit for permitting a person to modify the filtering portion of a heating or cooling system that uses an air filter and an associated air filter grill with an exterior to enable the determination of when the air filter is dirty and needs changing comprising an air filter sensor for sensing differential air pressure caused by said air filter becoming dirty, said air filter sensor having a portion thereof sized and shaped to be easily inserted through said air filter and having a portion thereof adapted to be located on the exterior of said grill with indicating means for providing an indication of the differential air pressure sensed by said air filter sensor, and air filter sensor connecting and support means for connecting said filter sensor to said air filter grill and for providing support for said air filter sensor.

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