Rolande Blier
Apr 13, 2014, 08:25 AM
Need to replace air filter - need to know where it is
ma0641
Apr 13, 2014, 05:10 PM
Could be in any number of places. Could be in the cold air return at the heater, could be in a central return duct, could be in every room. Have to start opening up and looking for the filter. If you have a large single return, it is most likely in there.