Central heating system with no spot for filter?

10-10-2012, 07:30 AM	#16
Chris Sweeney Member   Join Date: Apr 2012 Location: Glenside, PA Posts: 38	Central heating system with no spot for filter? In my first pic above, could I just take a reciprocating saw and cut a filter slot where the return duct comes into the furnace? I was actually working in a basement somewhere yesterday where it looked like somebody did it to their furnace to make a slot for their air filter. Have you seen this done before?

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10-10-2012, 11:33 AM	#17
techpappy Member   Join Date: Jul 2012 Location: Toronto ON Posts: 577	Central heating system with no spot for filter? you have to install two U channels top and bottom for the filter to slide into check online for description and installation instructions i have never done one

10-10-2012, 06:15 PM	#18
Chris Sweeney Member   Join Date: Apr 2012 Location: Glenside, PA Posts: 38	Central heating system with no spot for filter? Yeah it seems simple enough. I'll Google around a little more to see what I can find.