Furnace noise
Furnace has gotten louder - hard to describe but like something is loose and vibrating when fan motor is running. I took the outside cover off and didn't' see anything obvious - the fan doesn't appea...
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It seems that you are checking all around in and out of the squirrel cage (assuming that furnace is built that way).
I had a mud dobber build a nest in one - what a surprise. Ever since then i have had a screen on the intake and exhaust ports.
I had a mud dobber build a nest in one - what a surprise. Ever since then i have had a screen on the intake and exhaust ports.
