sorry if you dont like poetry or music burn your stereo and all your rcords and cd's, burn your xomputer if you use youtube or spotify...Can I have my 45 seconds back please?
I’m not an HVAC guy but work in the trades. It’s almost certainly expansion and contraction of the metal in the ducts.
Are you off topic for a reason?I’m not an HVAC guy but work in the trades. It’s almost certainly expansion and contraction of the metal in the ducts.