Carrier Infinity furnace sometimes "pops" on startup
I've noticed recently that my 3 week old Infinity furnace makes a "pop" noise on a cold start (in the evening, after being off all day). It's something between a "pop" and a bang when duct work moves with an old furnace.
Could this be the initial spark (since there is no pilot light)? I've only noticed it recently, so tonight I'll try to investigate and maybe try to record the noise.
3 weeks ?
why not ask your installer check it for sure.
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