I have a Trane XE 1200 central air conditioner with gas furnace. I am in San Jose, CA area.
The indoor blower motor is getting quite noisy lately. Originally, this blower motor was supposed to have two speed, and run normally in slow speed. But the installer made it only run on high speed most of time, except when the air conditioning is turning off, and slow speed kick in for the last 20 seconds. Now the blower is rattling noisily. What should I do to find out more so that I can seek contractor to replace with another quieter motor? Thank you.
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