A/C just started making a deep hum...
I installed a 2nd A/C in the bedroom last summer, a Mach 8. I replaced the fan blade to make it quieter and it's worked great all year. But just recently...just as you're turning the A/C on it sounds...
Forum Discussion
Old-Biscuit wrote:
Regular small bolt (1/4") would be torqued to 20 lbs/FOOT which is basically 'hand tight'
Typo, i think you wanted INCH not FOOT....
