Another culprit could be the fan which rattles when loose.
Chirping heat pump attic fan.
This has a knock on effect.
Chirping is actually the least serious air conditioner noise so if you hear it let your system run and see if it quiets down or if the noises become less frequent.
An attic fan can reduce the heat in your roof space by between 40 f and 50 f.
If you see visible damage to the condenser coils compressor or fan call your hvac technician.
I went there and sure enough i heard a motor sound checked all the bath fans circulator pumps and nothing was running i then went down and turned off the main breaker and the noise was still there.
In order to get rid of the hum you need to either operate the fan at a low speed or replace the fan with a new one that has more blades.
Pumps out a lot of heat to keep your home cooler in the summer.
Includes a thermostat and humidistat.
Chirping noises coming from your air conditioner usually indicate either that the bearings are dry the fan is rubbing against the coils or blower cage or the belt needs to be replaced.
Your air conditioner doesn t have to work.
I had a emergency service call about 5 years ago for a unknown motor sound in the upper floor hallway of a home.
Quiet and easy to clean.
Carrier heat pump 14 seer works just fine.
If the rattling seems to be internal from a furnace or other internal component turn the system off and call your hvac technician since removing the obstacle isn t as simple.
Must have a good southern exposure for best solar charge.
But while downstairs is just right upstairs is i m guessing 5 to 10 degrees warmer.
Attic fan making humming noise the attic fan tends to makes a humming noise when it has a few blades and is running at a high speed setting.
In late winter early spring we can go weeks and weeks without using either the a c or heater by opening windows at night to cool the house then closing them in the morning to keep the house cool.