One common cause of a loud bang or boom is a dirty burner in your furnace.
Carrier furnace exhaust fan noise.
Carrier weathermaker 8000ts model 58cta070 10108 parts replaced.
If you block this off to reduce the noise then your gas furnace will not operate properly and it could be dangerous.
Not only are furnace exhaust fan noises disruptive they may also indicate potential problems within your furnace that need to be repaired immediately.
I have a carrier gas furnance that was making a loud whining noise.
The blower will make noise if the ductwork is undersized.
Is the motor difficult to replace.
The blower wheel blows air out of the furnace and through the house.
Having dirty burners in your furnace can cause a delay in ignition.
These fans must run whenever the furnace is lit and they often cycle when the furnace is not blowing warm air because the pilot light is always burning.
The blower wheel is attached to the blower motor shaft with a set screw.
Check the set screw to ensure that it is properly tightened.
So the gas will build up instead of the gas igniting immediately.
A furnace exhaust fan in need of repair is of particular concern since it is such a critical component of your system.
Is there also a screw bolt at the end of the shaft that must be.
The sound went away and the system is functioning.
My carrier natural gas fired furnace has one which makes detectable noise until the main blower comes on and then noise from the inducer fan is drowned out by the main blower noise.
Inducer motor hc21ze125 https amzn to 2wnirzi inducer fan la660003 https amzn to 2.
Ours is original equipment and has been in service for 25 years but there is a wide distribution in lifetime for this component.
If you hear a sound like a loud bang or boom coming from your furnace you would certainly be wise to be concerned.
I traced the sound to the electric exhaust blower motor ao smith model je1d013n.
The motor shaft and the wheel will be noisy as it turns.
These fans can be direct drive to an electric motor or attached to a belt and drive wheel assembly if the fan is located far from the motor.
The hvac professional may not be able to easily solve your problem aside from the maintenance service i mentioned above.