Superior Comfort Heating and Cooling

Common Noises That Mean You Need HVAC Repair in Downriver Michigan

Common Noises That Mean You Need HVAC Repair in Downriver Michigan

For most home owners the sound of the HVAC system can be a welcome sound if they spend time outside in the cold. While there are sounds that typically come from heating and cooling systems sometimes things happen which can be more of a sign of a problem rather than a comfortable home. If you’ve noticed weird sounds coming from your heating or cooling system we’ve broken down some of the things that it can be. While some sounds are common, some may require you to hire an HVAC technician in Downriver Michigan as soon as possible.

Common Noises That Mean You Need HVAC Repair in Downriver Michigan

Routine inspections of your heating and cooling system can help to find many problems before they cause your entire system to shut down. During a routine inspection a technician will listen for these sounds as well which can indicate there is a problem. Depending on the noise and the level of noise will determine what steps need to be taken to repair the system. Some noises can be extremely loud while others may be a bit more subtle. In any case, if you notice any of these noises coming from your heating or cooling system, it’s best to call a repair technician to check it.

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Banging and Clanking When the Unit Comes On

A common problem for older homes is banging and clanking when a system turns on. This problem can occur both during heating the home and cooling the home. Usually, this noise is caused by the rapid expansion and contraction of the ducting system which may be loose and allowed to move around a bit. Even small movements can be exaggerated because of the echo effect in the duct work.

Squeaks and Squeals Coming from the System

When the system is running another common noise that means there is a problem is high pitched squeals or squeaks. This problem is usually caused by a fan blower bearing that is starting to seize. As the bearing starts to warm up due to friction it expands and doesn’t allow the motor to turn freely. This can certainly keep you up at night as it can sometimes be very high pitched. Usually the fan motor will need to be replaced when this occurs.

Continuous Knocking or Tapping Coming from the Vents

A loose piece of duct work in the home can cause the continuous knocking coming from the vents. As the air moves through the duct work it causes it to vibrate and bang against the wall or other duct work. Another common problem with a loud knock or tapping is sometimes that offsets a fan blade so that it is not balanced. A broken blade or peices of debris can cause the balance to become offset which ends up making the fan vibrate. This vibration can sometimes cause the blade to strike the side of the shroud and produce the sound. In order to repair this the blade will need to be replaced or cleaned to bring it back into balance.

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Pops Which Sound Like Metal Popping

As the duct work in your home starts to heat up during the heating cycle it will expand and then contract when the air conditioner is on. If the ductwork is not properly installed and insulated it can start to pop due to this expansion and contraction. Sometimes the duct work can also get loose in connections and cause this problem as well.

Constant Clicking or Booms Coming from the Furnace

During the heating cycle, you may notice constant clicking or booming sounds coming from your home’s furnace before it comes on. The clicking is usually the ignition system attempting to light the furnace. Over time the ignition system may get weak and need to stay on longer for the furnace to light properly. During this time the combustion chamber may also start filling up with gas and when it ignites it can make a booming sound. While this is common, it’s always best to get the system checked by a properly trained technician when this occurs.

Be sure to contact Superior Comfort Heating and Cooling if you notice any type of strange noises coming from your heating or cooling system. We have a team of qualified professional technicians ready to help! Call us at (734) 818-7141 for service today.

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