Heat pumps aren’t always the quietest cooling systems, but a noisy heat pump shouldn’t cause so much disruption that it interferes with your daily life. If you’ve been noticing a troubling rattling noise coming from your heat pump, it’s a sign that you probably need to contact a professional. Here are some common causes for this concerning sound.
Heat Pump Is Starting Up or Shutting Down
If you have a new heat pump, you may not be familiar with all of its noises yet. It’s not uncommon for a heat pump to make some rattling sounds as it turns on and off. When the system starts up, it will often make a racket that can sound like the system shifting back and forth. When the heat pump shuts down, it can tap and click as it cycles off.
Families who aren’t used to operating a heat pump may find these sounds disconcerting at first, but you’ll likely get used to them. If you’ve had your heat pump for a while and are noticing new noises, then you should be more concerned about the rattling.
The Heat Pump Isn’t Installed Properly
Proper heat pump installation is key to minimizing noise, including:
- The unit should be securely installed with cover panels tightly screwed down.
- The base should be on a stable, flat surface.
- Rubber padding beneath the heat pump may be needed to muffle operational noise.
- Refrigerant piping needs enough room to move. If it’s secured too tightly, the piping might rattle with the refrigerant’s movement.
We can inspect your installation to ensure everything is secured correctly, adjusting parts as needed for the quietest operation.
There’s Something in the Fan
A sudden metallic rattling noise can indicate debris in the fan. The sound is often rhythmic, following the motion of the fan blades. If you notice this, shut down your heat pump immediately. Leaving debris in the fan can cause extensive damage to your fan blades. It may also make its way into the motor or other components.
Contact one of our technicians to inspect the system carefully and identify the root of the problem.
Essential Parts are Loose or Unbalanced
Several key components inside your heat pump can cause a rattling noise if they need to be repaired. An unbalanced blower wheel will rattle rhythmically as it rotates. A loose motor mount or worn compressor bearings can cause a rattle as well. These problems are easily repaired by a knowledgeable professional. Our technicians can diagnose and remedy the issue.
You shouldn’t have to suffer from an overly noisy heat pump. Our service technicians at Del-Air Plumbing, Air Conditioning, Electric can help you identify any issues with your heat pump and promptly repair the system.
Contact us today for heat pump system repairs if you’re noticing any odd noises.
