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Polar Bear Air Conditioning & Heating Inc. Blog

Have a Noisy AC? Here’s What It Means

Air conditioners aren’t supposed to be noisy by any means. Sure, if you hear air gently whooshing from your vents and a slight “click” when the system starts or stops, that’s quite normal, but anything else can be a sign that something is wrong. Air conditioners are specifically constructed by manufacturers to operate as quietly as possible, so that they don’t disturb homeowners and allow us to pretend that there’s no air conditioning running in the first place.

That being said, air conditioners that start to make noise could need some help from a professional technician. If your AC is starting to bang, squeal, rattle, or hiss, then it could be time for air conditioning service in Great Falls, VA. With this kind of service, you could see demonstrable improvements from your system and not have to listen to uncomfortable noises anymore. Keep reading to find out more!

Obnoxious Noises

Fixing an air conditioner problem that’s causing noises isn’t just about making the system run better, it’s also about making your home more comfortable. Listening to air conditioner noises all day can range from obnoxious to downright torture, and by fixing that problem your life can get a lot easier. Let’s take a look at some of the most common AC noises that we see and talk about what they could mean.

Hissing and Bubbling

This is one of the more common noises we address when homeowners call us. Luckily, the problem is pretty overt and easy to detect, but fixing it can be a whole other can of worms. Hissing and bubbling noises usually mean there’s a leak in your refrigerant lines. While it’s easy enough to patch this leak and recharge your system, there’s another point that needs to be addressed. Why was your air conditioner leaking refrigerant in the first place? Schedule service with our team to get to the bottom of why your leak happened.


There are many components in your air conditioner that need to be screwed tightly in place for the extent of the lifespan. As we all know from creaking furniture, rusty bolts, and other screwed in machinery in our lives, these parts can loosen and eventually start to rattle. Rattling might not be serious the moment you hear it, but it always leads to more complicated (and expensive) problems down the line that you’re better off avoiding.


Fan motors and blower motors can begin to squeal when they’re going bad. No, they’re not run by pigs or anything that squeals naturally, there are usually rubber belts that need to be replaced and start squealing when they fall into disrepair. Address this problem quickly before it turns serious.


Imagine a component breaks off of your air conditioner but is stuck inside. What do you think it would do? It’s going to be jostled around and bang against your air conditioner of course! Banging usually occurs when a part breaks off your AC but is stuck inside the compressor or other interior sections of your system. This should be addressed ASAP before that broken part jostles something else and causes a breakdown.

Thankfully, the team at Polar Bear Air Conditioning & Heating Inc. can solve your AC problems. Call us today!

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