When your furnace is running correctly, it should deliver heat without making too much sound. While it’s expected to hear your furnace making noise as it begins running, other disruptions are showing your furnace should get immediate professional assistance.
Here are some of the most reported furnace noises and what they could be signaling. If your furnace is making an atypical noise, our friendly heating pros are here to help with the best furnace repair in Northglenn, Colorado.
1. Furnace Making a Banging Noise
You may have an urgent issue on your hands if you’re detecting your furnace making a banging noise. If your furnace is making a knocking noise, it can indicate there could be a few problems. These include gas building up in your furnace or a ductwork situation.
Banging Sounds Coming from Your Furnace
Your heating system gets filthy over time, so that’s why it’s important to set routine furnace maintenance with Northglenn Heating & Air Conditioning. One of the things our professionals perform during this appointment is clean your furnace’s burners. When this part gets grimy, you could hear your furnace making a loud rumbling noise when ignition takes longer than normal. The following gas buildup can crack your furnace’s heat exchanger, where natural gas turns into warmth. Any fractures in it can emit carbon monoxide, which is normally emitted away from your home. This toxic gas can be lethal in large concentrations.
If you’re hearing banging or knocking sounds coming from your furnace, Northglenn Heating & Air Conditioning advises turning it off and calling us at 303-452-4146. Too much natural gas in your furnace or a ruptured heat exchanger are critical issues that necessitate immediate repairs.
Banging Sounds Coming from Your Ductwork
Your furnace works with ductwork to deliver heated air across your home. If the ductwork wasn’t put in correctly or is aging, it can make a lot of noise when your furnace runs. This might be the problem if your furnace makes a banging noise when it shuts off. Contact Northglenn Heating & Air Conditioning at 303-452-4146 and we’ll pinpoint the problem.
2. Furnace Making a Buzzing Noise
If you hear your furnace making a buzzing noise, don’t delay calling us. A buzzing sound usually is telling you there’s an electrical issue, like with its transformer, blower motor or capacitor.
Your furnace uses an internal transformer to work on the proper voltage. If wires or the box isn’t tight enough, you might notice a low humming noise in the furnace when off. Your furnace also works with a blower motor, which moves hot or chilly air around your space, and a capacitor, which turns on the motor. If either of these pieces are going out, they will buzz when the furnace switches on.
3. Furnace Making a Rattling Noise
If your furnace is making a rattling noise, it can be related to something little, like an unsecure screw, or something critical, like a broken component. In either case, we urge you to shut your furnace off and contacting our heating pros at 303-452-4146 for help.
4. Furnace Making a Squealing Noise
If your furnace makes a high-pitched noise, like squealing, when it’s heating, it’s trying to get your attention it could use some TLC. If you’ve neglected furnace maintenance recently, belts could be worn out or a bearing may need to be lubricated. We know that maintenance sometimes slips your mind, but our pros can get your furnace operating quietly again rapidly.
5. Furnace Making a Whistling Noise
When you’re detecting your furnace making a whistling noise, it’s likely due to an air leak in your ductwork. You could also hear whistling while the furnace is on if a floor vent isn’t secure. If you’ve checked your vents but are still sensing whistling, Northglenn Heating & Air Conditioning can assist you. It’s critical to get loose ductwork fixed fast, as it can create comfort issues in your residence and drive up your energy expenses.
6. Furnace Making a Grinding Noise
It’s not a good sign if you hear your furnace making a grinding noise. This metal-on-metal sound often means there’s an issue with your furnace’s blower. Shut down your furnace off instantly and call our pros at 303-452-4146 for help.
When you’re noticing a weird noise from your furnace, Northglenn Heating & Air Conditioning is here to help. Contact us at 303-452-4146 to book your furnace repair appointment now.