When your furnace is running properly, it should provide heat without generating too much noise. While it’s common to catch your furnace making noise as it begins running, other sounds are signaling your furnace needs immediate professional help.
Here are some of the most common furnace noises and what they might be indicating. If your furnace is making a weird noise, our friendly heating specialists are here to fix the problem with the best furnace repair in Tucson and Phoenix, Arizona.
1. Furnace Makes a Banging Sound
You may have an urgent issue on your hands if you’re noticing your furnace making a banging noise. If your furnace is making a knocking noise, it can indicate there could be a few problems. These range from gas building up in your furnace or a ductwork problem.
Banging Sounds Coming from Your Furnace
Your heating system becomes filthy over the years, so that’s why it’s essential to book yearly furnace maintenance with Desert Husky HVAC/R Services. One of the things our professionals perform during this appointment is clean your furnace’s burners. When this piece gets grimy, you may hear your furnace making a loud rumbling noise after ignition takes more time. The ensuing gas buildup can fracture your furnace’s heat exchanger, where natural gas turns into warm air. Any cracks in it can discharge carbon monoxide, which is normally emitted outdoors. This toxic gas can be lethal in large concentrations.
If you’re aware of banging or knocking sounds coming from your furnace, Desert Husky HVAC/R Services urges you to turn it off and calling us at 520-416-5415. Too much natural gas in your furnace or a fractured heat exchanger are dangerous troubles that require immediate attention.
Banging Sounds Coming from Your Ductwork
Your furnace relies on ductwork to provide warm air across your residence. If the ductwork wasn’t put in right or is getting dated, it can be loud when your furnace is heating. This can be the problem if your furnace makes a banging noise when it shuts off. Contact Desert Husky HVAC/R Services at 520-416-5415 and we’ll figure out the problem.
2. Furnace Buzzes Constantly
If you hear your furnace making a buzzing noise, don’t delay calling us. A buzzing sound often means there’s an electrical situation, like with its transformer, blower motor or capacitor.
Your furnace relies on an internal transformer to operate on the proper voltage. If wires or the box needs to be tightened, you could hear a low humming noise in the furnace when off. Your furnace also uses a blower motor, which sends heated or cooled air across your home, and a capacitor, which turns on the motor. If either of these components are fading, they will buzz when the furnace turns on.
3. Furnace Rattles
If your furnace is making a rattling noise, it may be the result of something small, like a loose screw, or something critical, like a broken part. In either case, we urge you to shut your furnace off and getting in touch with our heating professionals at 520-416-5415 for assistance.
4. Furnace Squeals
If your furnace makes a high-pitched noise, like squealing, when it’s heating, it’s trying to get your attention it requires some TLC. If you’ve forgotten furnace maintenance the past few years, belts could be worn down or a bearing could need to be greased. We are aware that maintenance frequently slips your mind, but our techs can get your furnace operating quietly again fast.
5. Furnace Makes a Whistling Sound Like Air Escaping
When you’re detecting your furnace making a whistling noise, it’s frequently because of an air leak in your ductwork. You may also be aware of whistling while the furnace is operating if a floor vent isn’t secure. If you’ve looked at your vents but are still noticing noise, Desert Husky HVAC/R Services can assist you. It’s critical to get loose ductwork repaired quickly, since it can create comfort problems in your home and drive up your heating costs.
6. Furnace Makes Noise that Sounds Like Scraping Metal
It’s not an encouraging sign if you detect your furnace making a grinding noise. This metal-on-metal noise usually means there’s trouble with your furnace’s blower. Shut down your furnace off immediately and reach us at 520-416-5415 for assistance.
When you’re hearing an uncommon noise from your furnace, Desert Husky HVAC/R Services is ready to help. Contact us at 520-416-5415 to schedule your furnace repair appointment today.