How do I make my furnace sound quieter?

High static pressure makes airflow more audible

1. Adjust the fan speed. Your blower or furnace fan should be set to deliver the proper airflow per ton.
2. Add ductwork.
3. Add a bypass duct.
4. Add or expand grilles and registers.
5. Replace existing registers and grilles with high velocity models.

Why is my furnace so loud when running?

In order to work properly and efficiently, your furnace needs a proper mixture of air and gas. If you have too much air and not enough gas, gas can build up resulting in a loud booming sound. A thud or boom sound could also simply be the metal air ducts expanding and contracting as the temperature changes.

Why does my furnace make a high pitch noise?

A high-pitched squeal coming from your furnace is usually the result of an issue with the blower. The blower in your furnace is powered by a motor, which has bearings that can wear out because of age or overheating. Overheating is usually caused by dirt buildup or a bad capacitor.

Why does my furnace sound like an airplane?

If your furnace sounds like an airplane or jet engine taking off, it’s usually a gas issue. Gas could be leaking from a line or valve. Or, if you hear a click before the swooshing sound, you may have a broken heat exchanger that is leaking gas. Gas leaks can become emergencies.

What is duct silencer?

A sound attenuator, or duct silencer, sound trap, or muffler, is a noise control acoustical treatment of Heating Ventilating and Air-Conditioning (HVAC) ductwork designed to reduce transmission of noise through the ductwork, either from equipment into occupied spaces in a building, or between occupied spaces.

How do you fix a noisy furnace?

Fixing a Noisy Furnace

1. Select an appropriate filter. There are several filter options available.
2. Switch off your furnace.
3. Open the furnace access panel.
4. Remove the old filter.
5. Position the new filter.
6. Replace the access panel.
7. Turn on your furnace.

How do I quiet/loud air return?

Tips for How to Quiet a Noisy Air Return in Your Bedroom

1. #1 – Open all the vents: This should be the very first thing you do when you notice your air return vent is making noise.
2. #2 – Clean your vents and ducts: If you’ve opened up your air return vents and there still isn’t a reduction in noise, try cleaning them.

Should a furnace make noise?

Furnaces generally aren’t noisy, and most modern furnaces are designed for noise reduction. A properly functioning furnace shouldn’t make too much noise, especially after initially starting. One that is generally needs repairs, and the type of sound you’re hearing can help determine the exact issue with the system.

How do I Stop my furnace from making noise?

Many modern furnace models allow you to adjust the speed of the blower fan, which may eliminate the sound you’re experiencing. Contact an HVAC specialist to adjust this setting for you. You could also be hearing a high-pitched whistling sound from your air vents.

Why does my furnace make a high pitched noise when running?

Air Leak If you hear a high pitched whistling sound when using your furnace, it could be that you have a leak in the air duct system. Unless your HVAC system is new, this is usually a result of deteriorating ductwork and poor connections to the main ducting trunkline. The sound you hear is usually escaping air from one of the leaks.

Are two stage furnaces quieter?

Two-Stage or Multi-Stage Furnaces are Quieter. All you need to think of in this case is the blower in your car, or even the noise a hair blow dryer makes when its in different speed positions. Fixed capacity blowers are designed to blow at a set flow rate (measured in CFM) and they are On, or Off.

What is the quietest gas furnace to buy?

Three of the Quietest Gas Furnaces You Can Buy 1 Lennox Signature Var-Speed Furnaces ( Details | Website | Free Price Quote) 2 Carrier Infinity Series Furnaces ( Details | Website | Free Price Quote) 3 Trane XC95 Var-Speed Modulating Furnaces ( Details | Website | Free Price Quote)