Can You Make an Air Compressor Quieter?
If you’ve ever worked with an air compressor, you know about the noise. The constant humming, vibrations, and loud bursts of air can be incredibly annoying and make even the most patient person wish for a quieter solution.
But can you make an air compressor quieter? Yes, there are ways to do it. Reducing noise is possible, and the result is a safer and more enjoyable workspace. This article looks at some practical, easy-to-follow tips on how to make an air compressor quieter.
Why Air Compressors Are Loud
Air compressors, while incredibly useful, can be notoriously loud. Before you can understand how to make an air compressor quieter, you’ll want to learn why it makes so much noise in the first place.
How Air Compressors Work
Air compressors draw in air, compress it, and then store it under pressure. They then use this pressurized air to power various tools and equipment. The process involves moving parts like the motor, pistons, and valves, all of which contribute to the noise.
Common Sources of Noise
The compressor’s various components are responsible for generating noise. These parts include:
- Motor: The motor drives the compressor, and the sound of it running is one of the most significant contributors to noise.
- Vibration: As the compressor operates, it often vibrates against surfaces, amplifying sound.
- Air Intake: Compressors must pull in air; the intake process can create a loud suction sound.
- Exhaust: When the compressor releases compressed air, it can also be noisy.
Types of Compressors and Noise Levels
The amount of noise a compressor generates depends on the type. Some common types include:
- Piston vs. Rotary Screw: Piston compressors tend to be louder due to their mechanical design, while rotary screw models are typically quieter.
- Oil-Lubricated vs. Oil-Free: Oil-lubricated compressors run more smoothly and quietly, while oil-free models are often noisier but require less maintenance.
Decibel Levels
Decibels (dB) measure noise, and many air compressors operate at levels between 70 and 90 dB. This noise level is similar to what you would expect when talking down a busy street.
Measuring your compressor’s noise level can help you assess how much sound reduction you need to create a more comfortable working environment.
Simple Solutions to Reduce Air Compressor Noise
Reducing the noise of an air compressor doesn’t always require major changes. There are some simple ways to minimize noise and create a quieter workspace, like the following:
Use a Soundproof Enclosure
One of the easiest ways to reduce compressor noise is by placing it in a soundproof enclosure. You can build one using sound-dampening materials or purchase a ready-made box. The enclosure absorbs much of the noise from the motor and air intake.
However, if you build an enclosure, you must ventilate it to avoid overheating. Adding ventilation fans or air holes will help maintain airflow while keeping the noise down.
Install Rubber Vibration Pads
Air compressors often generate noise by vibrating against the floor or other surfaces. Installing rubber vibration pads beneath the unit can help.
These pads absorb much of the vibration, preventing sound transfer to surrounding surfaces. This result is a noticeably quieter compressor.
Move the Air Compressor to a Different Location
Relocating your air compressor to a less frequented area, such as a basement, storage room, or outside, can work wonders. Running longer hoses will allow you to use tools away from the noisy compressor while maintaining functionality.
This simple step can significantly reduce the sound you experience while working.
Extend the Intake and Exhaust Outdoors
Another effective solution is to extend the intake and exhaust pipes outdoors. You can reduce indoor noise levels by directing these loud components away from your workspace. However, you’ll want to use appropriate piping and fittings to maintain compressor performance.
Advanced Methods to Make an Air Compressor Quieter
If basic noise reduction strategies aren’t enough, you can use some more advanced methods to quiet your air compressor.
Upgrade to a Quieter Air Compressor
Switching to a quieter model can be a long-term solution. Oil-lubricated compressors tend to make less noise because the oil helps reduce friction and, therefore, sound during operation.
You can also look into rotary screw compressors, which are designed for continuous use and run more smoothly, producing less noise compared to traditional piston compressors. Although these models may cost more upfront, the noise reduction and performance benefits can make the upgrade worthwhile.
Install a Muffler on the Intake Valve
A common source of compressor noise is the air intake. Installing a muffler or silencer on the intake valve can reduce the loud suction noise the compressor creates as it pulls in air. These mufflers are relatively inexpensive and are compatible with most compressors.
Use Sound-Absorbing Materials
Installing sound-absorbing materials like foam panels or acoustic blankets around the compressor area can reduce noise in your workspace. These materials help absorb sound waves, preventing them from bouncing around the room.
Although this method doesn’t necessarily reduce the noise the compressor generates, it creates a much quieter environment without interfering with the unit’s operation.
Routine Maintenance
Regular maintenance is one of the most straightforward ways to make your compressor quieter. Changing the oil, replacing air filters, and tightening loose parts can reduce mechanical noise. Well-maintained compressors typically operate more quietly and last longer.
When to Consider Professional Help
No matter the method you use, getting professional assistance is well worth it. A pump expert can help you reduce noise to a comfortable level or make recommendations on your complex soundproofing needs, eliminating the guesswork along the way. A professional will also ensure you buy the right compressor to meet your needs, minimizing the problems you’ll experience in the future.
Make Your Air Compressor Quieter
Call Antler Pumps
Loud compressors can be incredibly disruptive, so putting some effort into a solution can be worthwhile if you find yourself in this scenario. Simple solutions like building an enclosure or buying a quieter model can work wonders. Still, you’ll also want to invest in the necessary maintenance to keep your unit running at optimal levels.
Antler Pumps carries a wide selection of commercial and industrial air compressors in New York City. We can also repair or rebuild your existing unit. Call us at 212.534.2500 to learn more.