< 1 2 345 > 462 posts, read 765,213 times 1,723 posts, read 2,212,386 times How to Quiet Noisy A/C Compressor | Acoustical Surfaces - Soundproofing Blog I've been looking for ways to dampen the noise from my pool pump and came across a lot of articles on how to dampen the noise from AC units. In my search I've come across a lot of articles like the above advising to build an enclosure around it and add soundproofing material to the sides of the enclosure. I built a mini enclosure for my pool pump and used those rubber-like snap together tiles on the inside. They're the kind of tile you'd see on a gym floor. The sound is definitely less intrusive with the enclosure around it because the noise has nothing to bounce off of. Originally Posted by Lauriedeee Lauriedeee, unfortunately this is a bad idea on many levels. The AC condensers require air flow and by blocking them off you will decrease performance and possibly shorten their life not to mention make repairing and replacement more difficult.

Additionally the OP is complaining of noise inside the house... what you suggest here will make matters worse. Because putting an enclosure around the units will create an echo off the panels. how to clean an air conditioning wall unitBased on the picture shown from the link you posted.what to do when ac unit is frozen There's a reason why manufacturer's make quieter units... central air conditioner prices consumer reportsBecause they know people who don't like the noise will buy them. These tend to be more premium units with more comfort bells and whistles. Anything other than treating the root problem will give less desirous results. I didn't get in this business to offer solutions that won't work and make my job harder the next time.

Oh but you said if I spent some money on a compressor blanket that my units would be QUIET. Trigger a car alarm in the back ground... are your units still noisy now? I've been doing this for 20 years. If you want the truth I will tell you. You probably won't like it, but at least you'll have the truth. I should add here that a compressor blanket will help, but everyone's definition of quiet is different. If you go the compressor blanket route realize it's not perfect. Also post as to whether both units control temperature properly and give your indoor and out door ambient temps if you can. After a little digging... Comfort 13 Central Air Conditioner System - 24ABB3 | Carrier - Home Comfort This is most likely your unit model. (It has a scroll compressor) Noise level for this unit is rated as low as 72 decibels...not really as bad as I initially thought because upper end models are typically in the 65 decibel range. So there's really not that much difference here.

To give you an idea how much noise this is... a vacuum cleaner is rated for 70 decibels / garbage disposal 80 decibels. Is this the kind of noise you are hearing? The other side of this is performance issues... are both of the units cooling properly? Reason I ask is if the valves are bad in the compressor it will still run, but they typically make a lot more noise when this happens. Usually in these instances you will only get about a 10 degree drop across the coil. So it will still cool, just not very good and because of that it will run a lot longer, in extreme heat it will never reach temperature just run and run. The jokes go something like this... My compressor is on a fitness kick, he just runs and runs and runs. Or to the dispatcher after getting the call: I'm too tired to chase a compressor down the block... because he keeps running from me. 27,318 posts, read 24,258,848 times Google those words and you'll find plenty of sites that sell them. Here's one on Amazon.

: Customer Reviews: Brinmar SBUHD Universal-Fit Air Conditioner Compressor Sound Blanket Wrap (#0421A)A padded headboard and other soft furnishings can reduce noise. When a noisy air-conditioning unit sits on the other side of your bedroom wall, the sound may be a bit too loud. If the humming, squeaking and knocking of your air conditioner keeps you up at night, there are things you can do, short of replacing the unit, to minimize the noise. If you're really determined, you can effectively soundproof the entire room. Media Matters Sound waves travel through many media, including air and solid objects. In the case of air, any openings in the wall between you and the air conditioner let in sound. Reverberation, or echo, is important, too. With mass, or solid objects, the less dense an object is -- your outside wall, for example -- the more it transfers sound. You might have noticed that masonry houses generally are more soundproof than frame structures. Noisy Air Sealing openings around windows and doors not only blocks air leaks, it blocks sound.

Caulk openings, inside and out. Windows and outside doors should close tightly, so replace faulty locks and weatherstripping. Fill holes and cracks in exterior masonry, and interior drywall and plaster. Use acoustical caulk or foam backer rod to seal the gap between the floor and the baseboard, and precut foam pads to insulate electrical outlet covers. Even a tightly sealed window can be a big source of infiltration. Sound cannot travel through a vacuum, so consider replacing windows with vacuumed-sealed double glazing. Many manufacturers offer specially made, sound-reducing window models. Do not caulk closed an escape window. Softscaping Any air conditioning sounds that enter the bedroom echo off hard surfaces, magnifying the acoustical impact. Wall-to-wall carpeting makes a big cut in sound reverberation. Hanging soft furnishings on the wall is an age-old method of insulating against both drafts and sound. Hang tribal rugs, tapestries and quilts to beautify and quiet the bedroom. Heavy curtains you can close at night play their part, too, as does a large, upholstered headboard and upholstered seating.

Mass Is Key An effective way to dampen noise is to add mass between you and the air conditioner. Add sound-deadening density by installing a layer of acoustical drywall to the inside surface of the outside wall. You might have to remove then replace trim moldings in the process. After you finish the drywall and reinstall the woodwork, caulk the gaps. For even better soundproofing, use acoustical caulk between the old wall and the new drywall to reduce the transfer of sound waves to the new panel. Heavy, solid-core doors also are more soundproof than hollow-core doors, as are solid-wood window frames. Whole-Room Soundproofing If you still can't get peace, repeat soundproofing measures on all the walls and the ceiling. Insulate electrical outlets, switches and overhead junction boxes with acoustical wrap. The project can get complicated, so consider having a licensed contractor do the job. For example, you'll also have to remove all the moldings, recut them, and reinstall them over the new drywall.