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I live in a studio appartment and there is a fridge in my room which makes sleeping difficult. Is there a way to reduce the noise it makes? Is it maybe possible to cover it with noise insulant without keeping the waste heat inside?

Update:

Thanks for your tips and hints. I just moved the refrigerator from the kitchen behind a little wall:

Floor plan with moved fridge

I’m wondering if I could cover this alcove with a heavy curtain (maybe using polyester fiber as HerrBag suggested). Do you think the air volume (~ 0.7 m x 1.7 m x 2.3 m) and the walls would suffice to absorb the heat (and noise) of the refrigerator?

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If you're walling off the alcove, across the front of the fridge, "sealing it", then no. –  HerrBag Mar 12 '13 at 19:09
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4 Answers 4

up vote 3 down vote accepted

Most refrigerator alcoves are mini reverberation chambers, having hard sides. You may be able to place acoustic foam behind the refrigerator to absorb the sounds.

If you're handy sewing, you could copy this design for a sound reduction blanket using polyester fiber fill used for coats. As a trial, just loop a couple of layers of the batting off a couple eye hooks and leave space for air circulation. You may have to use some twine to belt it down flat. If it works, enclose in a cotton sack stitched down like a quilt.

To be clear, I'm only suggesting a flat wall hanging, nothing to trap heat.

Acoustical Solutions AudioSeal

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Keeping the fridge full of stuff may stabilize the temperature and reduce the number of times the compressor turns on and off.

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This is also handy for power outages as the increased thermal mass helps keep the temperature stable for longer. –  Steven Mar 12 '13 at 14:16
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I've been known to fill plastic takeout containers with water and leave them in the fridge and freezer to better stabilize the temperature. Opening a fridge full of air means it nearly instantly turns to room temp and needs to start the cooling cycle all over. –  BMitch Mar 12 '13 at 14:52
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As you have deduced, the condenser coil needs to get rid of heat in order to work properly. If it cannot, the fridge will not work very well and it will eventually self destruct. So by providing a path to get rid of heat also will create a path to get rid of noise, so to speak. I suppose some elaborate baffled muffler system may attenuate the noise and still allow adequate ventilation, but such a device would take a lot of room and make the fridge inaccessible.

All you can really do is keep the coils clean so it works most efficiently. You might inspect the fan and compressor mountings, if they are perished, it would lead to excess noise. Other than that, all you can realistically do is buy a quieter fridge.

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Just turn it off at night. Run extension cord over top of the fridge. The first thing you're going to do in the morning is go to the fridge, so you'll see it and remember to plug in.

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Won't this result in the frozen food thawing out and refrigerated food spoiling? –  BMitch Oct 30 '13 at 12:10
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