Air compressors are often loud, raucous machines – but they don’t have to be. [Eric Strebel] built a remarkably quiet compressor using parts salvaged from an old fridge. After several years of use, it ...

Q: I’m worried that my refrigerator is not cooling. I just pulled out a can of soda that’s barely cold, and I noticed my milk is also warmer than it should be. Why is my refrigerator not cooling ...

Most fridges make some kind of background noise—a hum, a soft whoosh, the occasional click. You stop noticing it…until one day you do. If the hum seems louder, longer, or more constant, your fridge ...

Having compressed air available in a workshop can be extremely useful. Having a compressor isn’t such a pleasure though, because unless it’s a very expensive model, it will be one of the noisier ...