As we head into what the National Weather Service predicts to be a record-hot summer, room air conditioners are not only desired but a potential lifesaver. Unfortunately, even the quietest window AC ...

If you live in an apartment in a major city, you likely have a window AC that was either a hassle to install or was there long before you moved in. If this is the case, the last thing you want to do ...

Today’s air conditioner units are smart — they can be scheduled by apps, monitor indoor air quality, and let you know when filters need to be changed. But those looking at new, room-based AC products ...

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Covering your drafty windows with plastic can reduce your home's cooling and heating costs with minimal effort CR tested popular window insulation kits, all of which were easy to install and remove, ...

Portable ACs have specific quirks to consider. Here's what I learned about buying and installing a mobile air conditioner. John Carlsen has more than a decade of experience testing and reviewing home ...

When it’s hot enough to need an air conditioner, installing one can be a chore, tempting you to cut corners. Please don’t. A poorly installed AC is at best noisy ...

Physicists at CU Boulder have designed a new material for insulating windows that could improve the energy efficiency of buildings worldwide—and it works a bit like a high-tech version of Bubble Wrap.