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 ...

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 ...

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When the furnace is working overtime, it's important to find ways to save. Find out if plastic window wrap actually works and how to use it.

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, ...

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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 ...

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.

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 ...