TheStreet aims to feature only the best products and services. If you buy something via one of our links, we may earn a commission. Investing in an energy-efficient AC unit isn't just good for the ...

During the warmer months, a window air conditioner can help keep your room comfortable for work, sleep, and relaxation. However, sometimes, it can fail to work as expected and leave you scratching ...

Why do window ACs actually need a window? On the surface, it feels unnecessary — after all, the unit is clearly designed to blow cold air from the front. Why can't you just set it on the floor like a ...