It looks like this summer is going to be another scorcher. So, it makes sense to get your A/C unit in tiptop shape—but most of us don’t have a clue how to do so. If you have an A/C with an outside ...

Summer is in full swing, and many households are running their air conditioners on full blast to keep cool and comfortable indoors. But if you’re still feeling warm on your upper floor, even with the ...