Add Yahoo as a preferred source to see more of our stories on Google. A reliable air conditioner is a must-have on hot summer days. Simpler and (much!) cheaper to install than an HVAC system, a window ...

If you want to stay comfortable all year round while cutting back on energy costs, then using one of the best window air conditioners with heat can help. These multifunctional AC units are efficient, ...

Erin Gobler is a personal finance writer based in Madison, Wisconsin. She writes about topics including budgeting, student loans, credit, mortgages, investing and insurance. Her work has been ...

It’s hot out. Like seriously hot. So we’ve been testing models of both portable and window air conditioners and poring over energy efficiency ratings to find promising units that can drop the ...

If you've ever installed a window air conditioner, you know it's a hassle. These beasts can weigh over 100 pounds, and there's always the fear it could fall out and squash someone below. You may be ...

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 ...