ASA Electronics ACM135B RV Trailer Air Conditioners – $664.72. $664.72 at Amazon. This ASA Electronis RV Trailer Air Conditioner delivers 13,500 BTU of power and uses non-ozone-depleting ...

I tested seven highly rated portable air conditioners on the market, and only one kept me from melting into a puddle.

We lab-tested popular window air conditioners to see which delivered the best cooling performance and value. ... such as the 5,000-BTU GE AHEC05AC against the 15,000-BTU Keystone KSTAW15CE.

Portable air conditioners use this unit to measure their cooling power, so the higher the BTU rating, the larger the room an air conditioner can cool. Small rooms: A 7,000-to-10,000 BTU unit can ...

For a living room or family room of 350 to 550 square feet, you’ll want a large air conditioner with 9,800 to 12,500 Btu, especially if you have an open floor plan. Here are three solid choices ...