For extra large spaces, you need a powerful air conditioner, and the Kenmore 25,000 Btu Air Conditioner 75251 (Sears item 04275251000) is a cost-effective option. This unit's massive output lets you cool rooms in excess of 1,000 square feet without even breaking a sweat.

And the heavy-duty cooling power does not come at the expense of energy efficiency. This model has an Energy Efficiency Rating (EER) of 8.5, which is fairly moderate. The Kenmore 25,000 Btu Air Conditioner 75251 has an easy-to-operate touchpad, which lets you turn the temperature up and down, or put the unit into sleep mode or on a 12-hour timer. It also comes with a remote control.

This model has three cooling speeds and three fan-only speeds, and lets you set the air direction with four-way adjustable vertical and horizontal louvers. The Kenmore 25,000 Btu Air Conditioner 75251 also has an automatic restart feature in case the power fails.


Pros: Heavy-duty cooling power
Cons: Few additional features

Warranty
1 year, parts and labor; 5 years, sealed system