The company has added four new models to its line of Quasar room air conditioners. Features include a new grille design with pop-out filter for easy cleaning, three-way installation compatibility, and high efficiency ratings, says the company. Energy Efficiency Ratings (EER) range from 9.5 to 11.0. To add to their efficiency, three of the models have an economy operation mode, which stops the fan whenever the compressor stops. All four units also have two cooling speeds and two fan speeds.

Panasonic Consumer Electronics Company, One Panasonic Way, Secaucus, NJ 07094; 800-211-7262; (Web site).