Ruud RSNA residential package air conditioners are available in 2-, 2.5-, and 3-ton models. The units are Energy StarÂ®-rated. The RSNA matches up with a number of accessories, including high- and low-pressure control, low ambient control, fresh-air damper, filter kits, LP conversion kits, and downflow economizers. Each unit has a CopelandÂ® ScrollÂ® compressor.
Rheem Air Conditioning Div., P.O. Box 17010, Fort Smith, AR 72917-7010; 479-646-4311; www.rheemac.com.