Air conditioner specifications are available online at the websites of air conditioner manufacturers Carrier, Rheem, Trane and Bryant, which list information about specific brands and models. The most common attributes listed are efficiency and decibel level.
Carrier and Bryant list their information based on the brand of air conditioner, dividing their product lines into high-performance, middle-of-the-road and inexpensive brands. The information includes warranty duration, efficiency ratios, capacity, power requirements and overall effectiveness.
Trane and Rheem list the physical dimensions of each air conditioner, including weight and materials used. Rheem offers its specifications sheet as a PDF for each model. Both companies list the compressor type and its number of stages.