A Rheem Air Handler refers to Rheem's line of air conditioning and heating systems, which can have energy efficiency ratings between 13 to 18 on the seasonal energy efficiency ratio, depending on the model. As of February 2015, there are 15 models available in Rheem's Air Handler product category.
The machines offered by Rheem in its Air Handler product line can range between high-efficiency and standard-efficiency models. A standard-efficiency model, such as the RH1P, can have up to a 15 SEER rating alongside its PSC motor. A high-efficiency model, such as the RHPN, can feature an ECM motor and can achieve efficiency ratings of up to 18 SEER.