As of 2015, Rheem does not offer electric-powered furnaces as part of its product offering in the heating and cooling systems category. The company does offer furnaces that are powered by either gas and oil as well as packaged heating and cooling units.
The gas furnaces are offered by Rheem can be divided into two efficiency categories, which are 80 percent and 90+ percent efficiency. The highest efficiency gas-powered furnace model available from Rheem is the Model R96V, which has an AFUE rating of up to 96 percent. The machine is also CSA certified and has a four way multipoise design with an ECM motor.