As of February 2015, the Bryant plus 90 furnace model 987M is rated under the Most Efficient 2014 Energy Star guidelines, and model 986T meets all Energy Star energy efficiency guidelines. Both models are Bryant 90 plus furnaces.
The model 987M Bryant gas furnace offers up to 98.3 percent AFUE gas efficiency, and the model 986T offers up to 96.5 gas efficiency. The electrical efficiency is rated as excellent. Features of both models of the Bryant 90 plus furnaces include two-stage operation and Bryant-specific technology, such as Perfect Heat, Fan On Plus and Perfect Humidity. The furnaces feature insulated cabinets for quiet operation and external filter cabinets for easy filter changes.