The best heat pump brands according to FurnaceCompare are those made by Mitsubishi, Coleman, Janitrol, Comfortmaker and Maytag. The reviewers used a ratings system based on satisfaction of individual brand models, with 1 being Very Unsatisfied to 5 being Very Satisfied. The brand ratings are averages.
Heat pumps are generally chosen according to their efficiency at both heating and cooling. Heating efficiency is shown by the pump's HSPF rating while cooling is shown through its SEER rating. The best models available in terms of efficiency tend to have a HSPF rating of 9.0 and higher and a SEER rating of 19 or higher.