Furnace Compare and Heat Pump Guide offer online compilations of user reviews of heat pumps, as of 2015. Both sites rank the brands based on the average of the reviews.
In addition to user reviews, both Furnace Compare and Heat Pump Guide offer additional information such as pricing, how to choose a contractor and basic buying information. As of February 2015, Amana, Bryant and Rheem were among the top 10 brands on both sites. Furnace Compare also provides information about how heat pump efficiency is calculated and rated, and Heat Pump Guide offers articles reviewing each of the major brands.