As of 2015, the top-rated heat pumps according to WebHVAC.com are the Bryant Evolution Extreme 280A, Carrier Infinity 20 Greenspeed 25VNAO, Dave Lennox Signature Collection XP25, Maytag PSH4BI iQ Drive and Trane XV20i Variable Speed heat pumps. All these pumps are modulating heat pumps.
According to its review on the Heat Pump Pro website, the Bryant Evolution Extreme 280A is one of the best heat pumps in the industry with regards to efficiency, sound and operational resiliency. This heat pump has a heating seasonal performance factor score of 13 and a seasonal energy efficient rating of 20.5, making it very cost effective, even with the initial high cost.
The Heat Pump Pro website gives the Carrier Infinity a positive review. The review claims its variable speed drives and high energy efficiency make it one of the best heat pumps on the market. The initial cost of the Carrier Infinity is high, but the pump is efficient and dependable.
The Heil DXT+ 19 Two-Stage SEER Observer is a highly rated dual-fuel heat pump. Dual-fuel heat pumps run on a lower capacity most of the time, changing when the user adjusts the thermostat or the outside temperature changes quickly. According to webHVAC reviews, the Heil has a high initial cost but is energy efficient and heats and cools areas quickly and quietly.