Air Source Heat Pump Ratings, A Repairman Reviews The Brands...

With our air source heat pump ratings you can cut through the sales hype and find value. It really is like taking a repairman with you while you shop. We have done the research and ranked the brands using our years of experience in the HVAC industry.

These reviews are for air to water heat pumps which use a hydronic system for heating and/or cooling the home as well as for domestic hot water production.

We have given you our top pick followed by a complete list of manufacturers and their ratings.

World's Best ASHP:

The R/OPACK units from NEXTHERM have advanced inverter drive compressors and are for heating/cooling. They are available in five sizes to closely match the needs of the home and are also capable of providing the domestic hot water for the home.

The brand is made in France and is backed by a very good warranty.

Other Air Source Heat Pump Ratings

We continue our air source heat pump ratings with an alphabetical list of manufacturers and reviews of their products. You can continue to browse our list but, if you are looking for a specific brand, you can enter its name in the search box at the top of the page.


This brand is from AERMEC SpA which is a part of the RIELLO GROUP and the systems are available worldwide. The ANK models are basic heat pumps with durable scroll compressors while the ANKI models have state of the art inverter compressors. They are monoblock units where everything is installed outside of the home. The HBI model is a split unit with the compressor outside and the hydronic package on the inside which is easier to install in some conditions. The manufacturer's website is not much help and does not have a stated warranty policy.

AIRWELL------  -----<1*

The PAC HT units are available in both split and monoblock models. They feature two stages of operation but use dual compressors to accomplish this which is not the preferred method. They use 50 HZ power which is not compatible with the grid in North america.

AKL------------  -----------<1*

These heat pumps are made in China and are sold in Europe, Asia, & South America. The F1/V1 models feature advanced inverter drive compressors and they are available in four sizes. The F1 models are split systems while the V1 units are single piece units that are mounted outside the home. They are for heating, cooling, and DHW production but their website does not have a stated guarantee for the units.