Heat Pump Water Heater Ratings, A Repairman Reviews The Brands...

With our heat pump water heater ratings, you can cut through all of the sales hype and find real value. We have searched the manufacturers' data and combined it with our years of hvac industry experience to provide our unique system of ratings. It truly is like taking a repairman with you while you shop!

  Top Integrated Unit: 

The PROFESSIONAL PRESTIGE series units from RHEEM have a 50 gallon storage capacity and smart controls. They are designed for easy installation with no major changes required to the water connections from a standard 50 gallon electric storage water heater. They have durable stainless steel backup electric heating elements and a user friendly LED control panel. The units have three modes of operation including a high demand mode which uses both the heat pump and the electric elements to ensure plenty of hot water. They don't offer a unit bigger than the 50 gallon and use basic tank technology (glass-lined) but the warranty is good.

 World's Best Split System: 

The INVENTOR brand offers two sizes of water heaters and features advanced inverter drive compressors. Their website is not much help but they are backed by a good warranty.

  The Best Add-On Unit: 

The Green Star retrofit model from USI Green Energy is the best bet for upgrading an existing storage water heater. The units are relatively easy to install and are backed by a good warranty.

Other Heat Pump Water Heater Ratings...

We continue our heat pump water heater ratings with an alphabetical list of manufacturers and reviews of their products.



This brand offers units that use old enameled tank technology. They are available in 220 or 300 liter sizes and are easy to install. The WPT models have electronic controls but their website is not much help and does not have a stated warranty policy. aeg-haustechnik.de


The SWP units are available with 300 liter storage tanks. They have advanced electronic controls but use traditional tank technology. The manufacturer's website is not much help and does not have a stated warranty policy. aermec.com


These water heaters are made and sold in South Africa. They offer integrated units in four different sizes with standard technology but the warranty is not as good as other brands. They offer both "direct" and "indirect" split units where the direct units can be connected to an existing water heater. The concern with this system is that the domestic hot water could become contaminated. They also offer a "split cycle" model that provides air conditioning like a typical ductless ac unit. airco.co.za

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