Air Source Heat Pump Ratings part 8: Reviews of the Global Energy Systems, Grant, Harvest, Hautec, Heim, and Heliotherm brands

BRAND----------WEBSITE----------RATING

GLOBAL ENERGY SYSTEMS--globalenergysystems.co.uk--<1* 

The ECO AIR BOILERS are made and sold in the U.K. They offer four sizes of heat pumps that are made for central heating and dhw production but their guarantee is not as good as some brands.

GRANT----------grantuk.com----------<1* 

This brand is made and sold in the U.K. but their guarantee is not as good as other brands. The AERONA range (shown here) offers units for heating only in three sizes from 6 to 16 kw. They have an integrated weather compensation control as well as state of the art inverter drive compressors for added energy savings. They have a 3 kw backup immersion heater for emergencies.

HARVEST--------harvest.cn-----------<1* 

These units are sold in Europe, Asia, and South America. They are basic models and are available in four sizes. They also offer models with durable stainless steel cabinets. Their website is not much help and does not have a stated warranty policy.

HAUTEC---------hautec.eu-----------<1*

These units are made in Germany and are available throughout Europe. The HWL-A models are made of stainless steel for durability and offer an active cooling option for comfort all year long. Their website is not much help and does not have a stated warranty policy.

HEIM----------  heim-ag.ch  ----------<1*

This brand is made by HOME HEATING SYSTEMS AG and is sold in Switzerland. They offer units for internal or external installation as well as split systems. They also feature heat pumps with inverter compressors but their website is not much help and does not have a stated warranty policy. 

HELIOTHERM----heliotherm.at--------<1* 

This brand is made in Austria and is sold throughout Europe. They offer a COMPACT unit that is designed to be mounted indoors but this concept does not make much sense. The SPLIT SYSTEM is for normal outdoor installations. They offer heating/dhw units as well as heat/cool/dhw units. The brand offers units that use a patented working fluid injection technology (dsi-technology) for added efficiency and offer modulating units to more closely match the requirements of the home. The manufacturer's website is not much help and does not have a stated warranty policy.

Other Air Source Heat Pump Brand Ratings

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