Air Source Heat Pump Ratings part 7, A Repairman Reviews The Brands...

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

GIORDANO-------giordano.fr----------<1* 

This brand offers both medium (GIORPAC R) and high temperature models in sizes from seven to forty two kilowatts. The manufacturer's website is not much help and does not have a stated warranty policy.

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

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

GLOW-WORM--  glow-worm.co.uk  --<1* 

The CLEARLY HEAT PUMPS range offers four sizes of units for cooling as well as heating and DHW production. They have advanced inverter compressors but their website is not much help and does not have a stated warranty policy. The brand is made and sold in the U.K.

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 offers units for heating only in five sizes from 6.5 to 15.5 kw. They have an integrated weather compensation control for added energy savings and a 3kw 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.co.uk---------<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 and sold in Switzerland. They 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 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.

HERZ---------  herz-energie.at  ------<1* 

These heat pumps are sold in Europe. The COMMOTHERM units are basic heat pumps for heating and domestic hot water production and they have passive cooling. Their website is not much help and does not have a stated guarantee for their products.

HIDROS---------hidros.eu------------<1*  

These heat pumps are made in Italy and are sold throughout Europe. The WZT models are split units that provide cooling as well as heating and are available in a variety of sizes. They use durable stainless steel plate heat exchangers and microprocessor based controls. The LZi models are one piece units with advanced inverter compressors. Their website does not have a stated guarantee for their products.

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