The HEATSTAR units feature advanced inverter drive compressors and are available in either split or monobloc units as well as an "all-in-one" model that has a built-in water heater tank. They have dual temperature setpoints for the independent control of two separate heating systems. The brand is made in China and their website is not much help.
The BBC SILENZ range offers units for installation indoors as well as outdoor models. They are basic heat pumps for central heating and dhw production. The OPTIM'DUO units are designed for the low energy home industry. They have the heat pump and domestic water storage in the same unit with discreet ducts to the outside. The brand is made in France but the guarantee on the units is not as good as some of the other brands.
This brand is made in China by GUANGDONG LETTER O HEAT PUMP CO. LTD and offers three sizes of heat pumps. They are sold through authorized distributors in China but their website is not much help and does not have a stated warranty policy.
ATLANTIC-- atlantic-comfort.com -<1*
The ALFEA' line offers a variety of units that use inverter drive compressors as well as units with built-in gas or oil burners. The EXCELLIA DUO models are combination units that provide domestic hot water as well as optional cooling for the home. The manufacturer's website is minimal help and does not clearly state the guarantee on their products.
AXEN----- axen-heatpump.com ----<1*
The ECO THERMA units are for heating/cooling/dhw while the EVI ECO heat pumps are for cooling and heating. The brand is made in China and features durable stainless steel plate heat exchangers.
These units are made in Germany and are sold throughout Europe but have a very limited network. They offer both units for indoor and outdoor installation. They feature scroll compressors and stainless steel heat exchangers for durability and offer a two stage model. The manufacturer's website is not much help and does not have a stated warranty policy.
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