These water heaters are made in Italy and are available internationally. The "Family" model uses the more efficient evacuated tube collectors and is available in four sizes to match the needs of your family. They have a pretty good guarantee but use basic enameled storage tank technology.
This brand offers a variety of packages to fit your hot water needs. Their website is not much help and does not have a stated warranty policy.
The SOLMATIC systems are made in Spain and use basic tank technology. Their website is not much help and the guarantee on the systems is not very good when compared to other brands.
This brand is a part of BDR THERMEA and offers packages with durable stainless steel tanks. The warranty on parts other than the solar panels is not as good as other brands.
These systems are made in Greece. They offer basic units that use the less efficient flat plate collector technology. They have a backup electric heater with adjustable thermostat for those cloudy days. The manufacturer's website is not much help and does not have a stated warranty policy.
The SONTEK systems are available in five sizes from 150 to 750 liters to match the hot water needs of the family size. The storage tanks have dual heat exchangers to easily work with the home's central boiler. They offer both on-roof and in-roof collectors but the guarantee on them is not very good when compared to other brands.
This brand is a part of the NIBE GROUP and the systems are sold in Denmark, Sweden, Norway, & Finland. They offer a variety of systems but their website is not much help and does not have a stated guarantee for their products.
This brand is available in the U.K. They offer a BUDGETKIT that you can add on to your existing storage water heater as well as their SOLARKIT in three sizes that includes a storage tank. The systems use evacuated tube collectors for efficiency and they can be purchased online. The warranty on the systems is not very good.
NU-HEAT-------- nu-heat.co.uk ------3*
This brand features systems that are designed to provide central heating as well as domestic hot water. They provide free quotes and each system is individually designed but they are only available in the U.K. They offer both roof mounted and in roof panels but they are the less efficient flat plate collectors.
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