Water Heater Ratings part 4, Reviews of the Coterm, Crown, CTC, Daalderop, De Dietrich, DemirDokum, Dimplex, Domotec, and Domusa brands

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The units are available in both horizontal and vertical styles. They use basic tank technology and their website is not much help.


These units are available in the U.K. and can be purchased directly through their website. The HiSTORE water heaters are wall-hung units with basic tank technology and a guarantee that is not very good when compared to other brands.


The brand is a part of ENERTECH AB. The SAPPHIRE models are available in two sizes and feature stainless steel tanks for durability and less maintenance. Their website is not much help and the guarantee on their tanks is not as good as other brands.


This brand is available in Belgium and the Netherlands. The ELEKTROBOILER units are available in sizes from 30 to 150 liters. The warranty on this brand is not very good compared to many other brands. 

DE DIETRICH dedietrich-heating.com <1* 

This brand is mostly available in Europe. The COR-EMAIL line of electric immersion units are available in a wide range of sizes. They are also available in free standing, wall mounted, and compact models. The water heaters feature advanced electronic thermostats but use old enameled tank technology.


These units are made and sold in Turkey as part of the VAILLANT GROUP. They offer wall hung models with electronic controls in four sizes. They have a titanium enameled tank and use a magnesium anode rod which requires maintenance. Their website is not much help and does not have a stated warranty policy.


The QUANTUM cylinders feature state of the art technology including electronic controls and stainless steel tanks but their guarantee is only average. The EC-EAU models are basic units with durable stainless steel tanks and they are available in seven sizes to match the hot water needs of the family.


This brand is a part of ARISTON THERMO. They offer a variety of models in either wall hung or floor standing units with a wide selection of sizes. Their website is not much help and does not have a stated guarantee for the products.


This brand is a part of MONDRAGON CORPORATION and the water heaters are made in Spain. The HYDRO range offers both vertical and horizontal mounted tanks with electromechanical controls. They use basic enameled tank technology and the warranty is not very good.

Other Electric Water Heater Brand Ratings

You can continue to browse our alphabetical list but, if you are looking for a specific brand, you can enter its name in the search box at the top of the page.

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