World's Best Solar Water Heater :

Our top selection for a solar water heater is from BAXI which is a part of BDR THERMEA. The SOLARFLO systems use adjustable differential temperature regulation to maximize your solar savings. The collector kits are available for integrating into the roof, mounting on a sloped roof, mounting on a flat roof, and in evacuated tubes instead of flat plate collectors. The systems are backed by a very good guarantee. baxi.co.uk

Other Solar Water Heater Ratings

We continue our solar water heater ratings with an alphabetical list of manufacturers and reviews of their products. 

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

AES---------------aessolar.co.uk----<1*

These systems are made and sold in the U.K. The standard kits do not include the storage tank but they do offer to include them. The warranty on the kits is not very good when compared to other brands. 

ALPHA---  alpha-innovation.co.uk  --<1*

This brand is from ALPHA HEATING INNOVATION which is a part of IMMERGAS GROUP and is available in the U.K. The SOLARSMART kits use a drainback tank for freeze protection. They have a patented "solar valve" which sends water directly from the solar heater to the tap, if the temperature is >60C. If the temperature is <60C, the water is sent from the solar heater to the combi boiler for further heating. The collectors can be mounted in the roof or on the roof as well as used on flat a flat roof. The brand has a good guarantee on the collectors and the tank but not the other parts. 

AMERICAN-americanwaterheater.com-<1*

This brand is a part of AO SMITH. The standard systems include the basic parts for installing the system while the deluxe packages include the materials such as flashing, etc. to install the panels on the roof. The systems are available in sixteen different configurations to suit just about any need. The warranty is very complicated and the guarantee on parts (except for the storage tank and panels) is not as good as many other brands. 

ANAGES---------anages.com-----<1*

These water heating systems are made in Turkey and the warranty on the units is not very good. 

ANDREWS-andrewswaterheaters.co.uk-<1*

This brand is a part of BDR THERMEA and is available in the U.K. The SOLARFLO systems are available with either flat plate or evacuated tube collectors. They have durable stainless steel heating coils and a good guarantee on the panels but not the complete system. 

A.O. Smith------hotwater.com--<1*

The Cirrex solar electric system is a closed loop active system from one of the leading water heater manufacturers. The systems are available in sixteen different configurations to suit just about any need. They use Chromagen flat plate collectors and basic tank technology with a sacrificial anode for corrosion protection. The warranty is very complicated and the guarantee on parts (except for the storage tank and panels) is not as good as many other brands. 

AS SOLAR------as-solar.com----<1*

These systems are made in Germany and sold throughout Europe. The COMPACT system is available in four sizes and is for domestic hot water production. The PREMIUM package is available in five sizes and is designed to produce domestic hot water and to supplement a central heating system. The manufacturer's website is not much help and does not have a stated warranty policy. 

ASTERSA---------astersa.net----<1*

These systems are made in Spain and sold in Europe. They offer systems in three sizes (150, 200, 300 liters) with an optional backup immersion element and thermostat. 

ATLANTIC--  atlantic-comfort.com  --<1*

The SOLERIO systems are available with either 300 or 400 liter tanks. They use basic glass lined technology but have longer lasting ohmic magnesium anodes. 

BAXI-------------baxi.co.uk--------5*

The SOLARFLO systems use adjustable differential temperature regulation to maximize your solar savings. The collector kits are available for integrating into the roof, mounting on a sloped roof, mounting on a flat roof, and in evacuated tubes instead of flat plate collectors. The systems are backed by a very good guarantee. 

BERETTA--berettaboilers.com--<1*

These water heaters are available in Europe, China, and South America. The FKB-SOL systems use flat plate collectors and are available in five sizes. Their website is not much help and does not have a stated warranty policy. 

BUDERUS--------buderus.de--------<1*

This brand is a part of BOSCH THERMOTECHNOLOGY CORP. The LOGAPLUS solar packages offer a choice of flat plate or evacuated tube collectors. The manufacturer's website is not much help and does not have a stated warranty policy. 

BULEX-----------bulex.be-----------<1*

This brand is a part of the VAILLANT GROUP and is available in Belgium. The HELIO SET packages are available in three sizes but the standard warranty is not very good when compared to other brands. 

BUTLER--butlersunsolutions.com----1*

This brand is a great option for "add on" solutions and the system pump can be powered by solar as well. The units feature the "solar wand" which is a screw in heat exchanger that allows for the easy connection to an existing water heater. The umbilical system allows for quick connection of system parts. You can purchase the units online from the manufacturer but the warranty is not as good as some of the other brands.

CALEFFI--------caleffi.com--------1*

This brand offers five different systems to match the needs of your home. They are available worldwide but the warranty is not as good as some of the other brands. 

CALPAK------calpak.gr-------------<1*

These water heaters are made and sold in Greece. They feature efficient vacuum tube collectors but their website is not much help.

CARINCI---termocaminicarinci.it---<1*

The ACS water heating systems are made in Italy and are available in four sizes. Their website is not much help and does not have a stated guarantee for their products. 

CHAUFFAGE FRANCAIS  chauffage-francais.fr <1*

This brand is a part of the RIELLO GROUP and is available in France. The SOLENNE E systems are available in 300, 400, or 500 liter sizes. The solar collectors can be integrated into the roof or mounted on the roof. The warranty is not very good when compared to other brands. 

CHOFU--------chofu.co.jp-----------<1*

These units are made and sold in Japan by CHOFI SEISAKUSHA CO. LTD. The HSG-200 model incorporates a gas fired backup and all of the controls/pump are in a nice packaged unit. They have a durable stainless steel tank but use basic flat plate collectors. The manufacturer's website is not much help and does not have a stated warranty policy. 

CHROMAGEN----chromagen.com---<1*

This brand is available internationally and offers a wide selection of systems. They use standard technology and the warranty on the closed loop systems is not as good as many brands. The warranty on the open loop systems is better when compared to other brands. 

CLEARLY SOLAR-- glow-worm.co.uk -<1*

This brand is from GLOW WORM which is a part of the VAILLANT GROUP and is available in the U.K. The system uses differential temperature control to maximize your solar savings. They have a three speed circulator pump and 3kw backup immersion heater but their website is not much help and does not have a stated guarantee for the systems.

COMISA----------comisaenergy.it-----<1*

The COMPACT 300 systems feature a tank with an integrated control system and pump. They offer systems with evacuated tube collectors as well as the standard flat plate collectors. Their website is not much help and does not have a stated warranty policy. 

CUBE--------------cubefrance.fr-------<1*

These systems are made and sold in France. They offer both evacuated tube and flat plate collectors but their website is not much help and does not have a stated guarantee for the systems. 

DAIKIN------------daikin.co.uk--------<1*

This brand offers basic systems with flat plate collectors. Their website is not much help and does not have a stated warranty policy. 

DE DIETRICH  dedietrich-heating.com  <1*

The INISOL systems are made in France by GROUP BDR THERMEA. They are available in four sizes and as either in-roof or on-roof packages. The DIETRISOL systems are available as standard domestic hot water systems or combination systems that provide central heating as well as domestic hot water. Their website is not much help and does not have a stated warranty policy. 

DIMAS----------dimas-solar.gr  ---------<1*

This brand offers systems that use the most basic technology. Their website is not much help and does not have a stated warranty policy. 

DIMPLEX--------dimplex.co.uk------------2*

This brand is a part of the GLEN DIMPLEX GROUP based in Ireland. The systems feature a variable speed pump for energy savings and a nice control panel. The pump station is compact and the storage tank has a backup electric immersion element. They offer both integrated and on-roof mounting options and the systems are backed by a good guarantee. 

DOMOTEC--------domotec.ch------------<1*

This brand is a part of ARISTON THERMO and the SOLARIS systems are available in 300 liter or 500 liter sizes. Their website is not much help and does not have a stated warranty policy. 

DOMUSA---------domusa.es-------------<1*

These systems are made in Spain and the brand is a part of MONDRAGON CORPORATION. The DS-PACK systems are available in sizes from 190 to 750 liters while the DS-MATIC is a drainback system. They feature durable stainless steel storage tanks but their website is not much help and does not have a stated guarantee for their products. 

DUDA------------dudadiesel.com--------<1*

This brand offers a wide selection of kits for DIY installation. They feature the more efficient vacuum tube collectors but the guarantee on the systems is not very good when compared to other brands.

DUX---------------dux.com.au----------<1*

This brand is a part of GWA INTERNATIONAL LTD and is available in Australia. The SUNPRO systems are available in either open or closed loop models in 250, 315, or 400 liter sizes. They are available with either electric or gas boost but the warranty on the systems is not very good. 

ECA TECHNOLOGY-----ecatech.it-------<1*

This brand is made in Italy and available in Europe. The forced circulation kits are available in sizes from 150 to 500 liters. Their website is not much help and does not have a stated guarantee for their products. 

ELCO--------------elco.net---------------<1*

This brand is available in Europe. They offer eight different packs (kits) to meet the specific needs of the home. They offer both flat plate collectors and evacuated tube collectors. The manufacturers' website is not much help and does not have a stated guarantee. 

EMMETI------------emmeti.com---------<1*

The HE1 systems are basic solar water heating systems. The brand is available in Europe but their website is not much help and does not have a stated guarantee for their products. 

ENERWORKS------enerworks.com------<1*

This brand is made in Canada and is sold/installed by dealers only. The SPECTRUM LINE offers basic systems but the warranty on the systems is not as good as many brands. 

ERASLAN--------eraslan.com.tr---------<1*

This brand is made in Turkey. The SKYLIGHT systems are available in four sizes but use basic enameled tanks. Their website is not much help and does not have a stated guarantee for their products. 

EVOSOLAR--------evosolar.eu-----------<1*

This brand is from JOMAR INTERNATIONAL. The PLUS line features several different systems to match the domestic hot water needs of your family while the PRO line offers systems that also produce hot water for central heating. Their website is not much help and the warranty is not very good when compared to other brands. 

EXTRAFLAME--  lanordica-extraflame.com  --<1*

This brand is made in Italy and sold in Europe. They offer systems in sizes from 150 to 1000 liters but the warranty on the collectors is not very good. 

EZINC-------------ezinc.com.tr----------<1*

This brand is made in Turkey and is available worldwide. They offer systems in three sizes from 200 to 500 liters. Their website is not much help and does not have a stated warranty policy.

FAFCO--------------fafco.com--------<1*

The 500 series systems are pumped closed loop systems with an option to include a pv panel to power the system. This could be useful in cabins or other off-grid situations. The warranty on the panels is good but for the other parts of the system the guarantee is not very good. 

FERROLI------------ferroli.it----------<1*

These systems are made in Italy and are available in Europe. Their FORCED FLOW KITS are available in three sizes to match the needs of the home and feature quick couplings for easy installation. The manufacturer's website does not have a stated warranty policy. 

FIREBIRD---  firebird-solar.com  ----<1*

These systems are made in Ireland and are available throughout the U.K. The ENVIROSOL range offers systems with either flat plate or evacuated tube collectors. Their website is not much help and the warranty on the products is not as good as other brands. 

FONDITAL----------fondital.it---------<1*

This brand is made in Italy and offers four sizes of systems. The SULPACK EASY systems are designed to work with combi boilers while the SULPACK PRO systems are designed to work with heating only boilers. Their website is not much help and does not have a stated guarantee for the systems. 

FONTECAL---------fontecal.it---------<1*

This brand is made and sold in Italy. The FONTESOL F kits also contain a boiler for backup water heating. The systems are available in sizes from 150 to 800 liters. 

FRISQUET----------frisquet.fr---------<1*

These systems are made and sold in France by CHILLY SA. The UPEC systems use evacuated tube collectors and are available in 300 or 400 liter sizes. Their website is not much help and does not have a stated warranty policy. 

FVG ENERGY-------fvgenergy.com---<1*

This brand is made in Italy and offers four sizes of systems. They use more efficient vacuum tube collectors but the guarantee on the systems is not very good when compared to other brands. 

GALMET---------galmet.com.pl-------<1*

This brand is made and sold in Poland. They offer kits with evacuated tube or flat plate collectors but their website is not much help and does not have a stated guarantee for their products. 

GAODELE----------gaodele.com------<1*

These systems are made in China by ZHEJIANG GAODELE NEW ENERGY CO. LTD. They are available in six sizes to match the needs of the home but use basic technologies. The manufacturer's website does not have a stated warranty policy. 

GASOKOL----------gasokol.at---------<1*

These units are made in Austria and are sold throughout Europe. They feature flat plate collectors which are less efficient and the warranty is not as good as some other brands. 

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

These systems are made in France and feature stainless steel storage tanks for durability. The Giorsol systems are available as drainback (KSV) or open loop (KSH). The manufacturer's website is not much help and does not have a stated warranty policy. 

GLOW-WORM  glow-worm.co.uk  --<1*

The CLEARLY SOLAR systems are made and sold in the U.K. The brand is a part of VAILLANT GROUP but their website is not much help and does not have a stated guarantee for their products. 

GRANT----------grantuk.com--------4*

This brand offers kits that are made and sold in the U.K. The collectors can be mounted either on or in the roof. The pump station includes an air eliminator which allows for simultaneous filling and air purging. The system uses differential control and uses a three speed pump. They have a dealer locator by postcode on their website and the units offer a good guarantee. 

HaiLin-------en.hailin.com----------<1* 

This brand is made in China and is available through a limited distribution network. They offer four sizes of systems for residences that feature a nice touchscreen control. The manufacturer's website is not much help and does not have a stated warranty policy. 

HARREITHER-----harreither.com---<1*

The SOLAR STAR systems are made in Austria and are sold throughout Europe. The panels can be in-roof or on-roof mounted and they offer all of the parts of a system but not in an easy package. Their website is not much help and does not have a stated guarantee for their products.

HEAT TRANSFER--htproducts.com--<1*

This brand is available in the U.S. and features evacuated tube collectors for efficient operation. This brand also features stainless steel tanks for a long life. The PHOENIX solar water heater includes an integrated high efficiency gas fired backup heater with load matching modulation. The SUPERSTOR models feature either an integrated electric backup heater or a second heat exchanger for a backup boiler. HTP does not make the collectors or parts other than the tank/backup heater and the warranty on other parts of the system is not very good when compared to other brands. Their products are available in Canada as well as the USA but only through their dealer network.

HELIATOS--------heliatos.com------<1*

These systems are kits for the do it yourself homeowner and are to be added to an existing water heater. The systems are available in Australia as well as the USA and Canada. They can be purchased directly from their website but it does not have a stated guarantee for them. 

HELIODYNE------heliodyne.com----<1*

This brand offers several different packages to meet the needs of various areas and sizes of homes. The systems can be easily added to existing storage water heaters. 

HELIONAL-----------helional.com----<1*

Their HELIOKIT systems contain everything in a simple package but the guarantee is not very good. They use basic flat plate collectors but are available in six sizes to match the needs of most homes.

HEWALEX-----------hewalex.eu------<1*

These water heating systems are made in Poland and are sold throughout Europe. They offer systems with evacuated tube or flat plate collectors but their website is not much help and does not have a stated warranty policy. 

HOVAL----------  hoval-solar.com  --<1*

This brand is available in Europe. The SOLCOMPACT systems are available in water heating only or water heating with central heating backup. They offer simple plug and play installation but their website is not much help and they do not have a stated warranty policy. 

IBC----------  ibc-heiztechnik.de  -----3* 

These units are made in Germany and are available in Europe. They offer packages with either evacuated tube or flat plate collectors to match your budget. The manufacturer's website is not much help but the systems are backed by a very good guarantee. 

IDEAL----------idealboilers.com------<1*

This brand is from the IDEAL STELRAD GROUP and is available in the U.K. They offer three packs to fit the size of your home (small, average, large properties). The systems use differential temperature control and a variable speed pump to maximize your energy savings. The guarantee on the systems is not very good.

IMMERGAS--------immergas.com----<1*

This brand is available in Europe and offers systems with either flat plate or evacuated tube collectors. They are available in three sizes but the manufacturer's website is not much help and does not have a stated warranty policy. 

IVT-----------------ivt.se--------------<1*

The SU 300E water heating systems are available in Europe. The brand is a part of BOSCH THERMOTECHNOLOGY GROUP. Their website is not much help and does not have a stated guarantee for their products. 

JASPI---------------kaukora.fi--------<1*

This brand is made in Finland and is available in parts of Europe. The SOLAR-300-PAK is a complete system that is offered. It features on-roof mounted flat plate collectors but does not offer other options such as in-roof or ground mounted systems. The systems have an auto air eliminator for convenience and hassle free operation as well as integrated backup immersion elements in the tank. Their website is not much help to the consumer and does not have a stated warranty policy. 

JOULE------------joulesolutions.ie---2*

These systems are made and sold in Ireland. They offer a variety of options including flat plate or evacuated tube collectors. The systems are backed by a pretty good guarantee.

KELVINATOR---kelvinator.com.au--<1*

This brand is from ELECTROLUX and offers a variety of systems. The SOLARKNIGHT panels are available in either flat plate or evacuated tube but the systems use basic tank technology. The guarantee on the systems is not very good when compared to other brands. 

KINGSPAN---kingspanenviro.com---2*

These water heating systems are available in the UK and Ireland. They are custom designed for each residence and come as a complete package. They are available with either flat plate or Thermomax evacuated tube collectors and have advanced digital controllers. They are backed by a good guarantee. 

KLOBEN-----------kloben.it----------1* 

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. 

KOSPEL-----------kospel.pl--------<1*

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. 

LAPESA------------lasian.es--------<1*

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.

MAIN-------mainheating.co.uk-----<1*

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. 

MEGASUN--------helioakmi.com--<1*

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. 

MESCOLI-----mescolicaldaie.it-----<1*

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.

METRO THERM---metrotherm.dk--<1*

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. 

NAVITRON-------navitron.org.uk---<1*

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.

ORKLI---------------orkli.es------------<1*

The OKSUL-150 is a compact system with everything contained in the panels. The system includes a dc pump that is powered by its own photovoltaic panel and a 150 liter tank. The system can be mounted in the roof for better curb appeal and is easier to install because it does not require connection to the home's electric system. Their website is not much help and does not have a stated guarantee for their products. The brand is a part of MONDRAGON CORPORATION and the units are made in Spain.

OVENTROP------  oventrop-us.com  ----1*

These systems are made and sold in the USA. They offer two sizes of packaged systems (80 or 115 gallon) and feature stainless steel storage tanks for durability and evacuated tube collectors for efficiency. The warranty on the systems is not as good as some of the other brands and they do not tell you how you can purchase the systems.  

RHEEM-------------rheem.com--------<1*

This brand is a part of PALOMA INDUSTRIES and the systems are available in the USA but not in Canada. The SolPak systems are available in either 80 or 119 gallon capacities and with electric or gas fired backup heating. They use flat plate collectors and have a multi-speed pump. The warranty on the systems is not as good as other brands.

RICHMOND-richmondwaterheaters.com-<1*

These water heating systems are made by Rheem Manufacturing. Their SolPak systems are available in 80 or 120 gallon sizes but the warranty is not as good as some other brands. 

RM SOLAR----rmcylinders.com-------<1*

This brand is made and sold in the U.K. The S CLASS SYSTEM consists of a complete kit with panels that can be either mounted on or in the roof. The ECONRANGE systems have a warranty that is not as good and receive a <1* rating. 

ROTEX------  rotex-heating.com  ----<1*

These systems are made in Germany and are sold throughout Europe. The SOLARIS systems are available as automatic drain back systems or as closed loop systems and feature basic flat panel collectors. Their website is not much help and does not have a stated warranty policy. Rotex is a part of the DAIKIN GROUP. 

SIDITE-----  sidite-solar.com  -------<1*

This brand is made in China by ZHEJIANG SIDITE NEW ENERGY COMPANY LTD. The units have all of the basic features including a backup electric heater for those cloudy days. The systems feature durable stainless steel inner tanks but the manufacturer's website is not much help and does not have a stated warranty policy. 

SKYLINE--------solarroofs.com----------2*

This brand is available in the U.S. and Canada from ACR SOLAR INTERNATIONAL. The SKYLINE 5 systems are available for easy DIY installation with their no solder loop connections. The systems have a PV panel to power the pump so that regular electrical power is not required. They have an online store where you can purchase the systems and they are backed by a decent warranty. 

SMART SOLAR -energykinetics.com-<1*

This brand is from ENERGY KINETICS and offers low profile panels and a closed loop system. The warranty is not very good and the manufacturer's website is not much help.  

SOLAHART------solahart.com---------<1*

This brand is from the PALOMA GROUP and is available worldwide but only through its authorized dealers. The STREAMLINE systems offer either electric or gas backup heaters but the guarantee on the solar collectors is not very good. 

SOLAR HOT-------solarhotusa.com---<1*

This brand offers systems with durable stainless steel tanks but the warranty is not as good as many other brands. The SolVelox systems are designed to convert an existing water heater to a closed loop solar water heater with a unique pump, heat exchanger, and control unit all in one piece. Their website does not give you much help in purchasing the units.

SOLAR BOILER  thermo-dynamics.com  3*

These systems are made in Canada and are available in two sizes to match the needs of your home. The systems include a solar powered pump and they are backed by a very good warranty. The solar storage tank is not included in the package but you can use your old storage type water heater. 

SOLAR-MIO -metaldynamics.com.au--<1*

The brand is a part of the ALBURY CONSOLIDATED GROUP and the systems are available in Australia. Their website is not much help and the warranty on the units is not very good. 

SOLENE------------solene.com---------<1*

This brand is from UMA SOLAR and offers both open and closed loop systems as well as drainback systems. Their SIMPLE DRAINBACK system is an inexpensive option that is easy to install as it keeps the system basic. The systems are sold through dealers and the manufacturer's website is not much help. 

SOL-RELIANT------solreliant.com------<1*

This brand is from MR. SUN SOLAR and offers kits that are shipped worldwide for the do-it-yourselfer. They have a built-in photovoltaic panel and a dc pump to provide the electricity that is needed. They use a 80 gallon storage tank that is made by RHEEM but the kit does not include the copper connecting pipe or the antifreeze (glycol). For the most part, the warranty is good but the guarantee on the collectors is not as good as many brands. 

SONNENKRAFT---sonnenkraft.com--<1*

These units are made by GENERAL SOLAR SYSTEMS which is a part of the SOLARCAP GROUP. The COMPACT system is a basic water heating system while the COMFORT systems provide hot water for the central heating system as well as the domestic hot water. They use the more efficient evacuated tube collectors but the manufacturer's website is not much help. 

STATE-----statewaterheaters.com--<1*

The PREMIER range of solar water heaters features 16 different package combinations to match the specific needs of the home. They feature CHROMAGEN brand collectors which are backed by a good warranty. The other parts of the package do not have a very good warranty and the systems are only sold and installed by authorized dealers. 

STIEBEL ELTRON  stiebel-eltron.de  --<1*

This brand is available worldwide. The standard sets are for dhw production and are available in three sizes (300, 400, 600 liters) while the premium systems are for central heating as well as dhw production. 

STREBEL---------strebel.at----------<1*

This brand is made in Austria and sold throughout Europe. They offer two solar packages (300 or 500 liter) and use evacuated tube collectors. Their website is not much help and does not have a stated guarantee for the systems. 

SUNCHI--------suntchenergy.com--<1* 

These systems are made in China. They offer seven sizes of systems using evacuated tube collectors but their website is not much help and does not have a stated warranty policy. 

SUNFLOWER  sunflower-solar.com--<1*

This brand is made in China and the SFB SERIES is available in seven sizes to match the hot water needs of the home. The systems use efficient evacuated tube collectors but their website is not much help and does not have a stated guarantee for their products. 

SUNMAXX----sunmaxxsolar.com----<1*

This brand is sold through dealers in the U.S. The HELIOMAXX kits are available with either flat plate collectors or the more expensive/efficient evacuated tubes. The guarantee on the tanks is not very good when compared to other brands. 

SUNSCAN---------sunscan.co.za----<1*

These water heaters are available through dealers in South Africa. The SunSeeker range uses evacuated tubes while the SunSaver uses basic flat plate collectors. Their website is not much help and does not have a stated guarantee for their products. 

SUNSTAR----  sunstar-solar.com  --<1*

This brand is made in China by CHANGZHOUS BLUECLEAN SOLAR ENERGY. They offer a variety of units that use efficient evacuated tube collectors and have durable stainless steel inner storage tanks. Their website is not much help and the warranty is not as good as many brands. 

SUNSTORM-------sunstorm86.com--<1*

These units are made in China by HAINING SANXI SOLAR ENERGY INDUSTRY CO. LTD. They offer sizes of units from 150 to 500 liters. The systems use the more efficient evacuated tube collectors but the warranty is not as good as some other brands. 

SUNSYSTEM------sunsystem.bg-----<1*

These water heating systems are made in Bulgaria by NES LTD. and are sold throughout Europe. They feature flat plate collectors and basic tank technology. Their website is not much help and does not have a stated guarantee on the products. 

SUNTASK--------suntasksolar.com--<1*

This brand is made in China by ZHEJIANG SHENTAI SOLAR ENERGY CO.LTD. They offer systems in four sizes from 150 to 500 liters and feature the more efficient evacuated tube collectors. They also offer a solar balcony unit which is designed to hang from the railing on a balcony. The manufacturer's website is not much help and does not have a stated warranty policy. 

SUNTREK--------suntreksolar.com--<1*

This brand is available in the U.S. but they must be installed and sold by authorized dealers. Their website is not much help and does not have a stated guarantee for their products. suntreksolar.com

SUNVERTER----sunvoltenergy.net----3*

This brand is from SUNVOLT ENERGY INC. and offers packages that are designed for ease of installation and can be purchased directly online. Their SunVerter packages are designed to use your existing water heater. sunvoltenergy.net

TATANO-----------tatano.it-----------<1*

These systems use standard flat plate collectors and basic tank technology. Their website is not much help and the warranty on the systems is not very good when compared to other brands. 

TECNO------tecnosolarsystem.it----<1*

This brand is from ITALTHERM and is made and sold in Italy. They have a heat sink to prevent overheating the collectors in all conditions but their website is not much help and their guarantee is not very good when compared to other brands.

TEMPEST----  telford-group.com  ----5*

This brand works with MINT RENEWABLES to provide these complete systems. They offer both flat plate and evacuated tube collectors and feature durable stainless steel storage tanks. The brand is backed by a very good guarantee but they are only available in the U.K.

TESY---------------tesy.com----------<1*

The SOLO SYSTEMS kits are available in four sizes and use basic flat plate collectors. Their website is not much help and does not have a stated guarantee for their products. They are made in Bulgaria and are available in Europe.  

THERMOMAX---kingspanenviro.com--<1*

This brand is a part of the KINGSPAN GROUP and is available worldwide. The systems include vacuum tube collectors so they are a good option for colder climates. They offer a variety of packages to suit the individual home with kits for sloped roof, flat roof, horizontal facade, ground, or awning installation. 

THERMOR  -thermor-heating.com  --<1*

These systems are made in France and sold in Europe. The BIOPACK units have two coils to allow for the connection of a boiler to the tank as a backup source of hot water. They are available in three sizes but they use enameled steel tanks which is old technology. Their website is not much help and does not have a stated guarantee for these systems. 

TiSun--------------tisun.at-----------<1*

The SWS packages have all of the required components but the warranty is not as good as many other brands. They feature easy plug and play installation and are sold throughout Europe.

UNICAL-----------unicalboiler.com--<1*

These water heaters are made in Italy. They offer a variety of kits but their website is not much help and does not have a stated guarantee for the products. 

VANWARD-----chinavanward.com----<1*

These water heaters are made in China and use basic technology. Their website is not much help and does not have a stated guarantee for their products. 

VERGNE--  vergne-innovation.eu  ---<1*

These water heaters are made in France. Their website is not much help and does not have a stated warranty policy. 

VIADRUS---------viadrus.cz----------<1*  

The SPACE ENERGY systems are available for domestic hot water only or as combi (for central heating also). They are made in the Czech Republic and are available worldwide. Their website is not much help and the warranty is not as good as many other brands. 

VIESSMANN-  viessmann-us.com  --<1*

The VITOSOL DHW kits use their premium flat plate collectors and are sold through authorized dealers only. The piping systems do not require soldering as they use their pre-insulated flexible piping for easier installation.

WAGNER------  wagner-solar.com  --2*

This brand offers a variety of packages that are backed by a pretty good guarantee.

 ZANTIA------------zantia.com-------<1*

Their website is not much help and the guarantee on components (other than the collectors) is not very good when compared to other brands. 

You might like these