With our electric boiler ratings, you can cut through all of the sales hype and find value. We have researched the manufacturers' data and used our years of HVAC service experience to give you our unique system of ratings. It truly is like you were taking a repairman with you while you shop!
Our top pick for an electric boiler is the MONITRON EH series units from SLANT/FIN. They are available in nine sizes from 8 to 40kw to match the needs of your home. They feature a durable cast iron heat exchanger and are wall mounted. The elements in the units are staged to where for each 30 seconds of operation another element is energized. This allows the units to closely match the heat requirements of the home. They have a dealer locator by state on their website.
We continue our electric boiler ratings with an alphabetical list of manufacturers and reviews of their products.
BRAND----------WEBSITE----------RATING
ACV------------------acv.com-----------<1*
The E-TECH series units are wall mounted and available in five sizes from 4.2 to 36kw. They use modulating control and have durable incoloy heating elements. They have a built in expansion vessel, pump, and automatic air vent. They also offer a domestic hot water generation option as well as a kit to include a second heating circuit. The brand is made in Belgium and is available worldwide but their website does not have a stated warranty policy.
APPLIMO--------applimo.fr------------<1*
The GIALIX range of boilers is made in France. They are wall-hung units with electronic modulating controls. Their website does not have a stated guarantee for their products.
ARGO-------argoindustries.com---------2*
This brand is a part of ECR INTERNATIONAL. The AT series units are cast iron boilers with either two or four heating elements. They use microprocessor based control and are available in eight sizes to match the heating needs of any home. The warranty is not as good as some of the other brands.
ATTACK------------attack.sk------------<1*
These boilers are made in Slovakia and are sold in Europe. The EXCELLENT range offers three sizes of wall-hung boilers. The EASY model has a capacity of 7.5 KW and is designed for low-energy homes and apartments. Their website is not much help and does not have a stated warranty policy.
AUER--------------auer.fr----------------2*
The GIALIX boilers are wall-mounted units with a durable cast iron heat exchanger. They are available in three sizes and feature modulating electronic controls. They have a built-in three speed pump and are backed by a pretty good guarantee.
AXEMAN-ANDERSON axeman-anderson.com --<1*
The ENERSTOR system is a boiler system that is designed to heat water during "off-peak" hours and store the heat for use during peak hours. Many utilities charge lower rates for electricity during the "off-peak" hours and so it is possible to save money by heating the water during these times. Their website is not much help and does not have a stated warranty policy.
AZTEC-----------trianco.co.uk---------<1*
This brand is made and sold in the U.K. by TR ENGINEERING LTD. The SYSTEM models are available in five sizes with outputs of up to 12kw for heating larger areas. The units feature a stainless steel heat exchanger for durability. The units contain a 2 liter expansion vessel, pump, and auto air vent for easier installation. The warranty on the units is not very good when compared to other brands.
BENJAMIN--benjaminheating.com----<1*
This brand is made in Canada and is also available in the USA. The AQUASTAR AQ series units have a "smart board" which modulates the output of the unit. It also senses the outdoor temperature and adjusts its operation as needed. They are available in six sizes and offer a variable setpoint so that they can be adapted to the home's specific needs. The warranty is not as good as other brands.
CENTROMETAL---centrometal.hr------<1*
This brand is made in Croatia and is sold in Europe. The EL-Cm units are wall-hung units with electronic modulating controls. They are available in eight sizes but their website does not have a stated guarantee for their products.
CHAROT----------charot.com----------<1*
These boilers are made and sold in France. The RELAX DIGITAL units have electronic controls but their website is not much help and does not have a stated warranty policy.
CTC-----------------ctc.se----------------1*
The EXCELLENT II units produce hot water for central heating as well as domestic hot water. They have modulating control with nine steps of output. The ECOZENITH models can be controlled and monitored by SMS. The brand is a part of ENERTECH GROUP and is available in Europe.
DETTSON--------dettson.ca-----------<1*
The HYDRA REVOLUTION electric boilers are modulating units with electronic controls including an outdoor reset control for added energy savings. The boilers are made in Canada and are available in six sizes to match the heat load of the home. They are wall hung to save space but the warranty is not as good as some brands.
DOMUSA---------domusa.es-----------<1*
This brand is made in Spain and is a part of MONDRAGON CORPORATION. The DCSM/DCS models are for central heating and dhw production and feature a stainless steel water tank. The DEEM/DEE models are heating only boilers in sizes from 4.5 to 21 kw. They offer both wall-mounted and floor standing units but their website is not much help and does not have a stated guarantee for their products.
EFM----------efmheating.com---------<1*
The EB4 units are available in five models from 10-30 kw. The elements in the units are staged where a 5kw element is energized after each 60 seconds of operation. This allows the units to closely match the required heat output but it would be better if there was a longer delay between stages. The boiler includes a built-in circulator pump and air vent for quick and easy installation. The warranty on the units is not as good as many other brands.
EHC- electric-heatingcompany.co.uk -<1*
This brand is made and sold in the U.K. The FUSION range units contain the pump, auto air vent, expansion vessel, and a magnetic filter.They feature six stage heating for energy savings and a copper heat exchanger. They are available in sizes from 6 to 14.4kw. The SLIMJIM boilers are compact space saving units with much of the same features. The guarantee on this brand is not very good when compared to other brands.
ELECTRO BOILER---electromn.com-----3*
This brand offers a variety of units including wall-mounted or floor standing models. The WARMFLO control stages the elements to more closely match the heat output to the required load. These boilers are backed by a good warranty.
EVAN---------------evan.ru------------<1*
This brand is a part of NIBE ENERGY SYSTEMS and is made and sold in Russia. The C1 range offers a variety of sizes to match the heating needs of the home. The WARMOS IV has staged elements but they are staged based on time instead of temperature. Their website is not much help and the warranty on the units is not very good.
GABARRON-------elnur.es-------------<1*
These boilers are available for central heating only or for heating/domestic hot water production. They feature electronic modulating controls and are wall mounted. Their website is not much help and does not have a stated guarantee for the units. The boilers are made in Spain and sold throughout Europe.
GLARY------------glary.com.cn--------<1*
This brand is made in China and is available in three sizes. They are wall-hung units but their website is not much help and does not have a stated guarantee.
HEATRAE SADIA--heatraesadia.com--<1*
This brand is a part of BDR THERMEA and is made in the U.K. They are available worldwide. The ELECTROMAX units are a heating boiler and domestic hot water heater all in one unit. They feature a stainless steel dhw tank and a programmable room thermostat. The AMPTEC units are designed for the replacement market and can be used with conventional radiators or underfloor systems. The warranty is not as good as many other brands.
IVT---------------ivt.se----------------<1*
The IVT 290 boilers feature stainless steel construction for durability. They are available in two sizes and are for heating and DHW production. The brand is a part of BOSCH THERMOTECHNOLOGY GROUP and is available in Europe. 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 TEHOWATTI (TW-13) units combine a water heater with the electric boiler in one package. It features stainless steel construction and an automatic seven stage control system. The PIKKUWATTI (PW-13) units do not have the water heater. The ECOWATTI boilers are designed to be used with external sources such as solar, heat pumps, etc. Their website is not much help to the consumer and does not have a stated warranty policy.
KOSPEL-------kospel.pl----------------<1*
This brand is made in Poland and is available throughout Europe. The EKCO line is available in six sizes from 4 to 36kw. They feature six stage electronic power control and a copper heat exchanger.
LION------conceptmfginc.com---------<1*
This brand is made and sold in Canada. The LEB units are wall mounted modulating units while the CEB units are compact models. The units feature modulating controls for energy savings but the warranty is not very good when compared to other brands.
MINI STAR---alliedboilers.com------<1*
This brand is made by ALLIED ENGINEERING CO. which is a division of E-Z-RECT MANUFACTURING LTD of Canada. The units are available in sizes from 6 to 54 kw and feature three stage heating that is microprocessor controlled. The control features advanced logic and has a LCD display panel. They have six modes of operation including DHW production. The guarantee on the units is not very good.
NIBE-------------nibe.eu---------------<1*
This brand is made in Sweden and is available in Europe. The EVC13 model is a compact unit that is controlled based on outdoor temperature. The EVC240 units feature an integrated domestic hot water heater.
PROTHERM-----protherm.cz-----------<1*
This brand is available in Europe. The RAY line consists of wall mounted modulating units in eight different sizes. The units feature a three speed circulating pump as well as a built in expansion vessel and automatic air vent. They have built-in weather compensation controls but the guarantee on the boilers is not very good when compared to other brands.
PZP-------------pzp.cz-----------------<1*
This brand is made in the Czech Republic and is available in Europe. The brand features wall hanging units but their website is not much help and does not have a stated warranty policy.
REDRING-------redringxpelair.com----<1*
This brand is made in the U.K. The ASCARI range offers units with a cast iron heat exchanger, integrated circulation pump, and expansion vessel. The heating system temperature is selectable so the unit can be adjusted for maximum comfort and energy savings. The warranty on the units is not very good when compared to other brands.
SEISCO-----------seisco.com----------<1*
The RADIANT HEAT SOURCE models use digital microprocessor controls and uses standard field replaceable heating elements. The guarantee on the units is not very good when compared to other brands.
SLANT/FIN--------slantfin.com----------5*
The MONITRON EH series units are available in nine sizes from 8 to 40kw to match the needs of your home. They feature a durable cast iron heat exchanger and are wall mounted. The elements in the units are staged to where for each 30 seconds of operation another element is energized. This allows the units to closely match the heat requirements of the home. They have a dealer locator by state on their website and the units are backed by a very good warranty.
SLOKOV------------slokov.cz-----------<1*
This brand is made and sold in the Czech Republic. The SL ELEKTRO series features wall hung boilers in seven sizes to match the needs of the home. Their website is not much help and does not have a stated guarantee for their products.
STREBEL----------strebel.at-----------<1*
The EH12 LUX boilers are made in Austria and sold in Europe. The units are designed to be inexpensive and easy to install but their website is not much help and does not have a stated warranty policy.
SUPER HOT----alliedboilers.com------<1*
This brand is made in Canada by ALLIED ENGINEERING CO. The MINI STAR features a three stage microcontroller with outdoor reset temperature control. The units are wall hung to save space and have six modes of operation for flexibility but the guarantee is not very good.
TERMO--------osohotwater.com-------<1*
These units are made in Norway and are available in Europe and North America. They feature modulating control and are available in five sizes to match the needs of your home. The units are wall-hung for space savings and are available for central heating only or heating/domestic hot water. The E version has weather compensation controls for increased efficiency but the guarantee on the brand is not very good.
TERMODINAMIK--termodinamik.com.tr--<1*
These boilers are made in Turkey and are available in five sizes to match the size of the home. They can produce domestic hot water as well as providing central heating water. They have a three speed pump and use electronic modulation to match the requirements of the home. They require a three phase power supply which is not common for homes. Their website is not much help and does not have a stated warranty policy.
TERMOMONT----termomont.co.rs-----<1*
This brand is made in Serbia and is sold throughout Europe. The ETK(E) units are available in seven sizes to match the heating needs of the home. Their website is not much help and does not have a stated guarantee for their products.
THERMAFLOW--thermaflowheating.co.uk--<1*
These boilers produce both domestic hot water and central heating. They are available in seven sizes to match the needs of the home. Their website is not much help and does not have a stated guarantee for the products.
THERMOLEC----thermolec.com-------<1*
This brand is made in Canada and is available in the USA as well. They feature wall mounted modulating boilers with advanced controls such as outdoor reset. The standard units are designed to stand alone in heating the home while the dual-energy models are designed to work with a gas or oil fired boiler. They use durable components such as a stainless steel tank and incoloy elements but they are not backed by a warranty that is as good as other brands.
THERMONA-----thermona.eu---------<1*
This brand is available in Europe, Asia, and South America. They offer wall mounted units with step regulation to closely match the heating requirements of the home. They offer a domestic hot water heating option as well as "equitherm" regulation which controls the unit based on the weather. The units have an integrated 7 liter expansion tank as well as pump, and automatic air vent. The warranty on the units is not very good compared to other brands.
THERMO 2000--thermo2000.com-----<1*
This brand is made in Canada and is available in the U.S. and Canada. The BTH ULTRA range features wall mounted units in sizes from 6 to 33kw and uses outdoor reset control for energy savings. They have a dealer locator map on their website.
VARMEBARONEN--varmebaronen.se--<1*
The ELOMIN III UB boilers are made in Sweden and are sold worldwide. Their website is not much help and does not have a stated guarantee for their products.
WIRBEL--------- wirbel-shop.ru -----<1*
The ELM boilers are made in Austria and are available in a wide selection of sizes. Their website is not much help and does not have a stated warranty policy.