With our electric boiler ratings, you can compare boiler models side by side using our Head To Head tool.
You can compare 11 models from the 11 major brands in 6 categories such as warranty, construction, availability, & where they are made.
You can also read the individual reviews of each brand below.
Our simple rating system gives each brand a color code and a star rating. If the card is green, then, that is one of the top picks from HvacRepairGuy. If the card is yellow, then, that would be a budget pick from HvacRepairGuy. If the card is red, then, the brand is not recommended by HvacRepairGuy. It truly is like you were taking a repairman shopping with you!
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 and they are only available through a very limited dealer network.
This brand is made in Canada and is also available in the USA. The Aqua Star 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 on the pressure vessel which is the heart of the unit is not very good when compared to other brands.
The Hydra III 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 can be wall hung to save space but the warranty is not as good as some brands.
The EB4 units are available in five models from 10-30 kw. The elements in the units are staged where a 5 kw 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 and they are only available through a limited dealer network.
This brand is a division of Laars Heating Systems Company and the boilers are made and sold in the USA. They are backed by a very good guarantee but they are only available through a limited dealer network. The EZBoiler includes an air eliminator and a built-in circulator pump which makes them quicker and easier to install. They have outdoor reset capability where the boiler water temperature can be varied based on the outdoor air temperature which can save energy. The Warmflo control stages the elements to more closely match the heat output to the required load.
This brand is made and sold in Canada by Concept Manufacturing Inc but they are only sold through a limited dealer network. 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.
This brand is made in Canada by Allied Technologies which is a division of E-Z-Rect Manufacturing Limited 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 domestic hot water production. The guarantee on the units is not very good when compared to other brands that are available.
This brand is made in the USA but final assembly is done in Mexico. The Radiant Heat Source models use digital microprocessor controls and standard field replaceable heating elements. They have leak detection shutdown protection but their guarantee on the units is not very good when compared to other brands.
This brand is made in the USA but their warranty is not as good as some of the other brands. The Hydro Shark boilers feature digital modulating control as well as durable copper heat exchangers. The boilers are available in sizes from 7 to 36 KW.
This brand is made in Canada and is available in the USA as well. The TMB boilers are wall mounted modulating boilers with advanced controls such as outdoor reset. 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.
This brand is made in Canada and is available in the U.S. and Canada but only through a limited dealer network. The Mini Ultra range features wall mounted units in sizes from 3 to 12 kw and uses outdoor reset control for energy savings. Their UltraSmart control includes a large digital display to see boiler status with just a quick glance but the warranty on the boilers is not very good when compared to other brands that are available.
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