Electric boiler ratings part 2 continues our reviews with a look at the Axeman-Anderson, Aztec, Benjamin, Centrometal, Charot, CTC, Dettson, and Domusa brands.
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.
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.
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.
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.
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.
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.
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.
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.