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EnerWorks Residential Solar Water Heating Appliance


Pros: straightforward installation, CSA certified, excellent efficiency, clean design

Cons: programming could be simplified, Grundfos flow meter is finniky


I have installed several of these systems and have one on my own home. It has proven to be amazingly effective even in ambient temperatures as low as -25 Celsius I have had +30 Celsius temperatures in my storage tank by early afternoon and I'm in a northern latitude. 


With some of my installed systems there have been component problems that were resolved immediately by Enerworks (pump failed on one unit, flow meter on another). We also received no charge updates including a larger accessory expansion tank for each system. 


I have dealt with Enerworks for five years now and have found them very responsive to problems and questions.


Pros: Easy installation, CSA Certification, Double Wall Option

Cons: Over heat protection doesn't work, controller is very tough to program, expansion tank is too small, pump is very expensive to replace

Enerworks is a Canadian company and probably the #1 selling Solar Thermal product in Canada.  I have installed a few of these units and I have had problems with all of them.  The technical support is terrible, the dealer support is terrible and the product has some significant flaws. 


The thermal expansion tank is way undersized, the overheat protection on the panels does not appear to work well if at all.  The controller and pump are specialized to the unit and cannot be replaced with anything other than original equipment from Enerworks. 


The pump replacement cost is several hundred dollars and in my experience the glycol does not last more than a year or two before it requires replacement. 


This makes for expensive annual maintenance and this entire system is reliant on getting parts from Enerworks, which are way too expensive.  This product has not been around long enough to tell if it will last but I would not install another one of these systems. 

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EnerWorks Residential Solar Water Heating Appliance

The EnerWorks residential solar water heating appliance is a clean, cost-effective solution that uses the sun's energy to heat your water. With 1, 2, 3 and 4 panel systems available to meet your needs, the appliance is attractive, safe, and reliable with minimal maintenance required over its long operational life. Installation is done by certified professionals and backed by a 5 year limited warranty. EnerWorks one to four collector panel systems are the only solar thermal systems that are CSA approved. With this certification, inspector approvals and applications for incentives and rebates are greatly simplified as is the homeowner's ability to obtain the appropriate insurance after the installation is complete. Through the SRCC, the panels have earned OG100 certification, while the system has received OG300 certification. These systems are Performance Certified when installed to SRCC OG300 Specifications and tank sizes. When properly installed and maintained, these systems meet the minimum standards established by SRCC. The SRCC certification does not imply endorsement or Warranty of this product by SRCC. Available in various sizes and configurations (with/out auxiliary tank, number of solar collectors, etc). The unit's efficiency will vary based on the configuration. The specifications below are for a 40 gallon model with an electric auxiliary tank.

Additional FeaturesAvailable with an electric or gas auxiliary tank
Volume Capacity40 gallons
Power SourceSolar
Freeze Tolerance-50 degrees F
Collector Panel TypeGlazed flat-plate collector
Total Solar Panel Area30.9 sq-ft.
Solar Energy Factor1.5
Release Date
Model Name/TypeMPNEAN/UPC
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