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Customer Reviews / Testimonials


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On-Demand Boiler System: no hot water tank, no pressure tank and lots more space

Review for Eco-King Supreme Residential On-Demand Boiler & Combi Boiler

Date: August 29, 2019Written by: Sharon and Murray TruslerFrom: Eagle’s View, Peachland, British Columbia, Canada

When we purchased our condo at Eagle's View in Peachland, we asked John de Man to service our hot water system. We were concerned because the system consisted of a boiler, an exhaust system, a hot water tank and a pressure tank. John pointed out that the exhaust system was subject to leaking at the joints and was a carbon monoxide poisoning hazard. We had had a hot water tank leak in the past causing $30,000 worth of damage and a similar pressure tank leak at the seams on a geothermal system causing $85,000 worth of damage. We also were concerned with the amount of space required to house the system.

John suggested that we replace the system with an Eco King on demand boiler system. As you can see: no hot water tank, no pressure tank and lots more space. In addition the exhaust system has been replaced with a new exhaust with proper adhesives for high temperature systems, thus eliminating the carbon monoxide hazard.

The additional benefits are hot water on demand which never runs out. There is less energy expense as you only heat what you use. There is no wasted heat sitting in a hot water tank. The system is quiet and responsive. John was a pleasure to work with on this project. As you can see from the layout, everything has been done to the highest professional standard.


Proven Reliability, Quiet Operation and Attractive Appearance

Review for Eco-King Supreme Residential On-Demand Boiler & Combi Boiler

Date: August 29, 2019Written by: John de ManFrom: Kelowna, British Columbia, Canada

Being a Plumbing contractor and having chosen Eco-King as my exclusive brand to market to my customers in 2012, it was a no brainer as to what I put in my own new garage/office building to meet my own heating and domestic hot water needs. This is installation #29, a C100, and I have three more lined up in the next few weeks. They’ve proven their reliability to me, and my clients are very pleased with their quiet operation and attractive appearance.


$10,000 savings in gas alone

Review for Eco-King Ultimate Commercial Boiler

Date: August 26, 2019Written by: FredrickFrom: NorthSide Church, Coquitlam, British Columbia, Canada

We removed two 400,000 BTU atmospheric boilers, and installed two Eco King 200,000 BTU Boilers.

In just under 1 year, our savings have roughly been $10,000 in gas alone.


After 9 years of searching for a dependable product I found the Eco King product line

Review for Eco-King Supreme Residential On-Demand Boiler & Combi Boiler

Date: April 2, 2018Written by: John DeManFrom: DeMan on Demand, British Columbia, Canada

I have been a plumbing and gas service provider for almost 40 years and working on the multitude of different condensing wall boilers available. I was beginning to think that the industry was losing it's touch and was no longer able to manufacture a product that could operate long term without break downs.

After roughly 9 years of searching for a dependable product I could have confidence in, I found the Eco King product line.

I did a 1 year pilot project on the C200 boiler to see if it met my expectations, and was very pleased with the result and positve customer feedback. Since then, I have installed nearly a dozen (mainly C140's) for numerous applications, and I am thrilled to say, they are all performing wonderfully! After an exhaustive search, I can attest that I have found my product of choice and have absolutely no interest in purchasing any of the others. I would encourage anyone looking for this type of heating appliance to do the same.
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