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PROUDLY
MADE IN
THE USA |
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As an Energy Star® Partner, Energy Kinetics has determined that this product meets Energy Star® guidelines for energy efficiency. |
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AFUE and Gas Boiler Facts
AFUE Ratings Are Not Accurate
Boiler rating or boiler efficiency is typically measured by Annual Fuel Utilization Efficiency (AFUE). AFUE ratings are not accurate.
Determining The Real Efficiency (Gas Boilers)
To determine the real gas boiler efficiency, use our interactive illustration by placing your mouse over the specific boiler area. [ View Oil Boiler Version ]
Efficiency
Indicator |
Typical Boiler |
System 2000 |
| AFUE Rating |
80% - 84% |
Up to 87% |
| Real Efficiency |
56% - 59% |
87% |
| Draft Hood |
YES |
NO |
| Jacket Insulation |
¾" to 1" sides & top |
Up to 4" |
| Base Insulation |
No - boiler sits directly on floor |
YES insulated plus
boiler mounting stand |
| Outside Air for Combustion |
NO |
YES |
| Energy Saving Control |
Additional Cost and requires trial and error adjustments |
Energy Manager for combined heat and hot water standard on all systems. More efficient than temperature reset controls |
| Integrated Hot Water System |
Direct fired tank or electric
(low efficiency) |
High performance hot water storage tank with integrated control |
When the government created AFUE (Annual Fuel Utilization Efficiency) ratings, they had a good plan. However, AFUE ratings don’t help consumers make educated decisions about a hot water heating system’s efficiency because it only measures some chimney related losses. It’s like saying highway driving is the miles per gallon you’ll get all year when you know you’ll be doing most of your driving around town.
It’s time the heating industry had an accurate way to measure efficiency.
AFUE remains a misleading indicator that should be improved with an index that truly measures a hot water system’s efficiency. The heating industry needs it. The homeowner deserves it. Once you’re able to accurately compare different heating system’s efficiency, we know you will select System 2000.
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