45 0 tons of residential fuel boiler chimney

Boilers | Gas & Oil Fired Boilers | Lennox Residential

With efficiency ratings of up to 95% AFUE Lennox boilers can help you save hundreds of dollars each year in utility bills compared to older and standard- efficiency boilers. Designed for easy installation and available in many different sizes and fuel options all Lennox boilers are built with high-quality components for long-lasting operation.

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Chimney Sizing - Engineering ToolBox

The pressure difference in the chimney pulls air and fuel gas from the boiler or fireplace through the chimney and out of the building. Chimney Draft. The pressure difference or chimney draft can be expressed as: dp ch = h ( o- i) a g (1) where. dp ch = pressure draft in the chimney (Pa) h = height of chimney

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ENERGY STAR Certified Boilers | EPA ENERGY STAR

Compare ENERGY STAR Certified Boilers find rebates and learn more.

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