Updated Energy Standard Requires Condensing Boilers

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Updated Energy Standard Requires Condensing Boilers

The 2019 edition of ASHRAE Standard 90.1 incorporates a change that significantly impacts the design of high-capacity space heating gas boilers. The standard mandates that gas boilers ranging from 1 to 10 million Btu/h) must be…

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Energy Efficient Hot Water Boiler Plant Design Part 1: Combustion Process and Combustion Efficiency

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It takes approximately 1000 Btus of energy to convert one pound of water into vapor. Think of that as the price you pay as part of the combustion process in a typical non-condensing hydronic boiler. That’s a good starting place for this next series on Energy Efficient Hot Water Boiler Plant Design.
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