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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Boiler Installation Pitfalls Part 4: Hydronic Piping

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Boiler Installation Pitfalls Part 4: Hydronic Piping

Hydronic piping must be designed to let high-efficiency boilers do their thing. No designer wants to unknowingly undermine a boiler’s….

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Condensing Boiler Plant Piping Design & Control Part 5: How To Size a Buffer Tank

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Not every boiler system requires a buffer tank – but some do. So how do you know if a buffer tank is needed for your particular boiler system or boiler plant design? A buffer tank is required when there is not enough water volume in the system to absorb the excess heat from the boiler during operation or during start-up firing....
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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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