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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WSHP System Control and Optimization 5: Design Tips for Maximum Efficiency

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WSHP System Control and Optimization 5: Design Tips for Maximum Efficiency

Engineers have many options for optimizing energy efficiency in a WSHP system. Most of these opportunities involve making the most of….

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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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Condensing Boiler Plant Piping Design & Control Part 4: What is Specific Heat and Why You Should Care?

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Special care must be taken in the design of condensing boiler systems with low water volume -- especially condensing boiler systems with water tube boilers. If not correctly designed, boilers will perpetually short cycle or (worse) constantly go off on high limit temperature. Why is this a problem with low water volume systems? It all has to do with Specific Heat....
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