Patterson-Kelley Solutions Blog

Breaking Down Turndown

[fa icon="calendar'] May 24, 2018 2:38:44 PM / by Patterson-Kelley posted in Boiler, Condensing Boilers, Hydronic Boilers

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Operate at Peak Efficiency

Patterson-Kelley Commercial Condensing MACH Boilers

Boilers are Rated on Thermal Efficiency

Thermal efficiency is simply the chemical energy added to the boiler divided by the energy added to the boiler water.  As more energy is transferred from the hot gas into the boiler water, the thermal efficiency increases and the temperature of the hot gas decreases.

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