High-Performance HVAC | WBDG - Whole Building Design Guide

Nov 07, 2016 · Theyalso operate more efficiently than non-condensing boilers at part-load.Condensing boilers are available in capacities between 0.3 and 2 MMBtu/hr, and can be connected in modular installations. Furnaces can be used for residential and small commercial heating systems.

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