In a December 2014 Plumbing & Mechanical Hydronics Workshop column, we discussed the benefits of dual-fuel systems that combine a geothermal water-to-water heat pump with a mod/con boiler. The boiler ...
For those who want to burn cordwood, modern wood-gasification boilers offer mid-80 percent steady-state combustion efficiencies and full-cycle efficiencies in the 70-75 percent range. This is much ...
Almost 40 years ago when my company Stadler Corporation introduced one of the first residential European wood boilers to New England, they were elementary in design and in their infancy of wood ...
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