Emissions Efficiency and Safety

Modern Wood Boilers – The Benefits of Batch Burning

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What is a “Modern Wood Boiler”?  Modern wood boilers use sensors, such as oxygen sensors like those found in modern automobile engines, to provide real-time combustion adjustment with separate primary and secondary air controls.  Sometimes these boilers are called “lambda controlled wood boilers”.  Modern wood boilers almost always use induced draft fans rather than forced […]

Commercial Boiler Images

Froling Wood Pellet Boilers Installed by Tarm Biomass Heat Orford Commercial Building

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Froling Wood pellet Boiler

A Fertile Opportunity for Renewable Heating Sometimes nice old buildings present fertile opportunities for renewable heating makeovers with Froling wood pellet boilers.  Here is a great example.  The 30,000 square foot office and warehouse was built starting in 1965 by New Hampshire Governor Meldrim Thomson for his Equity Publishing business.  As Governor Thomson’s business grew […]

General Information

Great Technology is Only 1/2 of the Equation

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Our local newspaper, the Valley News, recently ran an article about heat pumps titled, “Innovation, or Just Hot Air?”. The article references a Vermont Public Service Department report, which found that in 77 studied heat pump installations, “the average annual energy cost savings was approximately $200.00 per heat pump, significantly less than had been assumed […]