Over-Heat Dump Zones for Solid Fuel Hot Water Boilers

Posted Leave a commentPosted in General Information, Installation Tips, Technology

All Solid fuel hot water boilers must be installed with an ability to shed heat with or without the benefit of electrical power.   In the unusual event a boiler exceeds its set-point temperature and the temperature is continuing to climb, an over-heat dump zone may be the only means for preventing the boiler from making […]

Modern Wood Boilers – The Benefits of Batch Burning

Posted Leave a commentPosted in Emissions Efficiency and Safety, Featured Posts, General Information, News Articles, Technology

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 […]

indoor wood boiler firewood

Understanding Wood Boiler Efficiency and EPA Ratings

Posted 1 CommentPosted in Featured Posts, General Information, News Articles, Stories, Technology, Uncategorized

When it comes to wood boiler efficiency, there is no end to the number of wood boilers advertised as being “high efficiency” boilers.  How could practically all wood boilers be considered highly efficient?  Is the term meaningless?  Buyers, even those who are well informed, must find the landscape very confusing.  One might think that a […]

Froling Wood pellet Boiler

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

Posted Leave a commentPosted in Commercial Boiler Images, Fröling P4, General Information, P4 Pellet Boiler Installations, Pellet Boiler Installations, Public Policy, Stories

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 […]

Great Technology is Only 1/2 of the Equation

Posted Leave a commentPosted in General Information, Public Policy

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 […]