Tarm Biomass has been selling and supporting wood gasification boilers since 1994. Wood gasification boilers are becoming more common as more boiler companies adopt the technology to meet strict emissions rules. Learn more about the process and why a gasification boiler can be an excellent investment. In general, the process of gasification uses high heat… Read More »
If you live in a rural area (you’re reading this so you likely do), you are probably familiar with outdoor boilers, also known as outdoor wood burning stoves, outdoor wood furnaces, OWB, or hydronic heaters. Along with mullet haircuts, outdoor boilers became mainstream in the 1990s. Due to their use of smoke signals and prominent… Read More »
Most U.S. homes and businesses use either furnaces or boilers to produce heat. Because both serve the same function, people often refer to furnaces and boilers as though the terms were interchangeable, but the two are not the same. They differ in the methods used to heat a space. Wood furnaces and boilers use wood to produce… Read More »
A cord of freshly cut hardwood from a northern forest (green firewood) contains about 24,000,000 British Thermal Units (Btus) and weighs about 4,500 pounds. After proper air drying, the same cord weighs only 3,500 pounds. The loss of 1,000 pounds of water at 8.34 pounds per gallon is about 120 gallons. The next time you… Read More »
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… Read More »
Israel River Campground in Jefferson, NH has been burning over 12 cords of wood and 1,400 gallons of oil per season for 10 years in an HS-Tarm Excel multi-fuel wood gasification boiler. The almost 7,000 square foot main building, which houses the camp store, bathrooms, laundry facilities, recreation room, and owner’s living quarters is a… Read More »
Equipment: Fröling PE1 Automatic Pellet Boiler piped in series with existing Burnham oil boiler. Homebuilt 3-4 ton hand-fed wood pellet bin with three pick-up probes. The customer supplied the thermal storage tank. Replaced 150,000 Btu/hr outdoor wood boiler that burned approximately 12 full cords of wood a year. House Description: Heating approximately 2,700 sq. ft.… Read More »
Boilers: Fröling T4 150 (500,000 Btu/r) wood pellet/wood chip boiler. Previously installed Garn WH1500 (177,000 Btu/hr) with a water capacity of 1,420 gallons. Thermal Storage: The Garn’s water capacity is used as the thermal buffer tank. Fuel Storage: 20’ shipping container modified for fuel storage Fuel Delivery: Modified P4 cyclone (day hopper) suction device. Sold… Read More »
The historic Ladd Hall in Waterbury, VT has gone through a huge makeover. The building was sitting vacant since August 2011, when Tropical Storm Irene hit and flooded the basement. The original building was bult in the 1890’s with a wing added in the 1950’s to house nurses working at the state hospital. The building… Read More »
The first Fröling Turbomat 500 (TM 500) has arrived in the USA! The TM 500 is a 1.7 mm Btu/hr. boiler capable of burning wood chips up to 45% moisture content or wood pellets. The boiler weighs over 18,000 pounds, in large part due to its heavily bricked firebox, which is necessary for wetter wood… Read More »
