The best of the best takes the grand prize at the Wood Stove Decathlon
Tom Morrissey has been designing and building soapstone wood-burning stoves since 1978, so when John Ackerly, Founder and President of the Alliance for Green Heat asked him to design a new stove a year ago he decided that Woodstock Soapstone Company was up to the challenge. He assembled his design team members Jason Guimaraes, Lorin Day, Harold Garabedian, Larry Young, Ken Blum, Lewis Thibodeau, Dan Batchelder and Kristie Haupt and got to work on a brand new stove to enter in the November 2013 Wood Stove Decathlon, which was held in Washington, D.C. This week.
The new Ideal Steel Hybrid stove is something completely new to the company, who has specialized in soapstone products for 35 years. The new stove is, however, lined with soapstone bricks in order to take advantage of the stone's heat-retention and long heat-release properties.
What makes this design so different from other wood stoves on the market are several factors. The design team incorporated a secondary air chamber and a catalytic combustor, while most manufacturers do only one or the other. Then the team added a tertiary air supply so as the stove gets hotter more air is fed directly to the catalytic combustor so it does not get oxygen deprived. This allows the combustor to work more effectively, while bringing emission levels down even further. The team also found that a fan is not necessary for the combustion air supply, and the passive system works very well.
Tom said “We are essentially making a gasification stove,” he said, “If you look at this thing when it’s burning, the fire does not look like what you would think of as a wood fire. The whole top of firebox is like an inverted gas burner; there are 120 holes with a tube of flame coming out of each one.”
Instead, they will employ a remote Woodstove Monitor. It will provide real-time feedback on burn rate, BTU output, efficiency, emissions, and stove temperatures.
“Burning wood without this information is like driving a car without a speedometer and gas gauge,” said Morrissey. Knowing this information will help stove owners use their stoves more responsibly and effectively. “Ten years ago, you could never imagine having a little computer on the stove. If you were in a small industry like ours, you couldn’t dream of having a graphic-user- interface, but now it’s available and affordable,” Morrissey said. The Union Hybrid stove, with its twenty-first century technology and efficiency and emissions capabilities, is certainly a far cry from a six-sided box with a fire in it.
Testing in the lab and at the design challenge resulted in only 1.03 grams in emissions. That is extremely low, especially compared to older model stoves. The firebox size is 3.2 cu ft. emissions are an adjusted level of 1.04 grams.
One of the highlights of the Ideal Steel Hybrid stove is the custom work. Woodstock Soapstone has a water jet cutter that enables the company to customize their stove by adding medallions on the side, attach a mitten warmer or large artistic design pieces to the back via slots just above the back legs, custom cut the andirons, and add a custom-cut cook top. These elements can be changed out easily when the customer wishes to change the look of the stove.
And if that isn't enough, an optional LED lamp on a swing arm, powered by heat from the stove is available. If the power goes out the owner would have not only provide heat, but a place to cook on three burners at different heights and temperature variations, and lighting for cooking or reading.
The stove should be available by June of 2014 and it is factory-direct to the consumer only. Woodstock does not have dealers.
The Wood Stove Challenge was open to any company, university, or individual from any country except for accredited woos stove labs. The grand prize winner received a $25,000 cash prize which was donated to two teams who did not have funding. The two second place prizes went to Travis Industries and Wittus, who shared a $10,000 cash pot.
Sharing third place were Inter-Continental, Tile Stove and HWAM. Fourth place went to Tulikivi; fifth went to Intensi-Fire and Mulciber; sixth to Walker Stoves, Seventh to Smart Stove, and eighth place was awarded to Kimberly.
The goal of the Challenge was to get design team's creative juices flowing and make higher efficiency, affordable wood-burning stoves that produce little emissions. The expert judging panel with representatives from different agencies and organizations scored each stove on innovation, market appeal and ease of use, affordability, emissions, and efficiency.
Congratulations to Woodstock Soapstone and the other finalists who scored high marks by the judges. The next generation of wood stoves is here.