cover
<br />hile most people would be content to
<br />retire at age 50, build their dream home
<br />and perfect their blackjack skills, this
<br />slower pace wasn't cutting it for Twin
<br />Cities entrepreneur and inventor Bob
<br />Walker.
<br />Walker is best known for inventing the Sleep Number bed in
<br />1987 and founding Select Comfort Inc. a year later. He set out co
<br />design a better mattress to help cure his insomnia, resulting in the
<br />highly successful, adjustable comfort air mattress system.
<br />Select Comfods sales in 2005 were nearly $700 million. Walk-
<br />er retired as chairman and CEO of Select Comfort in 1993, par-
<br />tially because running a company isn't as much fun to him as
<br />starting one, and he and his wife, JuAnn, set out to build their
<br />12,000-square-foot dream home.
<br />"What gets boring is when you're building a business and then
<br />al] you're really doing is adding zeros on the end of the sales fig-
<br />ures," he says. "Thais when it ceases to be fun. I like creating
<br />something, putting form to something, because not everybody
<br />can do is It's a real discovery thing."
<br />Walker's retirement didn't last very long. Walker was in search
<br />of a new product co develop and market. This time it would be a
<br />whole new industry -that of alternative fuel sources.
<br />"I got into it quite by accident," recalls 4~alker, who turns 64 in
<br />September. "We were in our new house, and in the first winrer
<br />months our heating bills were running $1,675 a month! That was
<br />the surprise of our lives.
<br />"I said, `Wha~s wrong with this furnace?' I soon began to real-
<br />ize that there was nothing wrong with the furnace. It was the price
<br />of energy that was so high, and it's going to go even higher. I said,
<br />`I need to do something'
<br />"I built this beautiful bed, but it's a small consolation if I'm
<br />sleeping in my bed but I'm freezing to death. So I said, `I got
<br />another problem to solve."'
<br />With escalating ,energy costs, walker
<br />believed other consumers also would be interested in cheaper
<br />fuel options. For three years, he researched alternative fuel
<br />sources and studied biomass technology.
<br />Biomass is any plane-derived organic matter available on a
<br />renewable basis, including agricultural food, wood waste, aquatic
<br />plants, animal waste, municipal waste and other waste materials.
<br />He concluded that biomass as a renewable energy source had
<br />tremendous potential for cutting energy costs. He started with
<br />dry shelled corn, because it's acost-effective method of generat-
<br />ingheat.
<br />"We looked at what types of corn-burning furnaces were on
<br />the market," he says. "We interviewed dealers and customers to
<br />find out what they liked about the existing products and what
<br />they didn't -everything from their operation and how user-
<br />friendly they were to the delivery and installation process - to
<br />get a clear understanding of what the customers wanted," Walk-
<br />ersays. "In order to understand the business, you have ro research
<br />and become an expert in the industry"
<br />Walker's research and work with a team of engineers led to the
<br />design and development of ahigh-efficiency corn-burning stove
<br />that can heat an entire house. He raised $22 million from private
<br />investors and launched Bixby Energy Systems in June 2001.
<br />The stove, called the 50,000-BTU MaxFire, retails for $3,995,
<br />and Bixby sells them through dealers around the country. His
<br />stove holds 106 pounds ofcom-that's about $5 worth-which
<br />Walker says heats a rypica12,500- to 3,000-square-foot home for
<br />more than three days.
<br />"You can heat your home for $1.50 a day," Walker says, adding
<br />that the stove is designed to be used with a conventional furnace's
<br />central fan system to circulate the heat.
<br />Sales are booming and Bixby has a backlog of orders. In 2004,
<br />the first year the stove was on the market, sales were $1.6 million.
<br />"Our goal for fiscal year 2006 was $3 millioq" Walker says, about
<br />the year ending May 31. "We did $8.3 million. Our goal in 2007
<br />is to do $40 million. We're confident that we're going to make that.
<br />I can tell you we have $23 million in orders right now."
<br />With rising energy prices, he says the timing is perfect.
<br />"Consumers can cut their energy costs by 70 percent," he says,
<br />adding that the stove burns corn at a more efficient rate than
<br />wood stoves or other biomass burners available on the marker. It's
<br />a pure corn burner, he says, and doesn't require consumers to buy
<br />any special burn additives to help the stove burn the corn. And
<br />because it burns so efficiently, he says, there's less ash to handle.
<br />He says his "MaxYeld" system incorporates high levels of oxy-
<br />gen for 99.7 percent combustion efficiency "What this means is
<br />more heat per dollar, less ash and no burn enhancers." It's also a
<br />consumer-friendly stove that features an on-board computer for
<br />easy diagnostics.
<br />To meet the growing demand for his stoves, Walker needed to
<br />ramp up production. He moved in May from a 16,000-square-
<br />foot facility in Rogers to a 91,000-square-foot plant in Brooklyn
<br />Park. The company has more than 70 employees and runs two
<br />shiks, but will run production 24/7 in the next couple of months.
<br />"Eventually we will produce 1,500 to 1,800 stoves a month,"
<br />Walker says. "This company is developing twice as fast as Select
<br />Comfort did."
<br />f course, Bixby has plenty of challenges. One is the
<br />rising price of corn. Demand from ethanol plants is
<br />increasing corn consumption, reducing supplies and
<br />pushing tip prices to some of the highest in a decade.
<br />(Corn is the primary ingredient used For ethanol, which is mixed
<br />with gasoline to produce moror fuel).
<br />Corn prices have reached more than $3 a bushel on the Chica-
<br />go Board of Trade. That's more than double the price at some
<br />grain markets in fall 2005. According to the US. Department of
<br />Agriculture, by 2010 U.S. ethanol plants will use 2.6 billion
<br />bushels of corn per year; that's 1.2 billion bushels more than 2005.
<br />"The more corn that ethanol plants use, the more corn prices
<br />will go up and that reduces the value of our product," Walker
<br />says. "That's why we continue working toward our pelletization
<br />process," which will allow Bixby to produce biomass pellets to
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<br />38 UVSIZE SEPTEMBER 2006 www.upsizemag.com
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