Central Washington University has received a $1.2 million grant from the Washington State Department of Commerce to capture lost fuel energy from boiler smoke stacks, and to convert saved energy into heating for the new Science Phase II project. Since 1997, CWU's proactive energy efficiency policy has resulted in more than 200,000 square feet of building space added to the university footprint, without a corresponding increase in energy consumption.
“The current project takes advantage of the Washington State Department of Commerce grants that became available last year,” said Pat Nahan, manager, CWU Engineering Services and Resource Conservation. “The boiler plant sends about 20 percent of fuel energy out of the stacks and into the atmosphere. That 20 percent is wasted as products of combustion. The grant will allow us to build a heat recovery exchanger to remove heat from products of combustion before they are released to the atmosphere.”
While the heat recovery exchanger won’t be able to recover 100 percent of the wasted energy, Nahan expects that the recovery should provide enough energy to heat Science II.
“This unique project caps a lot of the energy work that Central has been doing for almost 20 years,” said Nahan. “Although we’ve added considerable building space to the university, we have not increased our energy expenditure, thanks to an aggressive energy conservation investment.””
The heat recovery exchange project should be completed by next May. Total funds for the project were provided by the state Department of Commerce, CWU, and state capital funds.
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