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        Policy UpdatesNewsroomReoptimizationBIOGRAPHIESAF Senior Leaders      Two hangars at Joint Base McGuire-Dix-Lakehurst, N.J., are saving as much as $100,000 per year in utility costs following the installation of solar walls in 2013. The red solar walls were specially designed to blend with the existing walls, a requirement because of the historic nature of the facilities. (Courtesy photo)141016-F-MM948-001
                        
                        
                        Two hangars at Joint Base McGuire-Dix-Lakehurst, N.J., are saving as much as $100,000 per year in utility costs following the installation of solar walls in 2013. The red solar walls were specially designed to blend with the existing walls, a requirement because of the historic nature of the facilities. (Courtesy photo)
                
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Historic hangars merge past with presentPublished Nov. 4, 2014
                    
                    By Jennifer Schneider
                    
                    
                    Air Force Civil Engineer Center Public Affairs
            **JOINT BASE MGUIRE-DIX-LAKEHURST, N.J. (AFNS) --**The past has met the present at the historic lighter-than-air program district here.
Two historic hangars on base were fitted with solar walls last year, and the effort is saving the installation as much as $100,000 per year in utility costs. In addition to cost savings, the systems are expected to reduce greenhouse gas emissions by more than 470 metric tons per year -- the equivalent of taking about 100 passenger vehicles off the road.
Located adjacent to the site of the 1937 Hindenburg disaster, the hangars were originally built to house the patrol airships, or blimps, that accompanied supply ship convoys in support of the war effort in Europe during World War II. The blimps played a crucial role in anti-submarine warfare conducted by the allies against German U-boats. Since the mid-1970s, the hangers have been used by the Navy as industrial shops for the production of launching and arresting gear components for aircraft carriers.
To help meet the installation's energy reduction goals and reduce natural gas heating costs, energy experts with the 87th Civil Engineer Squadron researched energy-saving options for the hangars, and ultimately chose to install solar walls.
"These facilities were large natural gas users in the winter," said Chun Eng, the base energy manager. "They also both have a southern exposed wall, with no windows or offices behind the walls which made it easier for installation."
The walls work by using the sun to heat the building's ventilation air, thereby reducing dependence on other energy sources for heating purposes, Eng said. The systems, which will pay for themselves in less than eight years, are relatively maintenance-free and projected to last 30 years or more.
While the benefits can be substantial, fitting historic buildings with solar walls can be challenging, as the additions cannot detract from the historic character of the facility, said John Joyce, the base natural and cultural resources manager.
"The biggest challenge is visual," Joyce said. "If you can't get the panels to blend, they kind of stick out like a sore thumb. Who goes by a roof full of solar panels and doesn't notice that it's a roof full of solar panels?"
To overcome this issue, the installation's cultural resource and energy team worked closely with the New Jersey Historic Preservation Office to design panels that blend almost perfectly with the existing exterior hangar walls.
The project proves that protecting the past doesn't have to infringe on the future, Joyce said.
"We had what amounted to two potentially competing goals -- historic preservation and energy conservation," Joyce said. "Like a lot of other things you do in life, it's a balancing act. A project like this one proves it can be done to satisfy both requirements. It does take effort, but in the long run, this project will save money and yet it doesn't really infringe on the historic character of the building. It was a win-win in this case."environment 



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