Ballard, the energy manager for the Maine Army National Guard takes a thermal image of the intakes and returns for the combined heat and power system at the Maine Army National Guard Aviation Support Facility in Bangor, Maine. The award-winning system has already saved the MEARNG $60,000 in heating and electric costs, but Ballard and his team say they are always looking to improve efficiency.

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Photo credit: © Chuck Little / Alamy / Afripics
License: Licensed
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Keywords: air, america, archive, armed, army, aviation, defence, engineers, force, forces, guard, maine, military, national, navy, reportage, resources, service, serviceman, servicemen, soldier, states, united, usa