Since 1981, Thayer, LLC has been providing HVAC services and energy solutions to commercial, industrial, and institutional buildings throughout Maine and southern New Hampshire. Our experienced team specializes in meeting the unique needs of clients by customizing solutions that maximize clients' operating budget, increase the building’s efficiency, and help to prolong the life of building assets. Service and solution offerings include building design, equipment retrofits and replacements, proactive and preventive maintenance, control systems, measurement and verification, energy management, and more. Thayer, LLC was built on one primary core value: “To Provide unparalleled customer service to the HVAC Design/Build Industry. Thayer, LLC operates from a modern corporate office and fabrication facility in Auburn, Maine. Thayer serves the entire state of Maine, with a fleet of over 40 service and installation professionals dispatched throughout Maine.