W.H. Demmons is a leading provider of comprehensive sheet metal services in Portland, ME. With over a century of experience, their team of skilled professionals specializes in HVAC, roofing, gutter installation, and sheet metal fabrication. They are also known for their expertise in professional engineering and building automation systems, offering solutions for improved air quality, process cooling, geothermal systems, and more. W.H. Demmons is committed to creating safe and healthy indoor environments, utilizing innovative technologies like Bipolar Ionization to deactivate viruses and constantly filter and clean the air.
As a trusted company since 1914, W.H. Demmons has built a strong portfolio of successful projects, serving clients in Maine, New Hampshire, and beyond. Their diverse areas of expertise include auditoriums, meeting halls, archival storage, marijuana grow rooms, clean dry rooms, and manufacturing facilities. With a focus on energy solutions and a dedicated team of specialists, W.H. Demmons is dedicated to providing top-notch services and ensuring customer satisfaction.
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