W.H. Demmons, Inc.

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93 Warren Ave
Portland, ME 04103
+1 (207) 797-7468
http://www.whdemmons.com

W.H. Demmons, Inc., established in 1914, is a leading provider of energy solutions, specializing in HVAC, roofing, gutter installation, and professional engineering services across Maine and New Hampshire, with national and international capabilities for building automation systems. Committed to creating safe and healthy indoor air quality, the company employs innovative technologies, such as Bipolar Ionization, to help combat airborne contaminants, including coronavirus.

With a focus on diverse areas of expertise, including geothermal systems, marijuana grow rooms, and archival storage solutions, W.H. Demmons has a proven track record in residential and commercial sectors. The company's dedication to improved air quality is underscored by independent studies verifying the effectiveness of their air purification systems, ensuring clients enjoy a cleaner indoor environment.

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Demmons Roofing Inc

Established in 1914, Demmons Roofing is a commercial and high-end residential roofing contractor that serves clients in the state of Maine. It provides installation services for single-ply membrane, standing seam metal, and tar and gravel roofs. Demmons Roofing is an approved applicator of roofing products from various manufacturers, such as Firestone Building products and Carlisle Syntec Systems. It specializes in historical restoration, as well as provides emergency leak repair services. Demmons Roofing handles roofing projects for schools, restaurants, marinas, breweries and office buildings. Its client list includes Clark associates, Weir Properties, The Gerber Company and Saunders Brothers. Located in Portland, Maine, Demmons Roofing is a division of W.H. Demmons Incorporated, which is a specialty contractor that designs, manufactures and maintains heating, ventilating and air conditioning systems. W.H. Demmons Incorporated also offers sheet metal fabrication services.

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United States›Maine›Portland›W.H. Demmons, Inc.