Portland Sheet Metal

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93 Warren Ave
Portland, ME 04103
+1 (207) 797-4886
https://whdemmons.com

W.H. Demmons, established in 1914, is a leading provider of HVAC-R, roofing, gutter installation, and sheet metal services, serving clients in Maine and New Hampshire, as well as nationally and internationally through their engineering and building automation systems offerings. The company is dedicated to creating safe, healthy indoor air, employing cutting-edge technologies such as Bipolar Ionization to combat airborne pathogens, including COVID-19.

With a diverse portfolio that includes improved air quality solutions for environments like auditoriums, manufacturing, and geothermal systems, W.H. Demmons continually demonstrates its commitment to energy efficiency and innovation. Their expert team collaborates with various partners to design and install state-of-the-art systems, helping clients breathe easier and maintain high indoor air quality standards.

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