WH Demmons, Inc. is Maine Air Conditioning, Portland Sheet Metal, and Demmons Roofing.

We are three companies operating under one roof with each division licensed to do business under their respective names.

We are a Construction/Service company, specializing in design/build/maintain projects, (i.e., about 90% of our work is design/build and 10 % plan and spec) from Portland, Maine north to Waterville and south to Portsmouth New Hampshire.

The majority of our work is on commercial buildings. In addition to commercial work, 25% of our customers are industrial (manufacturing) and about 5% are up scale residential homes.

 

MISSION STATEMENT

To design, build, and maintain systems that create

healthy, safe, and comfortable

indoor environments.

VISION STATEMENT

To be recognized as the most

innovative, best quality building

systems contractor in Maine.

   

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