W.H. Demmons in Portland, Maine designs-builds-maintains energy efficient building systems including HVAC, Controls, Geothermal Heating and Cooling, Duro-Last White Roofs, Metal Roofs & more.
W.H. Demmons, Inc. meets all your HVAC, Geothermal and Roofing needs

Fore Street Historic Restoration


Our highly skilled crew carefully articulated an 80' crane up and
around a corner in order to repair this historical slate shingle roof
on this 60ft high building


W.H. Demmons Roofing installs and maintains a variety of roofing types including historical restoration

W.H. Demmons Roofing, in Portland Maine, has been a roofing leader since 1914
* W.H. Demmons, Inc. * 93 Warren Avenue * Portland, Maine 04103 * 207-797-7468 * www.whdemmons.com