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


Controls Projects

Individualized schematics specifically designed for HVAC system using Reliable Controls

Maine State Credit Union, Waterville Maine

W.H. Demmons' HVAC and Controls Division provided the Maine State Credit Union a HVAC system using the Mach-Pro controls system from Reliable Controls.

The Reliable Controls Mach-System has been designed to be simple to install, easy to program, flexible to network and economical to purchase.

     
W.H. Demmons installed digital controls at Thomas College Thomas College

W.H. Demmons installed digital controls into Thomas College's new student housing townhouses. Should there be an emergency such as fire or an assault, alarms are emailed to security and campus maintenance notifying them of any problems.
 
 
Maine Wood Theaters Maine Wood Treaters, Mechanic Falls, Maine

W.H. Demmons installed this Geothermal Hybrid System for process control of wood pressure treating. The geothermal heat pump system provides hot water for the chemical process of pressure treating lumber.
View Full Version


 
Saco Biddeford Savings Saco Biddeford Savings, Maine

W.H. Demmons installed the Geothermal System which provides heating and cooling for the eight zone systems at the Saco Biddeford Savings Institution. A single air handler is used with VAV controllers to air condition and heat the entire building.
View Full Version
     
     
     
Follow us:


 



W.H. Demmons, Inc. | 93 Warren Avenue | Portland, Maine 04103 | 207-797-7468 | www.whdemmons.com