W.H. Demmons W.H.

Even the most efficient space can be hindered with operational issues if that space does not have properly designed HVAC/R systems.

The engineers of W.H. Demmons work with clients to create an HVAC/R solution appropriate for each project’s specific needs and parameters, including control of humidity, odors, energy recovery, temperature, and fresh makeup air.

Geothermal HVAC System at CEI in Brunswick ME

Our goal is to design an energy efficient system capable of making any space as comfortable and operational as possible, to ensure your business and its occupants are operating at peak capacity.



For over 30 years, W.H. Demmons’ engineers have designed efficient HVAC/R and process cooling solutions for numerous local and international corporations.

Example engineering schematics:

Ready to get started on your next project?

Contact Us »

Skip to content