Our Team

Weatherization Experts as a company of experts in various fields, all operating under our management. This way, you get the best expertise in a wide range of building engineering needs without narrowing your focus on only those areas a company has skills in. We have the tools to deal with any problem, and can bring the right approach or combination of approaches to your home. 

Bill Keller

Owner-Manager

Bill has many years of carpentry experience behind him. He was trained and certified by the Maine State Housing Authority as a weatherization technician and has received training and certification, along with his entire crew, as a Lead Safe Contractor. He has also trained with Fujitsu in installation of mini-split ductless heat pumps. He has just finished training in Building Technology through The Building Performance Institute, Inc. (BPI). Bill is committed to education and training for himself and all of Weatherization Experts’ associates. You can be sure of the latest and best in building efficiency, comfort and health with Weatherization Experts.

Richard has been a builder and contractor for thirty years. His company, Pine Hills Building Company, has a well deserved reputation for quality in the Mid-coast area. He has been trained Like Bill, he was trained and certified by the Maine State Housing Authority as a weatherization technician and has received training and certification, along with his entire crew, as a Lead Safe Contractor. He has also received training from Fujitsu in installation of mini-split ductless heat pumps. He has just finished training in Building Technology through BPI.

Richard Cash

Owner-Manager

Don Protheroe

BPI Certified Building

Analyst


Don is a  1979 Graduate of the University of Connecticut where he majored in Agricultural Engineering.  He has spent the majority of his working career in plant- and  maintenance management positions.  Don has always been passionate about energy conservation and in 2008 earned the BPI Certification to allow him to become involved in the weatherization industry.   He has performed many home energy audits for homes large and small and has seen firsthand the benefits that can be achieved through energy saving improvements.  Don has worked with the Efficiency Maine Home Energy Savings Program as an Energy Advisor  for several years.