Southern Maine Spray Insulation, formerly The Heat Doctor LLC was founded in 2007 and is owned by Patrick Clark, of Falmouth. Patrick is a Maine native who has a great deal of experience in carpentry, electrical systems and home weatherization. Together we are a small team of skilled professionals--we are proud of our work and we guarantee it!

"The performance of any insulation varies greatly on the quality of the workmanship"


It goes without saying that we are proud of our work and we love what we do! We stand by our workmanship and have become a top Efficiency Maine vendor from highly satisfied customer referrals alone!

March 2015 Crew Photo




Meet our Energy Auditor and General Manager, Molly Toothaker. Molly handles many of the behind the scenes duties as well as offers free estimates and comprehensive home energy audits. Molly graduated from The University of Southern Maine in 2009, earning her BS in Business Administration. She is also a Building Performance Institute certified Building Analyst. She is eager and excited to help you weatherize your home and reduce your carbon footprint!

Molly, Energy Auditor

© 2019