Colonial Insulation now offers a next-generation HFO spray foam that’s easier on the environment and tougher on energy loss. With a higher R-value per inch, it delivers better performance using less material, thereby cutting insulation costs significantly. Because of these savings, we’re passing the value directly to you, bringing our insulation prices to the lowest they’ve been in years.

Living in Keene, New Hampshire means enjoying a lively downtown, scenic trails, and the cultural hub of Cheshire County. But with long, cold winters and humid summers, maintaining comfort can be a challenge. Drafts, uneven temperatures, and rising utility bills are all signs your property needs better insulation. That is where Colonial Insulation comes in. As your trusted insulation contractor in Keene NH, we bring years of experience helping New England homeowners and businesses improve comfort and efficiency.

At Colonial Insulation, we know that every home and building has unique challenges. From historic downtown homes with drafty attics to modern commercial properties needing advanced insulation systems, our certified crews deliver customized solutions. We specialize in spray foam, blown cellulose, fiberglass, and air sealing that lower heating and cooling costs while making your space more comfortable.

Our approach is clear and simple. We focus on communication, provide fair pricing, and complete projects with care and professionalism. We never recommend unnecessary services and always explain your options. Our goal is to help Keene residents and businesses enjoy consistent comfort while saving money on energy.