Thermal Craft Insulation Company is a Boulder-based provider of insulation and energy efficiency upgrades for homes and businesses in and around Boulder, Colorado, along the Front Range. When it comes to being green and eco-friendly-not to mention increasing your indoor comfort and saving money on heating & cooling costs-there is no smarter investment than adding insulation. For over 28 years, we've been helping home and business owners like you do the right thing, both for the planet and your wallet.