Nealon Insulation is a Connecticut-based insulation contractor that has been helping homeowners improve comfort and energy efficiency since 1977. With nearly five decades of experience, the company has built a reputation for straightforward advice, high-quality workmanship, and solutions that actually perform over the long term.
Nealon specializes in a full range of insulation services, including cellulose, fiberglass, and spray foam, along with air sealing and ventilation improvements. Rather than taking a one-size-fits-all approach, the team evaluates each home as a system—identifying where heat loss, drafts, or moisture issues are coming from and addressing the root causes.
Cellulose insulation, fiberglass insulation, spray foam insulation, attic insulation, wall insulation, crawl space insulation, basement insulation, air sealing, ventilation improvements, insulation removal, energy efficiency upgrades
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