Nealon Insulation

Nealon Insulation is Connecticut’s trusted insulation partner, delivering energy efficiency and comfort since 1977. With nearly five decades of hands-on experience, we specialize in high-performance insulation solutions—from cellulose and fiberglass to spray foam—tailored for New England homes and weather.

Our customers choose us because we do it right: no shortcuts, no hard sells, and no mystery pricing. Just expert craftsmanship, honest advice, and work that stands the test of time

• Cellulose Insulation
• Expert Fiberglass Insulation
• Spray Foam
• How Much Will Insulation Cost?
• Air Sealing Connecticut