Professional Insulation Services in Suffolk County
Long Island's Trusted Insulation Contractor
Paramount Insulation provides attic, wall, basement and blown-in insulation throughout Suffolk and Nassau County. Family owned since 2004.
Family Owned Since 2004
Family owned and operated, serving Long Island for over 20 years.
Owner-Led Team
Hands-on leadership involved from consultation through installation.
Lake Grove, NY
Locally based and focused on Suffolk & Nassau counties.
5.0★ on Google
4.9 on Angi from 160 reviews.
Our Insulation Services
Professional insulation solutions for residential and commercial properties across Long Island
Why Long Island Homes Need Quality Insulation
Long Island's coastal climate creates unique challenges for homeowners. We're located between the Atlantic Ocean and Long Island Sound. This means we face extreme temperature swings, high humidity, and harsh winters. Your home needs proper insulation to handle these conditions.
Winter Ice Dams
Poor attic insulation causes ice dams on Long Island roofs every winter. Here's how it happens: Warm air escapes through your attic. This melts snow on the roof. The water runs down and refreezes at the edges. Ice backs up under shingles and causes expensive water damage. Proper insulation stops this problem completely.
Summer Heat Gain
Suffolk and Nassau County summers push attic temperatures to 140-160°F. Without good insulation, this intense heat moves into your living spaces. Your air conditioning struggles to keep up. Energy bills go sky-high. Quality insulation blocks this heat transfer and keeps your home comfortable.
Coastal Humidity
Our coastal location means high humidity year-round. Poor insulation lets moisture enter walls and attics. This leads to mold growth and wood rot. Proper insulation with vapor barriers controls moisture. It protects your home's structure and your family's health.
Why Long Island Homeowners Choose Paramount Insulation
Since 2004, we've helped Suffolk County and Nassau County residents save money and increase comfort. Our professional insulation services protect your home.
Locally Owned & Operated
Founded in Lake Grove, NY in 2004. We understand Long Island's unique climate challenges. We serve Suffolk County, Nassau County, and Queens. Our solutions work for coastal conditions, harsh winters, and humid summers.
Verified Reputation
Rated 5.0 on Google (23 reviews) and 4.9 on Angi (160 reviews), as of November 2026. Most of our written Google reviews mention Joe by name.
Owner-Led Projects
When you call (631) 492-0214, you talk to Joe, the owner. He answers his own calls and texts, gives you a straight answer, and calls back the same day if he misses you.
Easy to Reach
Call (631) 492-0214 or email info@paramountinsulationli.com to connect directly with our team. Joe answers his own calls and texts, Monday to Saturday, 7 AM to 7 PM, and calls back the same day if he misses you. He'll set up your free estimate at a time that works for you.
Complete Service Area Coverage
We serve all of Suffolk County and Nassau County. This includes Huntington, Smithtown, Islip, Babylon, Brookhaven, Riverhead, Hempstead, Oyster Bay, and the Hamptons. No job is too far.
Transparent & Trustworthy
Find our verified profiles on Google, Angi, Nextdoor, and Yelp. Read real reviews from your neighbors. We have nothing to hide. We have everything to prove.
Insulation Contractors Serving All of Long Island
From the North Shore to the South Shore. From the North Fork to the Hamptons. Paramount Insulation provides expert insulation services throughout Suffolk County, Nassau County, and Queens. We also love island work: Fire Island and Shelter Island homes are some of our favorite jobs.
We've completed hundreds of projects across Long Island. Do you live in a historic home in Huntington? A ranch in Smithtown? A beach house in the Hamptons? We understand your home's specific insulation needs.
What Our Customers Say
Don't just take our word for it. Here's what homeowners across Long Island say about our work.
What customers mention most: Joe gives straight answers, the crew shows up on time, the price is fair, and the house is left clean.
"Excellent job! The insulation was done perfectly and right on time. I’d definitely recommend them!"
Darryl D.
Nov 2023 · HomeAdvisor (Angi)
Leak or storm damage?
Once the leak is stopped, call Joe. We replace wet and damaged insulation.
Ready to Work with a Trusted Local Team?
Schedule a free estimate with Paramount Insulation and connect with our owner-led crew.