Meet NEPI: Connecticut's Trusted Insulation Experts Since 2015

Meet NEPI: Connecticut's Trusted Insulation Experts Since 2015

When it comes to insulation, not every contractor takes the time to truly understand your building's needs. At New England Performance Insulation (NEPI), based in Milford, Connecticut, that personalized approach is at the core of everything we do. Since 2015, our team has been helping homeowners, builders, and commercial contractors across the New Haven County region create spaces that are more energy-efficient, comfortable, and safe — from spray foam and fiberglass to crawl space encapsulation and commercial fireproofing.

In this article, you'll get to know who we are, what we do, and why the right insulation partner makes all the difference for your home or commercial building.

Who We Are

NEPI Foam is a locally owned and operated insulation contractor serving residential and commercial customers throughout Milford, CT and the surrounding New Haven County area. As proud members of the CT HomeGuild contractor network, we hold ourselves to a high standard of professionalism, craftsmanship, and customer education.

Co-owner Vernon Cox started this company with a clear mission: help property owners make smarter decisions about insulation — not just sell them a product. That philosophy drives every consultation, every install, and every follow-up we do. Our team brings years of hands-on experience across a wide range of insulation systems, and we're committed to getting it right the first time.

Whether you're a first-time homeowner looking to cut energy bills, a builder working on new construction, or a commercial contractor needing compliant fireproofing, NEPI has the expertise to deliver results you can feel.

Our Services

Spray Foam Insulation

Spray foam is one of the most effective insulation systems available — and it's one of our specialties. Unlike traditional materials, spray foam expands on contact to fill gaps, cracks, and cavities that other insulation simply can't reach. It creates an airtight seal that dramatically reduces air infiltration, improving energy efficiency and indoor comfort year-round.

We install both open-cell and closed-cell spray foam depending on your application. Open-cell is ideal for interior walls and attic spaces where sound dampening and flexibility matter. Closed-cell provides a rigid, moisture-resistant barrier — perfect for crawl spaces, basement walls, rim joists, and exterior applications. Our team will help you understand which type is right for your specific project before we ever pick up a spray gun.

Fiberglass Insulation

Fiberglass batts and blown-in fiberglass remain a dependable and cost-effective solution for many residential applications. But here's what most people don't realize: the performance difference between a properly installed fiberglass job and a sloppy one is enormous. Gaps, compression, and improper coverage are some of the most common causes of energy loss — and they're entirely preventable.

At NEPI, we install fiberglass with the same precision and care we bring to spray foam. That means proper coverage, correct R-values for your climate zone, and attention to details like vapor barriers and air sealing at penetrations.

Cellulose Insulation

Made from recycled paper fiber, cellulose is an eco-friendly option that delivers solid thermal and sound performance. It's particularly effective in attic applications and retrofit projects where existing insulation needs to be supplemented or replaced. Blown-in cellulose conforms to irregular shapes and fills around obstacles that batts can't, making it a smart choice for older homes with non-standard framing.

Crawl Space Encapsulation

A damp, unconditioned crawl space can silently sabotage your home's air quality, structural integrity, and energy performance. Moisture intrusion leads to mold, wood rot, and pest problems — and the warm, humid air from an open crawl space rises directly into your living areas. NEPI's crawl space encapsulation solutions seal out moisture, prevent mold growth, and improve the overall comfort and health of your home from the ground up.

Commercial Fireproofing

For commercial clients, we provide professional fireproofing services designed to protect structural steel, meet building codes, and maintain life safety standards. Structural steel loses significant strength at high temperatures — fireproofing materials slow that process, buying critical time for evacuation and fire suppression in an emergency.

This is a specialized service that requires precision, proper product selection, and thorough quality control. Our team has the training and experience to deliver compliant fireproofing for commercial construction projects of all sizes throughout New Haven County and the surrounding region. Learn more on our commercial services page.

New Construction vs. Retrofit: We Do Both

One of the things that sets NEPI apart is our versatility. We work on both new construction projects — where we can plan and install the insulation system from the ground up — and retrofit installations in finished or occupied homes. These are genuinely different disciplines.

In new construction, we coordinate with builders and other trades to ensure insulation is installed at the right point in the build sequence, with the right materials for the building's design and energy targets. In retrofit work, we assess what's already in place, identify where energy is being lost, and select solutions that can be installed with minimal disruption to the existing structure and its occupants.

Both require expertise, and our team has deep experience in both contexts. If you're a builder looking for a reliable insulation subcontractor, or a homeowner whose older home has never been properly insulated, we're ready to help.

Our Approach: Listen, Educate, Deliver

Vernon puts it simply: "We don't just install insulation. We help you make the smartest choice for long-term comfort and savings. At NEPI, we listen, we educate, and we deliver."

That means starting every project with a conversation — understanding how the building is used, where the occupants feel discomfort, what the energy bills look like, and what the budget and timeline allow. It means explaining the tradeoffs between different insulation types honestly, so you can make an informed decision rather than just trusting a salesperson's recommendation. And it means executing with precision, because even the best insulation material performs poorly when it's not installed correctly.

This commitment to education and quality is why so many of our customers refer their neighbors, friends, and colleagues to NEPI.

Frequently Asked Questions

Ready to Make Your Property Perform Better?

Whether you're dealing with cold spots in winter, high energy bills, a damp crawl space, or a new build that needs insulation from the ground up — NEPI has the right solution for you. We bring expertise, education, and precision to every job, and we're not done until the work is right.

Contact us today to get started. Call (203) 783-0748 , visit us at 262 Quarry Rd, Milford, CT 06460 , or request a free estimate at nepifoam.com.