Skip to main content
Call Us Direct
(631) 641-5536
Mon-Sat 7-6
Get NYSERDA Rebate Est.Rebate Calculator
228 West Jericho Turnpike, Huntington Station, NY 11746
Mon–Sat, 7am to 6pm
Nassau HIC #H0109620000 · Suffolk HIC #44127-H
Long Island Insulation Co. full crew group photo
14people · All employees

Meet the crew

No subcontractors. No temp labor. Every person on your jobsite is a full-time employee of Long Island Insulation Co., factory trained, insured, and has been with us for years. You will see the same faces from day one to final walkthrough.

We handle the rebate paperwork — you just feel the difference.
Licensed Nassau & Suffolk
HIC #H0109620000 · #44127-H
$2,000,000 Insured
General liability + workers comp
NYSERDA Approved
Factory certified installer
BBB A+ Accredited
Since 2011
4.9★ on Google
214+ reviews
680+ homes done
Nassau & Suffolk · 2013 to now

The people you will work with

Three in the office, three foremen and seniors, six more on the installation crew. Here are the names behind the hard hats.

Dan Kowalski

Dan Kowalski

Founder & BPI Analyst

Runs the company and the crews. Does every walk-through. Signs every warranty.

Since 2013
Marco Rivera

Marco Rivera

Lead Installer & Demilec Specialist

Writes the written quote. Manages the project schedule. Your main point of contact from sign to finish.

Since 2022
Sarah Kowalski

Sarah Kowalski

Office Manager & NYSERDA Coordinator

Handles permits, invoicing, insurance certificates, and scheduling. Keeps the trains running.

Since 2016
Anthony V.

Anthony V.

Lead Installer / Foreman

Runs the primary crew. Hardie and cedar specialist. On every premium job.

Since 2015
Carlos M.

Carlos M.

Lead Installer / Foreman

Runs the second crew. Vinyl and insulated vinyl. Does most of the Suffolk County work.

Since 2016
Brian K.

Brian K.

Senior Installer

Trim, flashing, and detail work. The guy who makes corners and window wraps look right.

Since 2017

Plus six more installers on the crew. We keep a tight team on purpose. Every person knows every other person.

What “all employees” actually means

All W-2 employees. No day labor. No subs.
Factory trained by James Hardie and CertainTeed.
Average tenure: 4+ years with the company.
Full workers comp and $2M general liability.
Every installer carries a company ID on site.
Drug tested, background checked, insured.
Ready when you are

Ready to get a real number on your house?

Tell us your address and Marco will call you back within 4 business hours to schedule a walk-through. The estimate is free. The walk-through takes 30 minutes. No pitch at the end.

We handle the rebate paperwork — you just feel the difference.
680+
LI homes since 2011
4.9
214 Google reviews
4hr
Business-hours callback
(631) 641-5536

or fill out the form, it takes 20 seconds

Schedule a walk-through

Five fields. We take it from there.

No sales pitch. No "today only" nonsense. We call back within 4 business hours. Prefer to talk? (631) 641-5536