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TRUSTED BY PECONIC, NY HOMEOWNERS

  • Average homeowner rating star icon4.9
    Average homeowner rating
  • Verified reviews icon17
    Verified insulation services reviews

Top-Rated Insulation pros in Peconic - Updated Nov 2026

Avatar for Home Genius Exteriors
Home Genius Exteriors
4.1(
63
)
Batt, Rolled or Reflective Insulation - Install or UpgradeBlown-In Insulation - Install or Upgrade

Serving Peconic, NY and surrounding areas

Approved

In business since 2004

Free estimates

Emergency services offered

"We just had a roof done by home genius exteriors. We started with Justine at our door setting up an appointment for someone to tell us about the process. The next day Dan came and explained how the company works. He even crawled around our attic to show us the damage. Within 2 days our roof was in the process of being installed. Zach the project manager stopped by 3 times during that day to see how the work was being done. What a professional company. Everyone that we spoke to or met was very professional and friendly,. I would highly recommend this company for installing a roof."
my jobs
my jobs
my jobs
my jobs
my jobs

+87

Recommended by93%of homeowners
Avatar for Twin Fork Waterproofing, LLC
Twin Fork Waterproofing, LLC
4.2(
29
)
Batt, Rolled or Reflective Insulation - Install or Upgrade

Serving Peconic, NY and surrounding areas

Approved

In business since 1977

Free estimates

Emergency services offered

For over 30 years Twin Fork Waterproofing, Inc. has been a family owned and operated business located on the East End of Long Island. We have been the #1 choice of thousands of homeowners and businesses on the North and South Forks and Shelter Island for basement waterproofing and mold disinfection, safe insulation, foundation repair, drainage systems, dehumidifiers, remediation of rodent feces, etc. Twin Fork Waterproofing, Inc. Uses all environmentally safe mildicides and disinfections for your safety and guarantees our work. Call or text us today for a free evaluation.

Basement Remediation
Duct Cleaning
Projects
Projects
Projects

+3

Response time11 hrs
9 neighbors recently requested a quote
Recommended by82%of homeowners
Avatar for Buena Vista Renovations
Buena Vista Renovations
4.8(
2
)
Batt, Rolled or Reflective Insulation - Install or UpgradeBlown-In Insulation - Install or UpgradeInjection Insulation - Install

Serving Peconic, NY and surrounding areas

Approved

In business since 2018

Free estimates

Offers commercial services

We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business!

Response time4 hrs
Response rate100%
Recommended by100%of homeowners
Avatar for Stone Quality Contracting
Stone Quality Contracting
5.0(
3
)
Batt, Rolled or Reflective Insulation - Install or Upgrade

Serving Peconic, NY and surrounding areas

Approved

In business since 2018

Free estimates

Small jobs welcome

Stone Quality Contracting is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty and responsibility in all of our jobs. We are a locally owned and operated business with more than 5 years of experience serving Suffolk County, NY and surrounding areas. There is no job too big, or too small for our team. Call today for a Free Estimate and let us put our experience to work for you! \nFollow us on Instagram @stone_quality_contracting and Facebook Stone Quality Contracting \nCall/Text (631) 978-3387 \nEmail [email protected]

Front Door painted
Ceiling Painted
Shed Stained Door Painted
Deck Staining
Concrete Staining

+17

Response time6 hrs
Recommended by66%of homeowners
Avatar for Go Go Green Insulation
Go Go Green Insulation
5.0(
28
)
Batt, Rolled or Reflective Insulation - Install or UpgradeBlown-In Insulation - Install or UpgradeInjection Insulation - Install+2 more

Serving Peconic, NY and surrounding areas

In business since 2015

Free estimates

Emergency services offered

"They showed up exactly when they said they would. They were efficient, neat and made sure to send me pictures in the various stages of execution. And they cleaned up better than when they found the area. I would highly recommend them. I wish he did more than insulation because he would be my go-to guy for all house related needs."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+119

Recommended by100%of homeowners
Avatar for All Seasons Insulation, Inc.
All Seasons Insulation, Inc.
4.0(
45
)
Batt, Rolled or Reflective Insulation - Install or UpgradeBlown-In Insulation - Install or UpgradeInjection Insulation - Install+1 more

Serving Peconic, NY and surrounding areas

In business since 2012

Free estimates

Warranties offered

"Very courteous, very professional and they were on time just as promised. The beginning and ending of the job was excellent in every way. I would recommend this company to anyone who is interested in insulating their home. Thanks for a great job."
Attic Insulation
PHOTOS OF OUR WORK ON WEB
Spray Foam Truck #2
PHOTOS OF OUR WORK ON WEB
Trucks From Our Fleet

+10

Response time4 hrs
Response rate89%
Recommended by100%of homeowners
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Insulation FAQs, answered by experts

The cost to install or upgrade insulation generally ranges from $1.50 to $4.00 per square foot. The final price depends on factors such as the type of insulation chosen, the total area to be covered (home size), and local labor costs.

Actually, condensation can mean that your windows are more energy efficient because the seal keeps cold air out and warm air in. In some cases, windows with poor seals can lead to more condensation, but they may allow the cold and warm air to mix and reduce condensation. If you’re worried about whether or not your windows are properly insulated, have a pro assess them.

A plastic vapor barrier should completely cover your basement to prevent water from penetrating through the walls. This typically goes before installing insulation to prevent moisture from building up and becoming trapped on the inside of your insulation, where it can collect and lead to mold damage. Installing insulation after the vapor barrier allows for any moisture to exit the walls for better ventilation.

Insulating an unheated garage can still be worth it. For instance, insulating an attached garage can help with heat loss from your house in general, and it can also make it easier to store electronics in your garage without worrying about them being exposed to extreme temperatures.

If you use your detached garage as a workspace, insulation can still make a difference. Plus, you can use space heaters and a window unit AC to help condition the space while you work without installing heating.

Most insulation lasts 15 to 20 years, but it really depends on the type of insulation. Spray foam is a permanent insulation material that can last up to 100 years. Fiberglass and cellulose typically settle, shift, or deteriorate around 15 years. Once your insulation reaches the 15-year mark, it's time to check it for signs of needing to be replaced.

The Peconic, NY homeowners’ guide to insulation services

From average costs to expert advice, get all the answers you need to get your job done.