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TRUSTED BY CARLISLE, PA HOMEOWNERS

  • Average homeowner rating star icon4.5
    Average homeowner rating
  • Verified reviews icon46
    Verified insulation services reviews

Top-Rated Insulation pros in Carlisle - Updated Nov 2026

Avatar for RetroFoam of Philadelphia
RetroFoam of Philadelphia
5.0(
22
)
Spray Foam Insulation - InstallInjection Insulation - Install

Serving Carlisle, PA and surrounding areas

Approved (Corporate)

In business since 2023

Free estimates

Warranties offered

"We are extremely satisfied with the whole process of our house being insulated. First we had the walls done, and then a couple weeks later we had our attic insulated. The crew were so nice, friendly, and knowledgeable. We are very satisfied with everything. Thank you, everyone."
RetroFoam Wall Insulation
Installing RetroFoam
RetroFoam with Siding
RetroFoam with Brick
Response time1 day
Response rate100%
130 neighbors recently requested a quote
Avatar for Tri-State Builders
Tri-State Builders
4.6(
104
)
Spray Foam Insulation - InstallInjection Insulation - Install

Serving Carlisle, PA and surrounding areas

Approved

In business since 2000

Free estimates

Emergency services offered

"Very friendly crew. Very fast service. Went above and beyond to get my house insulated when I needed it last minute. I will definitely be calling back for future projects."
 Kitchen
Barber Addition
Rowland Addition
Custom Home
Traska Addition

+36

Response time3 days
20 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Keystone Enviro Systems
Keystone Enviro Systems
5.0(
2
)
Blown-In Insulation - Install or UpgradeBatt, Rolled or Reflective Insulation - Install or UpgradeInjection Insulation - Install

Serving Carlisle, PA and surrounding areas

Approved

In business since 2003

Free estimates

Small jobs welcome

Keystone Enviro-Systems is a small family owned business. We specialize in cellulose and fiberglass insulation. We pride our company on reliability, great communication, integrity, and quality work. We strongly believe in giving our absolute best in all of our projects no matter how big or small. We are experts in our trade and will always keep you educated on your particular task or project. We look forward to earning your business!

Roof Line Dense Pack
Roof Line Dense Pack
Response time4 days
22 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Iron Valley Spray Foam LLC
Iron Valley Spray Foam LLC
5.0(
1
)
Spray Foam Insulation - Install

Serving Carlisle, PA and surrounding areas

Approved

Free estimates

Offers commercial services

We have a single mission: Complete Customer Satisfaction! We have consistently focused on the needs of our customers, providing personalized attention and a stress-free experience. \nYou will find us to be competitively priced with close attention to the details. \nOur reputation is based on service, safety, and quality, regardless of how large or small the job. \nWe look forward to building a lasting relationship and guarantee your satisfaction! \n

Keystone Enviro Systems
New to Angi
Blown-In Insulation - Install or UpgradeBatt, Rolled or Reflective Insulation - Install or UpgradeInjection Insulation - Install

Serving Carlisle, PA and surrounding areas

Approved

In business since 2003

Free estimates

Credit card accepted

Keystone Enviro-Systems is a small family owned business. We specialize in cellulose and fiberglass insulation. We pride our company on reliability, great communication, integrity, and quality work. We strongly believe in giving our absolute best in all of our projects no matter how big or small. We are experts in our trade and will always keep you educated on your particular task or project. We look forward to earning your business!

5 neighbors recently requested a quote
Superior Insulation
4.9(
68
)
Batt, Rolled or Reflective Insulation - Install or UpgradeBlown-In Insulation - Install or UpgradeInjection Insulation - Install+2 more

Serving Carlisle, PA and surrounding areas

In business since 2000

Free estimates

Credit card accepted

"We are finishing our basement. We put up framing, insulation and paneling only to discover we had a condensation problem. We contacted a locally well known water damage and restoration company. After waiting two weeks, they called to tell us they were not interested in working with us. During these few weeks, we tore down the paneling and insulation.  We contacted Superior Insulation after noticing their great reviews here on Angie's List. We talked to Rick who gave us an idea of what the solution was and set up an appointment to view the problem area. Once he saw the problem area, he decided on a slightly different solution. Contract signed 3/18/15. Work completed  by Rick and Jim 3/30/15. They were very professional, thorough and nice to deal with. We are very happy with what they did.
"
Recommended by95%of homeowners
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Insulation FAQs, answered by experts

Cellulose insulation is usually made from recycled paper products, such as old newspapers, but cellulose might also contain recycled denim. While most homeowners traditionally buy cellulose insulation to use for installation, it is possible to make your own at home with old newspapers, cardboard, a paper shredder, and boric acid (important for fireproofing your cellulose insulation materials).

Air sealing isn't necessary for attic insulation, but it's incredibly helpful since it can help you identify and patch any existing air leaks. Failing to find these leaks before adding insulation can render your insulation less effective, leading to higher energy bills and potentially costly repairs down the line.

Minimal but regular checks can ensure maximum thermal performance.

The amount of insulation you need will vary depending on where you live. Energy Star recommends certain minimum insulation values in different geographic regions. In most cases, however, even adding a little insulation is better than not adding any.

Monolithic slabs don’t require insulation, but many homeowners choose to have their contractors install insulation under the slab during construction. This can help improve home efficiency even more and keep indoor temperatures more stable. Slab foundations are more energy-efficient than uninsulated crawl spaces and basements, and insulated slab foundations are more energy-efficient than insulated crawl spaces and basements.

The Carlisle, PA homeowners’ guide to insulation services

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