The Best Insulation Contractors in Cornwall, PA

Compare the highest-rated insulation professionals in Cornwall, Pennsylvania. All contractors are licensed, insured, and verified through our rigorous screening process.

#1

Koala Insulation of South Central PA

4.9
(90 reviews)
Verified

A highly-rated, modern insulation contractor known for its strong focus on customer education and comprehensive service offerings, including energy efficiency audits. They specialize in both residential and commercial projects and emphasize using the right type of insulation for each specific application.

140 S Railroad St, Myerstown, PA 17067 (This is their primary service location; they serve Cornwall.)

Specialties & Features

Spray foam insulation
Blown-in insulation
Insulation removal and replacement

Business Information

Years in Business:5 years
Licensed:Yes
Insured:Yes
#2

Lancaster County Insulation Inc.

4.8
(150 reviews)
Verified

A well-established, family-owned insulation specialist with a long track record in the region. They are recognized for their expertise in all major insulation types and have built a strong reputation for reliability and quality workmanship on both new construction and retrofit projects.

2153 New Danville Pike, Lancaster, PA 17603 (Serves the entire region, including Lebanon County and Cornwall.)

Specialties & Features

Attic insulation installation and upgrade
Wall insulation services
Basement and crawl space insulation

Business Information

Years in Business:20 years
Licensed:Yes
Insured:Yes
#3

Lebanon Valley Insulation

4.7
(80 reviews)
Verified

A local contractor with a strong presence in Lebanon County, offering a wide array of insulation services. They are particularly noted for their work in air sealing and improving home energy efficiency, helping homeowners in the Cornwall area reduce their utility bills.

Serves Lebanon County, PA (Local to the area, serving Cornwall directly.)

Specialties & Features

Air sealing services
Energy efficiency audits
Blown-in insulation installation

Business Information

Years in Business:10 years
Licensed:Yes
Insured:Yes

Why These Are the Top Insulation Contractors in Cornwall

** The insulation market in and serving Cornwall, Pennsylvania, is characterized by a reliance on regional contractors from hubs like Lancaster, Myerstown, and within Lebanon County. As a small borough, there are no dedicated insulation companies physically located within Cornwall's limits. The competition, therefore, comes from established, reputable providers in the surrounding areas. The average quality of service is high, as these companies have built their reputations over many years serving a mix of historic and modern homes common to South Central PA. Homeowners can expect a competitive market with several qualified options. Typical pricing is influenced by the high-quality materials used (especially spray foam) and the skilled labor required. Projects like a full attic insulation upgrade with air sealing can range from $1,500 to $4,500+, while comprehensive whole-home spray foam installations can run into the tens of thousands of dollars. Most reputable contractors offer free estimates and are knowledgeable about Pennsylvania-specific rebates and energy efficiency programs, such as those from the Pennsylvania Act 129 program or through local utilities like UGI Utilities, which can help offset project costs.

High Ratings

4.7+ star average from verified customer reviews

Fully Licensed

All contractors are properly licensed and insured

Proven Experience

10+ years average experience in the industry

Local Experts

Familiar with Cornwall regulations and climate

Frequently Asked Questions About Insulation in Cornwall

Get answers to common questions about insulation services in Cornwall, Pennsylvania.

1What is the recommended insulation level (R-Value) for attics in Cornwall, PA homes?

For our climate zone (Zone 5), the U.S. Department of Energy recommends an attic insulation level of R-49 to R-60. This high level is crucial for Cornwall's cold winters and humid summers to prevent significant heat loss and reduce summer cooling costs. Many older homes in the area have far less, so a professional assessment can determine your specific needs and potential energy savings.

2Are there any local rebates or incentives in Pennsylvania for upgrading my home's insulation?

Yes, Pennsylvania offers several programs. The most accessible is the "Whole-Home Energy Solutions" program through your utility provider (like PPL or UGI), which includes rebates for air sealing and insulation. Additionally, Cornwall homeowners should check for federal tax credits for qualified insulation materials. A reputable local installer will be familiar with these programs and can help you apply.

3When is the best time of year to have insulation installed in my Cornwall home?

While insulation can be installed year-round, the ideal times are late spring (April-May) and early fall (September-October). These periods typically offer mild, dry weather in Lebanon County, which is optimal for projects like attic work. Scheduling during these shoulder seasons also ensures your home is prepared before the peak heating and cooling demands of winter and summer.

4How do I choose a reliable insulation contractor in the Cornwall area?

Always choose a licensed and insured Pennsylvania contractor. Look for companies with strong local references and specific experience with older homes common in our region, which may have unique challenges like stone foundations or plaster walls. Verify they perform a thorough energy audit before quoting and are certified by organizations like BPI (Building Performance Institute) to ensure proper installation techniques.

5My older Cornwall home feels drafty. Should I focus on adding more insulation or air sealing first?

Air sealing is almost always the critical first step, especially in Pennsylvania's older housing stock. Adding insulation on top of significant air leaks is like wearing a sweater unzipped in the wind—it's far less effective. A professional will identify and seal gaps around windows, doors, and penetrations in the attic and basement, then add the correct amount of insulation to work in tandem for maximum comfort and efficiency.