The Best Insulation Contractors in South Mountain, PA

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

#1

Supreme Insulation

4.8
(180 reviews)
Verified

A highly-rated, family-owned contractor specializing in comprehensive home performance and insulation solutions. They are known for their detailed energy audits and expert installation of both spray foam and blown-in insulation systems. Their strength lies in diagnosing and solving home efficiency issues holistically.

1232 Lincoln Way E, Chambersburg, PA 17201 (Serves South Mountain)

Specialties & Features

Spray foam insulation
Energy efficiency audits
Air sealing services

Business Information

Years in Business:12 years
Licensed:Yes
Insured:Yes
#2

Green Energy Solutions of PA

4.6
(110 reviews)
Verified

This provider focuses on modern, energy-efficient insulation upgrades with a strong emphasis on eco-friendly materials and maximizing homeowner rebates. They are particularly skilled in complex attic insulation and air sealing projects to reduce energy bills.

45 Black Gap Rd, Gettysburg, PA 17325 (Serves South Mountain)

Specialties & Features

Attic insulation installation and upgrade
Blown-in insulation installation
Insulation removal and replacement

Business Information

Years in Business:8 years
Licensed:Yes
Insured:Yes
#3

Keystone Home Energy

4.4
(90 reviews)
Verified

A reputable contractor with a broad range of services, including foundational work like basement and crawl space insulation. They are a reliable choice for complete insulation removal and replacement projects and are well-versed in Pennsylvania's building codes.

8928 Williamsport Pike, Hagerstown, MD 21740 (Serves the South Mountain region)

Specialties & Features

Basement and crawl space insulation
Wall insulation services
Insulation removal and replacement

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes

Why These Are the Top Insulation Contractors in South Mountain

** The insulation market serving South Mountain, PA, is characterized by a small number of highly specialized regional contractors rather than local providers within the community itself. The competition is moderate but quality is generally high, as the companies that succeed are those with established reputations across Franklin and Adams counties. Homeowners in South Mountain benefit from contractors who are familiar with the specific climate challenges of South Central Pennsylvania and the older housing stock common in the region. Typical pricing is in line with regional averages. Blown-in cellulose or fiberglass for an attic can range from **$1,500 to $4,000**, while spray foam projects are a premium service, often costing **$3,500 to $7,500+** depending on the scope. Most top-tier providers offer free estimates and are knowledgeable about available utility rebates from providers like UGI or Pennsylvania's Home Energy Loan Program (HELP), which can significantly offset project costs. The emphasis among leading providers is on whole-home performance, often starting with an energy audit to identify the most cost-effective improvements.

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 South Mountain regulations and climate

Frequently Asked Questions About Insulation in South Mountain

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

1What is the most important type of insulation for my South Mountain home given our local climate?

For our South Mountain climate with cold winters and humid summers, a tight air seal combined with attic insulation is most critical. We recommend achieving at least R-49 to R-60 in your attic to prevent significant heat loss in winter and to reduce cooling loads in summer. Proper air sealing in the attic floor also prevents moist summer air from entering and causing condensation issues within the structure.

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

Yes, Pennsylvania homeowners can access rebates through the statewide "Whole-Home Energy Rebates" program, and South Mountain residents may also qualify for specific incentives from utilities like Adams Electric Cooperative. Additionally, the federal tax credits for insulation (up to 30% of cost, up to $1,200 annually) apply, making upgrades more affordable. A qualified local installer can help you navigate the paperwork for these programs.

3When is the best time of year to have insulation installed in South Mountain?

While insulation can be installed year-round, the ideal times are late spring (May-June) and early fall (September-October). These periods typically offer mild, dry weather in South Mountain, 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 arrive.

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

Always choose a contractor licensed to work in Pennsylvania and ensure they carry proper liability and workers' compensation insurance. Look for local companies with strong references in Franklin or Adams County and ask if they perform a pre-installation energy assessment. A reputable provider will be knowledgeable about the specific building practices and common issues (like stone foundations or older framing) found in South Mountain homes.

5My older home has stone walls. Can they be effectively insulated, and what method is recommended?

Yes, stone walls in historic South Mountain homes can be insulated, but the approach must be carefully chosen to avoid moisture traps that can damage the stone. The most recommended method is installing interior rigid foam insulation boards with a proper air gap and vapor barrier, or using specialized blown-in insulation for cavity walls. Exterior insulation is another option but may conflict with the historic character, so consulting with a local expert familiar with Pennsylvania's older home stock is essential.