The Best Insulation Contractors in Mercersburg, PA

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

#1

Koala Insulation of West Shore

4.8
(100 reviews)
Verified

A highly-rated, modern insulation company serving central PA, including Franklin County. They emphasize education, transparency, and a wide range of services including energy audits. Their strong digital presence and numerous positive reviews highlight customer satisfaction and professional service.

1104 Rich Valley Rd, Enola, PA 17025 (Serves Mercersburg area)

Specialties & Features

Blown-in insulation
Spray foam insulation
Insulation removal and replacement

Business Information

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

HomeSealed Insulation & Roofing

4.7
(150 reviews)
Verified

A well-established contractor based in the region with a strong focus on comprehensive home performance. They are a certified BPI (Building Performance Institute) contractor, which signifies a high level of expertise in building science, air sealing, and energy efficiency, making them ideal for holistic projects.

4930 Louise Dr, Suite 102, Mechanicsburg, PA 17055 (Serves Mercersburg area)

Specialties & Features

Energy efficiency audits
Air sealing services
Attic insulation installation and upgrade

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
#3

J&D Improvements

4.6
(80 reviews)
Verified

A local, family-owned and operated contractor located very close to Mercersburg. They offer a broad range of exterior and interior services, including insulation. Their local presence means they have specific knowledge of Mercersburg's older home stock, local climate challenges, and building codes.

12422 Park Lane Dr, Hagerstown, MD 21742 (Serves Mercersburg area)

Specialties & Features

Basement and crawl space insulation
Wall insulation services
Attic insulation

Business Information

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

Why These Are the Top Insulation Contractors in Mercersburg

** The insulation market serving Mercersburg, PA, is characterized by a mix of specialized regional players and versatile local contractors. As a historic town in a rural county, many homes in Mercersburg are older and lack modern, efficient insulation, creating a consistent demand for upgrades and replacements. The competition level is moderate; while there aren't dozens of companies based directly in the borough, several established contractors from hubs like Chambersburg, Hagerstown (MD), and the greater Harrisburg area actively compete for projects in Mercersburg. The average quality of service is high among the top-tier providers, with several holding advanced certifications (like BPI) that demonstrate expertise beyond basic installation. Typical pricing is competitive but can vary significantly based on the insulation material (e.g., spray foam is premium, while blown-in cellulose is more budget-friendly) and the scope of air sealing work. Homeowners should expect to invest anywhere from \$1,500 to \$4,500+ for a standard attic insulation project, with complex whole-home retrofits costing considerably more. Many providers are knowledgeable about Pennsylvania-specific rebates and incentives, such as those from the Pennsylvania Department of Environmental Protection or through local utility programs, 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 Mercersburg regulations and climate

Frequently Asked Questions About Insulation in Mercersburg

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

1What is the best type of insulation for my home in Mercersburg given our local climate?

For Mercersburg's humid continental climate with cold winters and warm, humid summers, a combination of air sealing and high R-value insulation is key. We typically recommend spray foam for its superior air-sealing properties in attics and basements, or dense-packed cellulose in walls, which performs well against our temperature swings and humidity. The recommended attic insulation level for our Pennsylvania climate zone is R-49 to R-60.

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 UGI Utilities, which provides rebates and financing for insulation upgrades based on a home energy audit. Additionally, the federal tax credits for insulation (up to $1,200 annually) apply, and it's wise to check if Franklin County or Mercersburg Borough has any local initiatives.

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

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 Mercersburg, which is optimal for projects like attic work. Scheduling during these shoulder seasons also ensures your home is properly sealed before the harsh winter cold sets in or the summer heat and humidity arrive.

4How do I choose a reputable insulation contractor in the Mercersburg area?

Always verify that the contractor is properly licensed and insured to work in Pennsylvania. Look for local companies with strong references in Franklin County and ask if they perform a pre-installation energy audit. A reputable provider will be knowledgeable about the specific building codes and vapor barrier requirements for our climate to prevent moisture issues.

5My older Mercersburg home is drafty. Will adding more insulation to the attic solve the problem completely?

Not necessarily. While adding attic insulation to the recommended R-49+ is crucial, air sealing is the first and most critical step for older homes in our area. Gaps, cracks, and bypasses in the attic floor (around chimneys, wiring, and plumbing stacks) allow warm, moist air to escape in winter, reducing insulation effectiveness and potentially causing ice dams. A comprehensive approach addresses both.