The Best Insulation Contractors in Derry, PA

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

#1

Koala Insulation of Westmoreland

4.9
(100 reviews)
Verified

A highly-rated, modern insulation contractor known for its strong focus on customer education and energy efficiency. They offer a comprehensive suite of services including free energy audits and specialize in both new installations and replacement of old insulation. Their expertise in air sealing and blown-in insulation makes them a top choice for improving home comfort.

125 Depot St, Latrobe, PA 15650 (Approx. 5 miles from Derry)

Specialties & Features

Blown-in insulation
Insulation removal and replacement
Air sealing services

Business Information

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

Lindus Construction / LeafGuard

4.7
(200 reviews)
Verified

A well-established company with a strong regional presence and a robust reputation for quality workmanship. While they offer a wide range of exterior services, their insulation division is professional and highly competent. They are particularly skilled in attic and spray foam applications and are known for their knowledge of local building codes and potential rebate programs.

100 S Pike Rd, Sarver, PA 16055 (Serves the Greater Pittsburgh area, including Derry)

Specialties & Features

Spray foam insulation
Attic insulation installation and upgrade
Basement and crawl space insulation

Business Information

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

Superior Insulation Company

4.6
(50 reviews)
Verified

A dedicated insulation contractor with a long history of serving Western Pennsylvania. They are recognized for their expertise in complex projects and a wide variety of insulation materials, including fiberglass, cellulose, and spray foam. Their longevity in the business speaks to a consistent level of service and reliability.

1246 Ligonier St, Latrobe, PA 15650 (Approx. 5 miles from Derry)

Specialties & Features

Wall insulation services
Spray foam insulation
Energy efficiency audits

Business Information

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

Why These Are the Top Insulation Contractors in Derry

The insulation market in and around Derry, PA, is characterized by a mix of large regional contractors and smaller, specialized local firms. Due to Derry's location in a region with cold winters and humid summers, the demand for effective insulation and air sealing is high, particularly for older housing stock common in the area. The competition is moderate, with a few highly-rated providers dominating the review landscape. Homeowners have good access to a full range of services, from basic blown-in attic insulation to advanced spray foam applications. Typical pricing is competitive with national averages but can vary significantly based on the home's size, existing conditions, and material choice. For example, blown-in cellulose for an attic can range from $1,500 to $3,500, while a full spray foam job for a crawl space or attic can cost $5,000 to $10,000 or more. Many providers are knowledgeable about Pennsylvania's home energy rebate programs, such as those from the Pennsylvania Department of Environmental Protection, which can help offset costs for energy-efficient upgrades. Overall, the market offers quality options for residents seeking to improve their home's efficiency and comfort.

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 Derry regulations and climate

Frequently Asked Questions About Insulation in Derry

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

1What is the best type of insulation for my attic in Derry, given our local climate?

For Derry's humid summers and cold winters, a combination of air sealing and high R-value insulation is key. We typically recommend blown-in cellulose or fiberglass for attics, as they effectively fill irregular spaces and provide excellent thermal resistance. Achieving an R-value of R-49 to R-60, as recommended by the U.S. Department of Energy for our Pennsylvania climate zone, is crucial for year-round comfort and energy savings.

2How much does attic insulation typically cost for a home in Derry, PA?

Costs vary based on home size, insulation type, and existing conditions, but for a standard 1,500 sq ft attic in Westmoreland County, homeowners can expect to invest between $1,500 and $3,500 for professional installation. Blown-in insulation is generally more cost-effective than spray foam for retrofits. It's important to get itemized quotes from local contractors that include air sealing, as this significantly impacts performance and is a requirement for many Pennsylvania energy rebates.

3When is the best time of year to install insulation in Derry?

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 Pennsylvania, which is important for projects like attic work. Scheduling during these shoulder seasons also ensures your home is properly sealed before the peak heating season begins, allowing you to maximize savings during our cold winters.

4Are there any local rebates or incentives for insulation upgrades in Pennsylvania?

Yes, Pennsylvania offers several programs. The most accessible is the **PA Act 129 Home Energy Assessment Program**, often administered through local utilities like West Penn Power. This can provide significant rebates for adding insulation to meet recommended R-values. Additionally, Derry homeowners should check for federal tax credits for qualified energy efficiency improvements, which can cover 30% of project costs up to a $1,200 annual limit.

5What should I look for when choosing an insulation contractor in the Derry area?

Always verify the contractor is properly licensed and insured to work in Pennsylvania. Look for local companies with strong experience in our specific climate challenges, such as managing attic moisture and ice dam prevention. A reputable provider should perform a thorough energy audit, offer a detailed written estimate, and clearly explain how their work complies with the 2021 International Residential Code (IRC), which Pennsylvania has adopted as its statewide building standard.