The Best Insulation Contractors in Lancaster, PA

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

#1

Green Attic Insulation

4.8
(240 reviews)
Verified

A highly-rated, specialized contractor focusing heavily on comprehensive home performance upgrades. They are well-known for their expertise in air sealing and advanced insulation techniques to maximize energy efficiency. They often work with energy auditors and are knowledgeable about local utility rebates.

1941 Old Philadelphia Pike, Lancaster, PA 17602

Specialties & Features

Attic insulation installation and upgrade
Air sealing services
Spray foam insulation

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
#2

Lancaster County Insulation

4.7
(180 reviews)
Verified

A established local name with a strong reputation for reliability and quality workmanship across a wide range of insulation services. They serve both residential and commercial clients and are proficient with all common insulation materials, including blown-in cellulose and fiberglass.

952 N Prince St, Lancaster, PA 17603

Specialties & Features

Blown-in insulation installation
Wall insulation services
Basement and crawl space insulation

Business Information

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

Foam Masters LLC

4.6
(110 reviews)
Verified

As the name implies, this provider is a specialist in spray foam applications, both open-cell and closed-cell. They are a go-to contractor for complex projects requiring high R-value and air barrier systems, including new construction and major retrofits. They also offer complementary services like insulation removal.

333 N Arch St, Lancaster, PA 17603 (Suite)

Specialties & Features

Spray foam insulation
Insulation removal and replacement
Crawl space encapsulation

Business Information

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

Why These Are the Top Insulation Contractors in Lancaster

** The insulation market in Lancaster, PA, is robust and competitive, driven by the city's mix of historic homes and new construction, as well as a regional focus on energy efficiency and sustainability (stemming from the local Amish and Mennonite traditions of practicality). The average quality of service is high, with several long-standing, reputable contractors. **Competition Level:** High. There is a healthy mix of specialized insulation-only companies and full-service HVAC/energy auditors who offer insulation, ensuring competitive pricing and a drive for quality. **Typical Pricing:** Pricing is mid-range for the Northeast. Factors like the age of the home (historic homes present more challenges) and insulation type greatly influence cost. * **Blown-In Attic Insulation:** $1,500 - $4,500 * **Spray Foam (R-13 for a wall):** $1,200 - $2,500 per 100 sq. ft. wall * **Whole-House Air Sealing:** $500 - $2,500 * **Basement/Crawl Space Insulation:** $2,000 - $7,000 Many providers are well-versed in Pennsylvania's UGI Rebates and the Weatherization Assistance Program (WAP), which can significantly offset costs for qualifying homeowners. Customers should always verify PA Home Improvement Contractor (HIC) registration and request detailed, line-item quotes.

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 Lancaster regulations and climate

Frequently Asked Questions About Insulation in Lancaster

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

1What is the recommended R-value for attic insulation in Lancaster, PA, and why is it specific to our area?

For Lancaster's humid continental climate with cold winters and hot, humid summers, the U.S. Department of Energy recommends an attic R-value of R-49 to R-60. This high level is crucial to combat significant temperature extremes, reduce heat loss in winter, prevent attic heat gain in summer, and manage moisture that can lead to mold. Pennsylvania's building codes align with these recommendations to ensure energy efficiency and comfort year-round.

2How much does insulation installation typically cost for a Lancaster County home?

Costs vary based on home size, insulation type, and areas serviced, but Lancaster homeowners can expect to invest between $1,500 to $4,500 for a full attic insulation project. Blown-in cellulose or fiberglass is common for our older housing stock. Specific factors like the need for air sealing in historic homes or accessing tight crawl spaces in stone foundations can influence the final price. Always get itemized estimates from local contractors.

3When is the best time of year to install or upgrade insulation in Lancaster?

While insulation can be installed year-round, the ideal periods are late spring (April-May) and early fall (September-October). These times typically offer mild, dry weather in Lancaster, which is important for projects like attic work where extreme summer heat or winter cold can be unsafe for workers and affect material performance. Scheduling during these shoulder seasons also ensures your home is optimized before the peak heating and cooling demands.

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

Yes, Pennsylvania homeowners can leverage several programs. The most direct is the Keystone HELP Energy Efficiency Loan Program, which offers affordable financing. Additionally, Lancaster County residents should check with UGI Utilities, PPL Electric Utilities, or Columbia Gas of PA for potential rebates on approved insulation work. Finally, the federal tax credits for insulation (up to $1,200 annually) under the Inflation Reduction Act are also applicable.

5What should I look for when choosing an insulation contractor in Lancaster?

Prioritize contractors who are licensed and insured in Pennsylvania and have specific experience with Lancaster's diverse housing, from historic brick and stone homes to modern builds. Look for certifications like Building Performance Institute (BPI) accreditation, which indicates expertise in whole-home air sealing and ventilation—key for our climate. Always check local references, read reviews on Lancaster-area platforms, and ensure they perform a pre-installation energy audit to identify your home's specific needs.