The Best Insulation Contractors in Philadelphia, PA

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

#1

Koala Insulation of Greater Philadelphia

4.8
(180 reviews)
Verified

A highly-rated, modern insulation contractor known for its strong focus on customer education and energy efficiency. They emphasize using recycled and sustainable materials where possible (like blown-in cellulose) and offer a comprehensive range of services from attic insulation to air sealing. Their reviews frequently praise their professionalism, cleanliness, and detailed explanations.

2250 N Great Neck Rd, Philadelphia, PA 19116

Specialties & Features

Blown-in insulation
Attic insulation and air sealing
Insulation removal and replacement

Business Information

Years in Business:8 years
Licensed:Yes
Insured:Yes
#2

Efficient Attic & Insulation Services

4.7
(150 reviews)
Verified

This company has built a strong reputation specifically on attic services but has expanded to cover all home insulation needs. They are often highlighted for their expertise in spray foam and their knowledge of local utility rebates (like from PECO). They perform energy audits to diagnose home-specific issues.

9233 Krewstown Rd, Philadelphia, PA 19115

Specialties & Features

Spray foam insulation
Energy efficiency audits
Attic insulation installation and upgrade

Business Information

Years in Business:12 years
Licensed:Yes
Insured:Yes
#3

Green Home Solutions

4.5
(90 reviews)
Verified

While also specializing in indoor air quality and mold remediation, Green Home Solutions is a major player in the insulation market, particularly for basement and crawl space encapsulation using spray foam. They serve both residential and commercial properties and are known for their science-based approach to creating healthier, more efficient indoor environments.

101 E Main St, Norristown, PA 19401 (Serves Philadelphia metro)

Specialties & Features

Basement and crawl space insulation
Spray foam insulation
Air sealing services

Business Information

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

Why These Are the Top Insulation Contractors in Philadelphia

The insulation market in Philadelphia is robust and competitive, driven by the city's vast inventory of older, historically inefficient housing stock (particularly row homes from the early 20th century) and a growing consumer focus on energy cost reduction and comfort. The average quality of providers is high, with reputable companies demonstrating strong knowledge of the unique challenges presented by Philadelphia's brick-and-plaster construction and the importance of proper air sealing. Competition is fierce, with many long-standing local contractors competing against well-regarded national franchises. This generally benefits the consumer through competitive pricing and a high standard of service. Typical pricing varies significantly based on the project scope and material. As a general guide: * **Blown-in Cellulose/Fiberglass Attic Insulation:** $1,500 - $4,500 * **Spray Foam Insulation (closed-cell):** $1.50 - $3.00 per board foot * **Wall Insulation (blown-in):** $1,000 - $4,000 depending on wall area * **Full Basement/Crawl Space Encapsulation:** $3,000 - $8,000+ A key differentiator for top-tier providers is their expertise in navigating local PECO rebates and federal tax credits for energy efficiency upgrades, which can substantially offset the project cost for homeowners.

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 Philadelphia regulations and climate

Frequently Asked Questions About Insulation in Philadelphia

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

1What is the recommended R-value for attic insulation in a Philadelphia home?

For Philadelphia's humid continental climate with cold winters and hot summers, the U.S. Department of Energy recommends an attic insulation R-value of R-49 to R-60. This high level is crucial for retaining heat in winter and blocking summer heat gain, directly impacting your energy bills. Many older Philly row homes are severely under-insulated, so achieving this recommended value is a primary goal for local energy efficiency upgrades.

2Are there any local rebates or incentives for adding insulation in Philadelphia?

Yes, Philadelphia homeowners have access to several valuable programs. The most significant is the **Pennsylvania Weatherization Assistance Program (WAP)** for income-eligible residents, and the **Keystone HELP Energy Efficiency Loan** for broader accessibility. Furthermore, Philadelphia Gas Works (PGW) and PECO often offer rebates for insulation through their home energy assessments, which are an excellent first step to identify needs and qualify for savings.

3How do I choose a reliable insulation contractor in Philadelphia?

Always choose a contractor licensed to work in Philadelphia and insured. Look for companies with specific experience in Philadelphia's diverse housing stock, from historic row homes to newer constructions, as each presents unique challenges. Check for certifications from building performance organizations like BPI (Building Performance Institute) and read local reviews on platforms like Google and the Better Business Bureau to gauge reputation and quality of work.

4My old Philadelphia row house has plaster walls. Can I add insulation without destroying the interior?

Absolutely. For historic Philadelphia homes with solid masonry or plaster walls, a common and effective solution is **injection foam insulation**. Small holes are drilled from the exterior (in the mortar joints) or interior (in inconspicuous areas), and dense-pack cellulose or spray foam is injected to fill wall cavities, which is then patched. This minimally invasive method preserves your historic interiors while dramatically improving thermal performance and reducing drafts.