Reiter Roofing
“Fair price, punctual, friendly workers who were able to work with me when I made a slight change in skylight position.”
Best Insulation Contractors in Philadelphia, PA
15 contractors listed · 9 in Philadelphia · 4 open 24/7 · 11 open weekends · 13 rated 4.5+
Data verified November 4, 2026
Liberty Roofing Inc.
“They were quick, detailed, thorough and cost-effective in their quote, and efficient and communicative throughout the stucco removal and siding installation processes.”
Ironclad Construction & Roofing
“Mike and his crew did an outstanding job replacing my asphalt roof and patio cover in just over two days.”
Clarence E. Smith Roofing
“We had some hiccups along the way with weather and historical commission needs but ultimately got the job done with an excellent, courteous team and trust that these guys are around.”
Alligood Energy
“Great experience with Andrew and the team at Alligood.”
Mike Kobithen Roofing & Insulation
“You're in and out of the place no waiting around”
The 15 contractors listed for Philadelphia, PA insulate attics, walls, crawl spaces and rim joists. Details under each one about materials, hours and the services advertised are copied from the company's own site; star ratings and comments come from public reviews.
Area overview: Philadelphia, PA
9 of the 15 contractors we list are based in Philadelphia; the other 6 serve Philadelphia from towns including Pennsauken, NJ (6 mi), Cherry Hill Township, NJ (7 mi) and Conshohocken (10 mi). The contractors on this page are rated from 4.3 to 5.0 across 2,136 reviews; 9 have 50 or more reviews and 13 are rated 4.5 or higher. When customers rate these contractors on specific qualities, they most often praise quality (94%), professionalism (90%) and punctuality (88%). The topics that come up most in reviews of the contractors on this page are "cleanliness", "estimates" and "price". 4 are open around the clock; 11 are open on Saturdays and 6 on Sundays. 3 show a license on their websites and 4 have a BBB rating of A or A+. Domain records put 10 websites of the contractors on this page at ten or more years old; the oldest dates from 2003. 5 offer emergency call-outs; 5 offer financing or payment plans; 10 give free estimates; 9 are family- or locally-owned and 1 lists coupons or special offers. We count these figures across the contractors on this page; distances are straight-line, and hours and prices change, so confirm the details with the contractor before you book.
How many listings here have a website?
A website is on file for 14 of the 15 contractors here. Use it to see which materials they actually install, since a firm that only sprays foam will recommend foam. A contractor with no site is not automatically worse, but you will have to ask on the phone what the site would have told you.
A&U Services & Roofing Services
“He made sure my attic insulation was installed correctly and took the time to explain the entire process, which increased the energy efficiency of my house.”
County Line Roofing
“Very happy with the work, process, and cost.”
Philadelphia Green Roofs LLC
DJK Roofing
“The staff is friendly on time and the work is fast and professional”
Rosenello & Associates
“Charles Hoffman was super helpful from thr beginning to the end of the job!”
Apex Commercial Roofing LLC
“Communication was excellent and the whole process was smooth and stress-free highly recommend them for anyone in a roofing services.”
Patch and Paint Pros
“I could not recommend them enough, and I surely will use them for all my painting in the future.”
Warner Exteriors & Solar
“I had my roof replaced and they answered my questions, there was no pressure to buy and the end result was fantastic!”
Alber Service Company (Hvac
“He spent the time to explain everything he did and even took the time to answer my HVAC questions not directly related to the service call.”
Why these companies made our list
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