Home Shield Pro's Roofing & Siding
“They took down our old gutters, which were full of water and dirt and leaves and put up new gutters”
Best Insulation Contractors near Bethlehem, PA
2 of these contractors are based in Bethlehem; the others serve Bethlehem from towns including Allentown (6 mi), Coplay (7 mi) and Freemansburg (1 mi).
2 open 24/7 · 8 open weekends · 11 rated 4.5+ · 4 show a license
Data verified November 3, 2026
Lehigh Valley Insulation
“They removed the old insulation and did an amazing job with the new!”
Holencik Exteriors
“Holencik offered competitive pricing along with quality products and excellent warranties, which made us feel we were getting great value for our investment”
East Penn Roofing
“They came out fixed it, cleaned up, checked with me to make sure I was satisfied either way the work and left.”
Builders & Management Plus
“They gave me the best price by far on my roof and gutters and didn't try to add unnecessary costs like other companies”
Custom Weatherization LLC
“Ask for Rob- he was exceptional.”
The 15 contractors listed for Bethlehem, 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: Bethlehem, PA
14 of the 15 contractors on this page have a rating, from 4.1 to 5.0 across 1,438 reviews; 4 have 50 or more reviews and 11 are rated 4.5 or higher. The topics that come up most in reviews of the contractors on this page are "estimates" and "price". 2 are open around the clock; 8 are open on Saturdays and 3 on Sundays. 4 show a license on their websites; 2 list staff certifications (BPI, GAF and HAAG) and 3 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. 2 offer emergency call-outs; 5 offer financing or payment plans; 5 give free estimates; 3 are family- or locally-owned and 3 list coupons or special offers. 1 has Spanish-speaking staff. We have a website on file for 13 of the contractors on this page; 11 publish a contact page; 9 list a public email and 2 take bookings online. 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.
Are all of these firms based in Bethlehem?
No. 2 have an address in Bethlehem and the remainder come from other towns within 15 mi. Insulation crews travel with a truck and a blower, so coverage tends to be regional. Confirm your address is inside the area they work before scheduling.
ASI Acoustical Spray Insulators
“Got the job done and cleaned up after the job was done.”
Bulldog LLC
“Had my attic insulation totally replaced and everything sealed.”
Hygrade Insulators
“My tenants were extremely happy with his work and this company was a pleasure to deal with.”
True Management LLC
“No other plumbers were helping and this manager came super clutch for me, I appreciate you a lot!”
Advanced Specialty Contractors
“I couldn't find the dog I wanted to anywhere and then I went to the pet dative and it was amazing”
Sellair
Big League Construction Services
Kovacs Roofing & General Contractor
“They happily handled these things with no issue and modified my bill accordingly- I'm so glad it all got done!”
Belisaire Painting & Bathtub Refinishing
“Tim was great and on time and took care of our issue quickly and with care.”
Why these companies made our list
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