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Top-Rated Spray foam insulation pros in Philadelphia - Updated Nov 2026

Avatar for Master Attic, LLC
Master Attic, LLC
4.8(
61
)
Insulation - Install or Upgrade

Serving Philadelphia, PA and surrounding areas

Approved

In business since 2017

Free estimates

Emergency services offered

"Anthony came out quickly and gave us a fair price for the job. He inspected everything and took photos. The crew Elias, Julian and Victor came out the next day, first thing in the morning. They were polite and professional throughout their work. The crawlspace was cleaned, all cracks and holes were filled with spray foam, they replaced all insulation and vacuumed twice. The crawlspace space was spotless when they were finished, and Elias shared before and after photos of the space. I am very happy with Master Attic. This is the second time I used them. I used them in a basement of another house last year."
Crawlspace remediation, new batt insulation and moisture barrier encapsulation
Old insulation removal and replace with new batt insulation
Rodent hole on corner of roof
New Blown-in insulation
Crawlspace remediation, new insulation & moisture barrier encapsulation

+106

Response time2 days
Response rate100%
15 neighbors recently requested a quote
Avatar for Alligood Energy
Alligood Energy
4.9(
105
)
Insulation - Install or Upgrade

Serving Philadelphia, PA and surrounding areas

Approved

In business since 2012

Credit card accepted

Customers say: Quick response

"The guy who came out was great. I was expecting to need to spend a lot on adding insulation to the walls and attic. The guy went around with a thermal camera and checked various spaces and recommended some stuff that I could do myself or hire an inexpensive contractor to do. Very happy that I didn't need to spend thousands of dollars!"
Insulation Project
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+6

Response time2 days
Response rate100%
5 neighbors recently requested a quote
Avatar for Newtown Termite & Pest Control Inc
Newtown Termite & Pest Control Inc
4.3(
63
)
Insulation - Install or Upgrade

Serving Philadelphia, PA and surrounding areas

Approved

In business since 1993

Free estimates

Warranties offered

"When we purchased our home we found many beetles & spiders in the basement storage spaces. Before we moved in we cleaned those spaces thoroughly and decided to have the house professionally treated for bugs. The guys from Newtown Pest came right over, sprayed the entire home and said that if we notice anything in the next few weeks they would come back free of charge. 
Happily we didn't see any more bugs or spiders, and have maintained a regular quarterly maintenance schedule with them. They are very flexible in terms of scheduling and provide a reasonable window......
A local business with fair prices and friendly service.  We've recommended them to multiple people and look forward to a continued business relationship with Newtown Termite & Pest Control.
"
Before photo of deck project
Our crews work hard to ensure attic access is not compromised when completing TAP projects.
Before photo of PestBlok installation
photo before low-profile dryer vent is installed
Before photo of deck project

+24

5 neighbors recently requested a quote
Recommended by80%of homeowners
Avatar for Atticrawl, LLC
Atticrawl, LLC
4.7(
18
)

Serving Philadelphia, PA and surrounding areas

Approved

In business since 2015

Free estimates

Credit card accepted

Welcome to Atticrawl, LLC \nWe pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business!

Attic Insulation
Attic Insulation
57 neighbors recently requested a quote
Recommended by62%of homeowners
Avatar for Wodie's Inc.
Wodie's Inc.
5.0(
6
)

Serving Philadelphia, PA and surrounding areas

Approved

Free estimates

Credit card accepted

Wodie's Handyman & Property Management proudly serves Southeastern Pennsylvania with reliable home repair and property maintenance services. \n \nWe handle kitchen and bathroom repairs, assembly and installation, flooring and wall repairs, gutter cleaning, winterization, and more. We also provide dependable maintenance for commercial properties, rentals, and Airbnbs. \n \nProfessional service. Quality work. One less thing on your list. \n \nYour To-Do List, Handled.

Project Photos
10 neighbors recently requested a quote
Avatar for USA Insulation of Philadelphia
USA Insulation of Philadelphia
4.3(
49
)
Insulation - Install or Upgrade

Serving Philadelphia, PA and surrounding areas

In business since 1977

Free estimates

Credit card accepted

"Unfortunately, when the techs started the process, the insulation already in the walls prohibited the addition of the foam. I cannot begin to tell you how disappointed I was, as the job they had done on our tiny addition was remarkable. However, isn't it wonderful to have a company tell you the truth!"
Recommended by92%of homeowners
Avatar for Spray Foam Insulators, LLC
Spray Foam Insulators, LLC
4.0(
18
)

Serving Philadelphia, PA and surrounding areas

In business since 1976

Free estimates

Credit card accepted

We at Spray Foam Insulators, LLC, are a locally owned and operated company, which values honesty, integrity, and treats your home as if it were our own. We offer a variety of quality insulating and soundproofing services. We have many years of experience, to give you confidence that we are your number one choice for your next home project. You will find us to be competitively priced, paying close attention to the details of each and every project. We look forward to building lasting relationships, and guarantee your satisfaction!

Benneducci Vineyards
Benneducci Vinyard
Temple
Temple
Philadel[phia Town Home

+7

Response time2 days
Response rate88%
Recommended by91%of homeowners
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FAQs for spray foam insulation projects in Philadelphia, PA

Old insulation should be removed when it shows damage, contamination, or heavy deterioration. If you notice water stains, rodent droppings, mold, or large gaps, plan on taking it out to protect your home’s energy performance and indoor air quality. Removing compromised material eliminates health hazards, cuts energy loss, and sets the stage for a safer, more efficient attic—all while keeping utility bills in check.

R-value measures how well insulation resists heat flow—the higher the number, the better it slows heat transfer. The right R-value keeps your home warmer in winter and cooler in summer, saving energy year-round. Match the rating to your climate zone and have a pro verify performance over time, because moisture or settling can lower R-value and cut efficiency.

Attic insulation can stay in place for 80 to 100 years, but its performance often drops after the first 15. As dust, moisture, or mold build up, the material loses R-value and allows heat to escape. Schedule periodic inspections so a pro can tell you when replacement makes sense—helping you keep energy bills down and indoor comfort up.

You can over-insulate an attic. Beyond the recommended R-value, extra layers don’t add efficiency and can trap moisture, leading to mold or reduced performance. A local insulation pro can measure current levels, confirm the right target for your climate, and advise on any adjustments so you avoid future energy or maintenance headaches.

Insulation can be damaged by mold, pests, water leaks, or accidental electrical contact. When the material is compromised, it loses R-value and can introduce health hazards. Removing and replacing affected sections restores efficiency, while routine inspections from a qualified pro help you catch problems early and keep your attic safe and energy-smart.