Find top-rated spray foam contractors and save up to 33% on energy bills
Compare 9 verified spray foam insulation contractors serving Baltimore, Maryland, backed by 454 customer reviews averaging 4.3★. Whether you're insulating a new build, retrofitting an existing home, or upgrading attic and crawl-space insulation, these pre-screened Baltimore contractors handle both open-cell and closed-cell spray foam. Homeowners here typically cut energy bills by around 33% — get free quotes and read verified reviews below.
Note: Actual savings vary based on home size, current insulation, energy rates, and climate conditions. These estimates are based on Department of Energy data for Mixed-Humid.
Recent Reviews:
Foam Insealators/Devere Insulation has been amazing. They kept us in the loop the entire way. Their employees were punctual, clean, polite and worked very fast. When they were done, they cleaned up every little speck of dust they made and left the job spotless. I would absolutely recommend them. Not to mention less than 2 hours after they left the second story of my house was noticeably cooler.
We have worked with Foam InSEALators as our primary insulator for over a decade. Their rep Carl is knowledge, friendly and always will to take the time to work with our clients to find the right solution for their home. They are easy to schedule and always deliver as expected.
Incredible service from start to finish! Professional, punctual, and the quality of the foam insulation exceeded all expectations. House feels like new—energy efficient and super quiet. Highly recommend this team! GREAT TEAM MAKES THE DREAM WORK!!!!!!
Direct: (443) 806-7907
Recent Reviews:
I needed to replace the roof on my detached garage and Baltimore Roofing Contractors was the the only company that came out and had cost effective options. Technician explained the differences between their good, better, and best range of underlayments/shingles allowing me to select what best suited my garage and budget. The crew was careful on site and did a great job with cleanup. I would highly recommend. What a great company! Detail oriented, friendly, punctual, and properly priced
Baltimore Roofing Contractors was an absolute pleasure to work with, very kind and professional. Our house looks amazing especially the roof and the back porch. Very professional. Super knowledgeable. Prices for any budget.
They always do a clean and outstanding job, their prices are very reasonable, and they always do what they say they will do and even go above and beyond that. Great work - plan to use them again
Recent Reviews:
Great workers
Very professional
Recent Reviews:
Koala did a very good job with my attic insulation. They arrived on time and explained what they were doing. I was also impressed by the quality of their work. Their price was very reasonable. Overall, they were very professional. I highly recommend Koala.
Jasper was very informative and explained insulation and the process very well. He was honest with what he thought would be best and didn’t try to oversell. The work was completed as promised. It was a great experience and I would use koala again.
This experience with Koala Insulation was great from start to finish! From scheduling the appt to the initial consultation. Jasper was sent out to discuss the attic remediation I was in need of. I was quoted an insane amount from a pest control company and was looking for a realistic and affordable option. Jasper was nothing short of amazing! Explaining the process and helped me get the best solutions for the best cost. The energy assessment that’s part of the job and provides rebates was so helpful. The install lived up to the same great experience. The installers were professional, knowledgeable, and let me know what they were doing. They cleaned up very well after the work was complete. I wish I got their names so I could call them out personally. Great work fellas! I never thought insulation could be such a great experience but then I met the great people at Koala. Highly recommend!
Recent Reviews:
I highly recommend DeVere Insulation!! We were connected with them through our Greenworks Energy Audit, and they came out to insulate both of our attics. We live in an older home, and the attics hadn’t been touched in years- this was definitely not an easy job, especially in the record-breaking heat of the summer. Jesus and his team were absolutely AMAZING. They were hardworking, respectful of our home, and incredibly meticulous. They found and addressed several issues we weren’t aware of, going above and beyond what we expected. We will be having them back soon to encapsulate our crawl space! We highly recommend them for your insulation needs!
DeVere was recommended but I attempted to deal with two other companies for my attic/roof spray foam repair job. I was crazy to even think of dealing with others. One spray foam company wanted a dozen pictures and other details and then estimated the spray foam job over the phone at double what DeVere did for a full in person estimate. That other company never returned my messages after giving me the I don’t want that job price estimate. One other company took so long to give me an estimate that DeVere had already done the estimate and job before they could get out to provide an estimate. DeVere’s whole team is very professional, good timely estimate, quality spray foam job, great prep and clean up. I couldn’t ask for a better experience. I can now install my fiberglass insulation and drywall in my garage after my roof repairs. Thank you so much team DeVere
I want to say how awesome DeVere's service was. I was scheduled quickly, and the foam was applied methodically and correctly in layers. Not only that, but I paid to entirely fill my stud and rafter bays, and it's required because of the way foam is applied to have a small air gap that isn't filled, since you can't make foam totally flat. DeVere went above and beyond, actually slightly over filling certain areas so that NO area was below what I had paid for. They taped off beautifully and cleaned up wonderfully. I would give them 6 stars if I could. Here is a photo of just one small area, showing how they cut off the excess, but they also did an entire large room.
Recent Reviews:
These guys did an excellent job insulating the attic space of a townhouse we were remodeling. We had a wide range of ceiling depths, and Gerald helped us figure out the best combination of batt and foam insulation to meet code without overspending. They also did the cleanest work of any sub on our whole remodel, and the inspector even commented what a good job they did with the foam installation.
Gerald and the crew were absolutely wonderful to work with, gave me a fair and honest opinion and estimate. They got to me quickly and completed the work quickly and painlessly with no mess or issues and the end result looks great and hopefully saves on energy cost.
I highly recommend Pyramid Insulation for your insulation needs around Baltimore! Our house is a 1950s Cape Cod that is a little more difficult to insulate than your typical house. But it was clear that the team has had a lot of experience doing this kind of work. Their quote was cheaper than another company I consulted, had a more thorough plan, and was able to squeeze us into our schedule due to our baby’s due date coming up! It was supposed to be a one day job, but they were going to require an extra day of work to complete it thoroughly. I’m so glad they were able to finish the job the next day, because today the outside temperature went down to the 40s and our house is still 70 degrees without the heat on yet! It made a total difference!
Recent Reviews:
My company does additions and renovations in Montgomery and Prince Georges County. Cameron has insulated three projects over the last year. Their work is thorough, neat and complete. The installation crews are pleasant and efficient; they clean up after themselves. Additionally, their sales and support staff is responsive and very easy to deal with. Their prices are fair. I have worked with several other insulation companies over the years and I consider Cameron to be among the best. I would recommend them to any firm or homeowner looking for a quality job at a fair price.
good company
Recent Reviews:
Its adorable!
Not sure this is a real business or just someone trying to scam people.
These are the questions Baltimore homeowners ask most about spray foam cost, R-value, and open- vs. closed-cell foam — with context for local pricing and roughly 33% typical energy savings. Compare the 9 verified Baltimore contractors above for exact quotes.
Not finding the right fit in Baltimore? Many spray foam contractors travel to nearby towns. These communities within about 60 miles all have verified contractors listed.