Find top-rated spray foam contractors and save up to 30% on energy bills
Compare 20 verified spray foam insulation contractors serving San Antonio, Texas, backed by 1,123 customer reviews averaging 4.8★. Whether you're insulating a new build, retrofitting an existing home, or upgrading attic and crawl-space insulation, these pre-screened San Antonio contractors handle both open-cell and closed-cell spray foam. Homeowners here typically cut energy bills by around 30% — 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 Hot-Humid.
Recent Reviews:
Absolutely love this company and their website! So easy to find what you need. Foam insulation has helped our bill go down significantly, so I will always recommend this to our peers! I love they have multiple locations available in Texas!
The best company I've come into contact with! Spray foam is worth the price and helped with the weird breezes I kept having inside my home. I ordered the long term installation. It's been 6 months and it's still working great! Thank you so much Premier Spray Foam. My house is prepared for our new arrival (our beautiful baby girl).
Absolutely thrilled with the service from Premier Spray Foam Insulation in San Antonio! From the get-go, these guys were top-notch. Super professional, incredibly knowledgeable, and really friendly. They explained everything clearly and made sure I understood the process and benefits. The job was done quickly and efficiently, with zero mess left behind. I've noticed a huge difference in my energy bills and overall comfort at home. Honestly, couldn't be happier. If you're thinking about spray foam insulation, these are the folks to call. Five stars all the way! 👍🌟🌟🌟🌟🌟
Recent Reviews:
I recently hired Attic Spray Foam Insulation Pro for my home in San Antonio, and I'm thrilled with the results! The technician, Mike, was a true professional - punctual, knowledgeable, and extremely courteous. Their local team made the entire process so easy, and the difference in my attic is remarkable. HIGHLY recommend these pros for anyone needing top-notch insulation work!
Recent Reviews:
Wonderful service! Responsive, thorough, and cleanup after themselves! I will be using them again
I highly recommend Marcos for your spray foam installation needs. I reached out to him for a quote to insulate my garage, and he conducted business with the utmost professionalism. His communication was excellent, he arrived on time, and he ensured the work area was clean afterward. Additionally, he followed up to confirm my satisfaction with the project. I have already referred him to three others, and I believe you would be hard-pressed to find a better insulation contractor.
Marcus is simply the BEST! Responsive and takes great pride in giving the best service. ALWAYS starts every day’s conversation with a simple be honest question…. How are you today and what can I do for you. Sounds simple but he cares about the human factor of doing business. People 1st! His details to clean up, even smooth spraying and overall care for the project is TOP NOTCH!!
Recent Reviews:
I had spray foam insulation installed in my home, and the results have been excellent. The difference was noticeable right away—my home stays warmer in the winter and cooler in the summer, and my energy bills have gone down. The foam sealed every little gap and draft that traditional insulation couldn’t reach, making the whole house feel more comfortable. The installation process was quick and professional, and the quality of the work exceeded my expectations. I highly recommend “ IM Spray Foam Enterprise” insulation to anyone looking for a reliable and effective way to improve their home.
Outstanding experience. Recommended to me by a homebuilder buddy. Izzy walked the site with me, gave me expert advice as well as options, was flexible when my budget needed it and provided detailed estimates. He walked the job with me again a bit more than halfway through to show me what he and his crew had done and pointed out the remaining work. I couldn't have asked for more. Thorough, professional and on time. Highly recommend.
Amazing work! Very friendly and kept me updated throughout the process I would definitely recommend Izzy to my friends and family!
Recent Reviews:
Good Insulation Company to have on your speed dial,good company to work for as well..
Good job on 7th guys
Recent Reviews:
5 Star Service! First interaction was getting scheduled for a quote, where Tom showed up on time and took direct measurements of my attic for insulation removal. I was very happy that he took measurements manually and with a laser tool rather than the typical run-of-the-mill contractors measuring from the outside perimeter of house. Tom took this back and sent me a formalized quote later and I was very satisfied with his pricing. We scheduled the service for a month out since he had ordered a brand new vacuum machine and it would not arrive until then. There was a delay in the commercial vac order, but Tom was very professional and notified me immediately so we could reschedule. The day of the insulation removal came; Tom and his team showed up on time and started working immediately. I have a large 2 story home so they ran the hoses through the 2nd story window. They were very knowledgeable and considerate of my floors and possible damage by covering surfaces and tying off hoses to prevent unwanted movement. It took them about 6 hours nonstop to vacuum the entire attic out. After completing they sprayed the attic with a disinfectant and installed a smoke alarm. They did not have on the truck that day but they came back a couple days later and installed the attic door tent. Overall, I was extremely pleased with Tom and his team’s professionalism; I would recommend Geo-Insulation for anyone looking for insulation services!
The service we received was exceptional. Tom guided us through every part of the insulation process and answered every question we had. He had a positive attitude even though he had to go into a sweltering attic. He was on time, on point, and the entire process was very quiet. I was able to work in the next room without hearing much of anything. He cleaned up afterwards and helped us get a rebate from CPS. Highly recommend this company.
Tom did an amazing job! Tom was very professional and walked us through the whole process from start to finish. Our house already feels cooler after the insulation job. I would definitely recommend Tom and his crew to anyone who needs insulation installed!
Recent Reviews:
Joe and his brother are both very professional and were great. You guys did an amazing job in my attic garage. I appreciate the work and professionalism. 😁👍
Recent Reviews:
They have sprayed two buildings for me now and both times they did amazing work. Very consistent spray pattern leaves a beautiful finish. Everyone that comes into my shop asks who did the foam work. Both times there was zero clean up required after they were done. Its nice to pay for a product and get exactly what you were sold.
Very professional company, did a wonderful job on our new home. It has made a world of difference to our electricity bill. Highly recommend them!
Easy to work with and did a great job.
Recent Reviews:
Koala Insulation exceeded expectation! It feels cool even with the a/c off. Punctual and kept contact at every point. Our inspector and sales rep, Austin was very professional and got us set up very quickly. Sergio and Antonio did our removal. Ezra and Anthony handled our reinsulation. They all were punctual, efficient, professional and very pleasant despite our super tiny and nasty attic! Would recommend!
Bottom line: I would hire them again. They're all very professional and made sure to account for my concerns. I found Koala via Angie's list. I made a request for a quote and in no time at all, I was in contact with a member of the team. I was scheduled easily and a representative (Andrew) from Koala came to look at my attic. Andrew investigated and showed me where the problem areas were. He prepared options and recommended actions while he was in person. Then he prepared a quote and e-mailed it to me. I accepted it and then he scheduled a crew to come out... All in the same visit. When his crew came out and they were so kind. They asked me to look at the attic space after they did their work and see what I thought. They were very interested in my input and addressed all my concerns. I'm very glad I hired them. Great work Koala!
Your employees were great, professional, honest, quick, and friendly. 5 star service fit for a king or queen... highly recommend for all your insulation work!
Recent Reviews:
From the very first interaction, the insulation company truly went above and beyond my expectations. Their team was not only professional and punctual but also incredibly knowledgeable about the best options for my home. They took the time to explain the entire process and the materials they planned to use, and they patiently addressed all my questions. The installation itself was quick and tidy, with absolutely no disruption to my day.
I can't say enough good things about SuperGreen Insulation! They did an amazing job insulating our crawl space, and we can really feel the difference in our home's temperature and comfort. Plus, their prices were super reasonable. We got quotes from a bunch of companies, but SuperGreen Insulation definitely offered the best bang for our buck. I highly recommend them if you're looking for efficient and affordable insulation services!
Choosing SuperGreen Insulation was truly one of the best choices we made for our home. They delivered exceptional electrical insulation services, and we were pleasantly surprised by how budget-friendly everything turned out to be. If you're after quality without breaking the bank, SuperGreen Insulation is definitely the way to go!
Recent Reviews:
No Brainer...had Hill Country do a Mother inlaw house...1750 sqft...wish we knew about them when building main house. So of course called them back for the mancave. 24x30 now a pardise...mini split barely comes on due to the spray foam insulation. They made sure water pipes insulated...for shower, toilet and sink...no worries this winter...even have a bunk bed now...it was to get too hot to hang out in, even with the a/c on full blast...now it pardise. Experts, outstanding customer service...a great crew to hang out with, friendly and polite. Had me check their work before they put up equipment to be sure I was satisfied...perfectionism at it's best. Rarely do you find a contractor at the level of service. No need to shop around for spray foam, call Hill Country...for any insulation needs!
We chose Hill Country Spray Foam Insulation with Axel Cerda, because of his willingness to discuss in detail his recommendations for our unique attic space based on his many capabilities, experience, and expertise. We had received 3 total free estimates, but Axel was the best match for our needs and at a fair price. The project was divided into two days. Day 1 was to spray a radiant barrier on the underside of our second level floor and also make our attic air tight with spray foam/caulking the top plates where holes exist that drop electrical lines, plumbing, duct boots, and anything else identified that allows heat and cold to penetrate our walls and ceiling. Day 2 was reserved for blown-in insulation. Axel and team took their time spray the entire ceiling and place rulers throughout the attic to show us that the minimal depth of 13.5 was present throughout with an R38 value. In less than 8 hours I can tell you that we have already noticed a huge difference throughout our home, especially in our boy’s room. Their room is 1* cooler than the thermostat, that has NEVWR happened. Thank you Axel and team for your meticulous work, professionalism, and courtesy in everything that you do. Axel even took time to discuss and provide us a document for a CPS rebate. It was a true pleasure to have Axel Cerda, Mr. Cerda, Desmond, and Antonio perform this job. I will recommend Hill Country Spray Foam Insulation to all my family and friends.
I would not hesitate to use Hill Country Spray Foam for your insulation needs. Axel was prompt, professional, and honest throughout the entire process. He provided excellent service. I highly recommend Hill Country Spray Foam for anyone looking for reliable and trustworthy insulation installation!
Recent Reviews:
I personally like this company. They respond in a timely manner and their customer service is amazing and outstanding. So, i gave them 5 *'s because even tho I responded to a job ad late in the night; they still responded back pretty fast. :)
Very polite and thoughtful and very caring business made me feel like they were family
Great company, great people. Reliable and dependent! Highly recommend.
Recent Reviews:
We had excellent customer service and work done from Panda Insulation. They were able to come out very quickly to install spray foam into our attic. Daniel listened to our concerns and was very knowledgable. High quality with affordable pricing. We were absolutely pleased with our service and will be recommending them to all of our friends.
I can’t say enough great things about Panda Insulation! They recently did spray foam insulation in my attic, and the results have been absolutely amazing. My house is finally cool, my AC actually shuts off, and even the garage isn’t burning up like before. The difference is night and day! The customer service was exceptional. Daniel was extremely professional—he explained everything clearly, answered all our questions, and even followed up after the job to make sure we were 100% satisfied. That kind of service is rare and so appreciated! The technician who came to do the spray foam was incredibly polite, courteous, and did a fantastic job. Everything was done efficiently and with care. We’re extremely grateful for the service we received and highly recommend Panda Insulation to anyone looking to improve their home’s comfort and energy efficiency. Thank you for everything!
Bought a home in Alamo. The insulation was sloppily installed , there was no insulation above the garage, and the ductwork leaked. The attic could get as hot as 145F and the uninsulated garage got up to 105F. The worst energy use was 56 kWh/day. Patched ductwork leaks and use dropped down to 32 kWh/day. After Panda sprayed the underside of the roof deck to R38, and put 2 inches of foam on the ductwork, about 24 kWh/day (without using the electric dryer or oven). Before Panda, air coming out of the registers was around 58F, after insulation around 50F. It only took two days, thanks a million Panda, and especially Daniel with so much experience.
Recent Reviews:
Excellent service!! The team led by Josh, including Nico and Jacob, were excellent. They were prompt, and so respectful and professional. Arrived early and checked in with me ensuring the project details were as expected. They also double checked with Clayton, the sales rep, who created the quote and statement of works prior to beginning the job. Regularly checked in with me throughout the day, and working in triple digit heat, never once looked overwhelmed. They were patient, kind, trustworthy, and polite and very careful with the property...ultimately respectful. We did the walk around at the end of the day and Josh communicated what needed to be done in the event of any issues, and thoroughly explained expectations going forward. First rate installation and service. So glad I did this. Already much quieter! I also want to mention that Mia in the office was fantastic and very responsive to all my questions.
The guys at Retrofiam Did a great job insulating my 1950 home. They were minimally invasive with small Holes in Sheetrock To do the job. They let the home clean and dust free and even patched the wall Holes. With minimal texturing and paint the walls Looked good as new and the home is so much more comfortable now. Thank again !!
Highly recommend RetroFoam - the process was simple and straightforward from the initial assessment/estimate to the installation. Joshua and Nico were the technicians responsible for the installation, and they were professional and courteous throughout the process. They took great care in protecting the house, especially the floors. They did a great job and left everything clean.
Recent Reviews:
Fabian and his team were so wonderful to work with! I told him I wanted to live in a yeti cooler and he delivered! I was a little disorganized and he had to make a second and third trip but he was incredibly accommodating and kind about it. They also did an excellent job of cleaning up after. I highly recommend IFOAM insulation and Fabian!!
Fabian and his crew were very professional. They got the job done right and provided great customer service. Highly recommend them.
I am a project manager for Elite Homes. We build custom homes from A-to-Z, And a big part of our business is finding reliable contractors that can consistently have a Competitive price and also provide a great service. I- Foam And the business Fabian has built checks all of the boxes. He is consistently following up and sending bids and proposals to us. Ever once it is time to get the job done, he is very punctual and His crew and his work is very efficient and professional. I would recommend I-foam To anybody whether it is a small project or a Large project. They can handle it and will do a professional job.
Recent Reviews:
I had removal of old attic insulation replaced with new. Ben was very informative, professional and honest! Entire team was awesome! Highly recommend these folks!
With three kids constantly running around and the Texas heat creeping in, I knew I had to fix the attic — their insulation service was such a relief. The attic insulation made the whole upstairs livable again, and I could finally stop blasting the AC day and night. Best decision I’ve made for my family.
The difference was immediate — once the attic insulation was installed, my house stayed cooler, quieter, and way more comfortable. Their insulation service team in San Antonio worked quickly, professionally, and treated my home like their own. Best insulation upgrade I’ve done in years.
Recent Reviews:
Nat Clements with ARP came out to look at my roof and talk about what I needed. He was very personable and easy to understand. He seemed to care about my needs even though it wasn’t a large scale job. I got a reasonable estimate and sent ARP a check. The check didn’t arrive until weeks later causing delays and missed communication but Nat didn’t give up on me. He continued to contact me and got my job back on track and ultimately completed. Nat is a real professional, likable and quick to earn my respect. I will certainly recommend ARP and will call Nat again should the need arise.
We needed a ridge cap replaced and then some interior ceiling work done. When things didn’t go right the first time, they came back and made it right. Not every company will do that, so that earned them an extra star. We especially liked working with Nat, who went the extra mile for us.
Great service. Dustin went out of his way to make sure we were pleased with our new roof. We love it! ARP did all the work dealing with our insurance company too !
Recent Reviews:
We had our old attic insulation replaced with foam in two area of our home. The crews were very careful to protect our home and furnishings while they worked and were all very personable. Our attic space is now clean and cooler and we are looking forward to lower energy bills! We even found out the expense is an energy saving tax write off. We feel like we made a great decision with a great company.
Recent Reviews:
My company put a lock behind my pre-loaded trailer and forgot to take it off. The workers at this place got a grinder and cut it off. They were real cool about it and i am grateful for that. Great service. They unloaded a full trailer in 30 minutes. If you get here early, you can park in the street next to the sidewalk. Make sure you don't block the business right across from their gate. The gate is on the far right. The docking might seem daunting, but don't worry about it. They make you enter through the gate and go behind the building where you can pull forward and do a 45° docking. It's not bad at all. Just be careful not to hit the vehicles that are moving around and you should be fine. Workers will guide you. Friendly service, fast unloading. I wouldn't mind coming back here again.
Honest people work here! My inspector said the spray foam in my attic was lacking an intumescent (fire protection) coating which costs about $2,000. I called this company to review the specifics of my attic, and they said the coating was not needed, even though they could have said yes and charged me to do it. Much appreciated!
Small location , busy businesss , receiving starts @8am. But can check in before, wait in the street parked across the business till they call you . There was a truck in front and they got us in at the same time. No problems docking plenty of room to turn.
"San Antonio Insulation Specialists"
Direct: (445) 270-7997
These are the questions San Antonio homeowners ask most about spray foam cost, R-value, and open- vs. closed-cell foam — with context for local pricing and roughly 30% typical energy savings. Compare the 20 verified San Antonio contractors above for exact quotes.
Not finding the right fit in San Antonio? Many spray foam contractors travel to nearby towns. These communities within about 60 miles all have verified contractors listed.