Find top-rated spray foam contractors and save up to 33% on energy bills
Compare 8 verified spray foam insulation contractors serving Holly Springs, North Carolina, backed by 330 customer reviews averaging 4.5★. Whether you're insulating a new build, retrofitting an existing home, or upgrading attic and crawl-space insulation, these pre-screened Holly Springs 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:
Great company all around, Scott is fabulous. Can't go wrong with Allied
Fantastic price and great results. Did my 50x30 shop and what a difference it made.
Allied does solid work at a great price. They stand behind their work and are awesome to work with. Highly recommend.
Recent Reviews:
I had Oscar and his crew do a open cell spray foam on my attic space project and it turned out wonderful. They did a awesome job with pricing, quality, cleanup and great communication. I will definitely be using your service again for future projects. Thanks Oscar to you and your team job well done! 💯
Oscar and his crew were very professional and very dedicated hard-working professionals that did a great job, especially under the hottest working conditions of the year in very confined spaces. Workmanship was excellent They arrived on time and stayed until the job was completely finished. We could not have been more satisfied with the work effort and a professional attitude during the process. We had several estimates and some were very insane. Estimates Oscar estimate was very reasonable because of being in the Construction business myself, I realize the magnitude of the work most people don’t realize the magnitude of some of the work that is required to do the jobs, especially under the hottest conditions of the year
These guys were great to work with! Small family owned business just like myself! I had a difficult project for them as I had 16x16ft hexagon lights already hanging in my shop which Oscar was eager to come and set eyes on the job I which he was confident it wouldn't be an issue. I helped them take lights down as well as put them back up to make it as easy as possible for them to do an amazing job, and that they did! Thank you guys for honoring your price even though it took longer to finish(left at 930pm) which I greatly appreciate as a business owner myself I get when this type of stuff happens on a job and I couldn't be more happy with the outcome. Posting before and after photos
Recent Reviews:
Tony and his crew from Insulation Commandos transformed my crawl space from a scary mess into something far cleaner, more organized, and much more effective for moisture control. They worked around my schedule, arrived exactly when they said they would, and used high-quality materials to get the job done right—in just one day. The improvement is so impressive, I might even be brave enough to step inside someday! I highly recommend Tony and the team at Insulation Commandos for their professionalism, efficiency, and quality work.
Had the plastic sheets on our crawl space dirt floor replaced and upgraded with new, thicker, better vapor barrier that is sealed to walls and pillars. Also added a commercial dehumidifier to address summertime dampness. Tony’s team of Chris, Patrick and Parker were here for about 8 hours. I inspected at completion and they immediately took care of a few issues. Looking forward to reorganizing and using my dry, clean new looking crawl space for storage. Thanks guys!
We recently solicited several estimates for sealing our attic and upgrading the insulation. After careful consideration, we ultimately did not chose to go with Insulation Commandos of Raleigh-Durham but we felt compelled to leave them a glowing reference based on our interactions with Chris. Chris, came to our home and gave us an honest and complete assessment of our attic and provided us a very competitive quotation while he was here. In addition, he answered all of our questions and we felt that he was very honest and straightforward. We feel Chris is someone you can trust in this industry. As mentioned earlier, we ultimately chose another company because we felt that it better addressed our particular needs but these folks were a very close second. We would have no hesitation in recommending Insulation Commandos to anyone in need of an attic insulation upgrade.
Recent Reviews:
Estiven and Martin were great to work with, had my attic and second floor walls done with spray foam and they encapsulated my crawlspace too. Left everything clean. would recommend.
General nc insulation has now spray foamed our current home as well as our previous home. The AC in our upstairs could not keep up during 90+ degree days. Insulation solved the problem. Hhey are very professional to work with and they did a great job. Definitely recommend.
This guys are very profesional, I had several quotes in the end I decided on them and they schedule me quickly, on the day of the project they were very professional, if you have a project I highly recommend them.
Recent Reviews:
I can’t say enough wonderful things about this company! First, their price was unbeatable (we got five quotes). Second, their commitment to customer satisfaction was truly exceptional. We hired them to encapsulate our crawlspace—they installed a new vapor barrier, removed the old floor insulation, added foam board on the walls, installed a dehumidifier, and more. When the dehumidifier produced a slight humming sound, the owner came out multiple times to make sure it wasn’t bothering us. They even added extra insulation to reduce the noise—at no additional cost. It’s rare to find a company that combines great pricing with outstanding service. I give them an A++ and would recommend them without hesitation!
We wanted to seal the crawlspace of our new house in September, and I contacted five different companies to come out and give me quotes. There are a variety of techniques out there (encapsulated, HVAC open/closed, dehumidifier or not, etc) which was difficult to navigate. Chris from Livegreen came out and explained their process thoroughly yet simply, sharing pictures of what to expect as he explained. As well as being the most competitive price, we decided that the Livegreen method sounded like the one with the least amount of hassle/maintenance (no dehumidifier maintenance). The week before we moved in, Livegreen came by and cleaned out the crawlspace and sealed it. The team was professional and friendly and did a fantastic job. The crawlspace looks great and 3+ months on we are very happy with it. It is so nice to have a clean, sealed space under the house if you have the unfortunate need to go crawling around in there (our plumbers were very happy too). It supposedly helps with electricity bills as well, but of course we have no prior bills to compare it to. Nonetheless, we happily recommend the Livegreen team!
Chris from Live Green just came out to inspect my crawl space. I was sure it had mold and standing water (as another company told me last week). Chris said he found no mold, no water. He talked with me at length and said that our home does not need work in the crawl space. He was the most honest, knowledgeable, helpful person. Use this company. Tell your friends!
Recent Reviews:
Recent Reviews:
Masco/Eastern Insulation did a great job with the installation of my addtional attic insulation. They were very courteous and professional, great prices and friendly staff. Extra thanks to our rep, Cydney Graham. I would recommend them to my friends and neighbors for all their insulation needs.
Nice people. Unloaded pretty quickly. Only unload at night but you can park here if you need to
Fast unload
Recent Reviews:
Dave and the team were easy to work with, responsive with questions and timely with their completion of the project. They installed the glass shower enclosure quickly and at an excellent price as well. Would use them again in the future and would recommend them for friends and family!
Tri City did a great job on our attic. They showed up on time, put down plastic and protective measures, and were finished quickly. The installation team asked me to check their work and made some final touch ups and were done quickly! Great experience all around.
Had spray foam and crawlspace plastic installed. Worked with Brian and Nathan. Both were great to work with. Plenty of communication back and forth. Nathan did a really nice job cutting in the plastic around the piers. Would recommend them.
These are the questions Holly Springs 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 8 verified Holly Springs contractors above for exact quotes.
Not finding the right fit in Holly Springs? Many spray foam contractors travel to nearby towns. These communities within about 60 miles all have verified contractors listed.