Find top-rated spray foam contractors and save up to 37% on energy bills
Compare 7 verified spray foam insulation contractors serving Caldwell, Idaho, backed by 264 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 Caldwell contractors handle both open-cell and closed-cell spray foam. Homeowners here typically cut energy bills by around 37% — 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 Very Cold.
Recent Reviews:
Tevis and Melissa came out to my shop to put insulation in the attic. It turned out good, nice and level. Tevis even helped me out with the baffles. They are really great, hard working people. Highly recommend. Thanks Eco Green!
Eco Green brought our attic insulation up to code. They were great at answering all the questions I had, and easy to get ahold of. The pricing was great, too!
Eco Green is highly recommended. They suggested options to help save $ on my power bill, let me know exactly what they were going to do as far as the work that needed to be done, were personable, and priced fair! Would recommend to anyone! Thanks!
Recent Reviews:
Roger was wonderful. Excellent job on our spray foam insulation. Great attention to detail. We have a decorative beam running through our home that I forgot to mention. Before I remember, Poly Seal was calling me to see if it gets sprayed or not. They taped off everything before spraying. They cleaned up afterwards. I'm very grateful for all the help. They are the best!
Are there more stars I can give? These guys did a great job with our spray foam insulation. I kept asking for more areas and tougher places to work in. Not only that but our job site wasn’t ideal. They had to do a lot of work moving and covering things for us. They went above and beyond for us. We also kept moving around the timeline. I’d say we were a nightmare customer but they stuck with us and did great work. Pricing was reasonable as well. Thanks guys!
Thank you Kyle Perkins for exceptional customer service. Not only did he help us find the right product for our application but he also find us the most cost effective product without sending us to the cleaners. Poly insulation is the way of the future!
Recent Reviews:
I’ve been working with Bronco Insulation for about a year now, and these guys are the real deal. Every job they do is clean, organized, and done right. You can tell they take pride in their work just by looking at the quality of their installs. Ben and Trevor are the main guys making it happen, and I can’t recommend them enough. If you need insulation work done the right way and on time, get ahold of them ,you won’t be disappointed.
I met Ben at the Nampa home show, we setup a date/time for a quote to install insulation above my garage (Seems to be a common issue here in the valley). We agreed upon a price which was very reasonable. Ben and his team showed up on time and was very professional! I'm extremely impressed by how transparent Ben was with the process and explaining all the details involved with garage/attic insulation. Thank you and 5 stars!
They came out to do a quote to do insulation in my attic above my garages. Ben was very knowledgeable and appreciative for my needs. They came out and did the work three days later. My garage is now 10-15 degrees cooler and now in enjoyable even in the heat of the day. Thanks Bronco Insulation Company. Highly recommend!!! Will explain the process, what to expect and then will show you what they did. Great job guys!!!
Recent Reviews:
The group at Idaho Insulation did a fast and quality job on our insulation project. Cleaned up well, couldn’t even tell they had been there until I poked my head up in the attic. I would recommend giving them a call.
They did an excellent job and gave us a wonderful deal to afford it. The work needed was completed in short time ( once access was granted), and was very impressive. Would highly recommend!
Brandon from Idaho Insulation did a good job of explaining my options. His crew was very responsive and did a professional job of installing additional attic insulation for my house. I would definitely recommend this company to anyone.
Recent Reviews:
In 2004, I purchased a brand new house. I couldn't understand why the master bedroom and bath was like walking into a freezer in the winter and an oven in the summer. At the recommendation of a friend, I asked Mark Kramer with Acme Insulation investigate. Mark said that he needed to get into attic crawl space above these rooms. He did that by going into the garage and crawling over only to find that access to these room was blocked by wooden boards. After removing the boards, he discovered that there was absolutely NO insulation! My builder's insulation company didn't even bother to remove these boards to do any insulation. I was furious. My one year warranty was up and I had no recourse to go after them. I found out the the insulation company my builder used is Marv's, who has been around for many years. It is apparent Marv's does NOT inspect the work their employees do because how can you miss not insulating a whole master bedroom, bathroom and closet???? Mark was shocked that my pipes did not burst. Acme insulators were professional and courteous. They made sure to clean up after themselves, which I greatly appreciated. Mark also followed up after to make sure the work was done correctly and to my satisfaction. The best news is that my heating and cooling bills have gone down substantially. It is amazing to not have to have a portable heater in the winter and fans in the summer. I can't believe I lived with this for 4 years before calling for help. You will not be disappointed with the work Mark and Acme Insulation will do for you. You will be VERY unhappy if you use any other insulator. I've recommended Acme to everyone I know. A friend who used Acme at my suggestion experienced a 30% decrease in her electric bill. She was amazed and thrilled. You will be too.
Mark at ACME insulation was great to work with for my commercial project. From start to finish he was helpful in explaining the most cost effective way to complete my job in a very professional and quality manner. They were very timely in coordinating with all of my other contractors to ensure that my whole job gets done efficiently. Thanks for the hard work Mark!
I called Acme Insulation after a very frustrating conversation with a different company in the Boise area. I instantly liked his warm and down-to-earth personality. He did not treat me like I was stupid-he listened to everything I had to say and answered all of my questions. He came out to our place to give us a quote and did a thorough inspection of our whole attic. He took a lot of measurements, made notes, and even took a few pictures. We had a lot going on in our older home we purchased two years ago.... and we knew this would not be an easy job like others. Mark was honest and up-front, giving us great input and suggedtions on our options, and what he would do. His crew was out to our house on time, exactly when Mark said they'd be, and worked their butts off. I don't think I ever saw any of them take a break! They truly busted a move on our attic job which took a good full three days! We had to have other work done in between those three days and everything worked out perfectly! The crew who came out here to work on each day cleaned up after themselves so that I never knew they were ever here! Here is what we had done: -Relocate attic access -insulate and sheetrock old access -remove all old insulation in attic -seal up all openings like lights & fans -wrap, seal all duct work -blow in new insulation We basically had no insulation, and what was there had gotten wet @ some point and stuck to the floor, or was in a few little piles. Our heating/cooling is in the form of a gigantic roof mounted HVAC unit we lovingly refer to as Chernobyl :) It sits into out attic making it extremely difficult to move around in, let alone try to clean out and fill up with new insulation. But our job was completed by Acme Insulation in a timely manor, with great attention to detail, and most amazingly at the exact price quoted to me by Mark the day he came and looked! Even though it took an extra day to scrape out all of that old insulation that no one really knew was in there! If you are looking for an honest and reliable company for your home insulation needs I highly recommend Acme Insulation! Mark does a great job, and the down-to-earth feel of this company really eased my fears of being ripped off that some of the big "chain" style companies made me feel! We had three different companies come out and bid our job-so we really did experience a difference. With our high summer temperatures this year our house has stayed amazingly cool and our power bill-which we are all electric-has been $50-100 less each month....no joke! Great job Acme!! And thanks!
Recent Reviews:
Good people. I've been delivering products to this location for a couple of years. Always a fantastic time. Great employees who seem energetic and happy. Marv is the best!! He is always friendly, and he genuinely cares about people. It shows in everything they do. I give them 10 stars, and I recommend them for your insulation needs.
Mr. Russ Ward helped me so much and made my experience here at the Marvs insulation wonderful. He helped me with all my needs and aspirations and really helped to make everything come together. Great communication skills and very professional. HIGHLY recommend Russ Ward at the Marvs Insulation:)
These guys are always on time, very hard Working. They keep in contact whether you're the home owner. Or the general of the job, they Keep you informed which makes The job runs smoother and allows you do. Coordinate with other contracting subs To keep your build running smoothly.
Recent Reviews:
Super tight area you’d have to head in make a u turn like getting out then make your back up Rosales unloaded my trailer super fast 🫡
Nice people, the dock can be a little tight. Just take your time and be safe! Thanks for being so pleasant!
Amazing service and follow through!! They communicated well throughout the process and showed up when scheduled. Installers went above and beyond. Trustworthy!
These are the questions Caldwell homeowners ask most about spray foam cost, R-value, and open- vs. closed-cell foam — with context for local pricing and roughly 37% typical energy savings. Compare the 7 verified Caldwell contractors above for exact quotes.
Not finding the right fit in Caldwell? Many spray foam contractors travel to nearby towns. These communities within about 60 miles all have verified contractors listed.