Maintaining a comfortable indoor climate in Indiana can be challenging, especially with freezing winters and hot, humid summers.
Choosing the right insulation in Indianapolis is essential for lowering energy costs and protecting your property. Quality insulation not only retains heat but also improves air quality, reduces noise, and helps prevent moisture damage.
We spent several weeks researching local installers to find the most reliable options. This guide highlights top professionals who combine technical expertise with fair pricing to help keep your property efficient throughout the year.
How much does insulation cost in Indianapolis?
Insulation installation in Indianapolis costs around $2 per square foot. For an insulation upgrade, you can expect to spend between $985 and $3,458.
| Insulation Type | Cost per Sq. Ft. (Installed) | Best For |
| Fiberglass Batts | $1.50 – $3.00 | Affordable; ideal for attics and open walls |
| Blown-In Cellulose | $1.75 – $4.00 | Eco-friendly; great for existing walls and attics |
| Spray Foam (Open-Cell) | $1.50 – $3.50 | Soundproofing interior walls and new builds |
| Spray Foam (Closed-Cell) | $3.00 – $7.00 | Superior air sealing and moisture resistance |
| Rigid Foam Board | $2.50 – $5.00 | Basements, crawl spaces, and exterior walls |
1. Bryant’s Insulation

Website: http://bryantshomeimprovements.com/
Address: 10645 Wyatt Dr
Contact: (317) 203-5120
Hours:
- Monday – Friday: 9:00 AM – 5:00 PM
- Saturday: 9:00 AM – 1:00 PM
Standard insulation often sags over time, but the blown-in fiberglass used by Bryant’s Insulation is designed to resist settling. Because of this, your property maintains its thermal resistance for decades rather than losing efficiency after just a few years.
We recently spoke with a homeowner who used their services for a drafty attic. He said the difference in their heating bill was almost immediate.
We also love that Bryant’s Insulation uses water-resistant, fire-retardant products. This significantly enhances the safety of your home environment.
Their materials are also rodent-proof, which helps you avoid the headache of calling for pest control due to nesting in the walls.
That said, since they focus exclusively on blown-in fiberglass, they might not be the right fit if you specifically require spray foam or rigid board solutions.
We had a great experience
We had a great experience working with Bryant to upgrade our attic insulation. We chose them because they had a strong rating and after a bad experience with another contractor I was very relieved that they have integrity. Luckily we were able to be recommended another contractor who helped us solve our other issues caused by improper HVAC installation and I noticed our gas bill dropped by about 12 percent in the first month since insulating. We had to reschedule a couple of times but we’re very happy with the results. We highly recommend them.
- Indykittykeilah | Google Review
Chris and team did an amazing job
Chris and team did an amazing job insulating my attic. It sounds crazy, but my wife and I could already feel a difference immediately after they were finished (our prior insulation was only around eight inches in depth). I added before/after pictures to the review; some parts of the house were completely bare before Bryant came to the rescue. I don’t think we’ll cold this winter for the first time in a long time!
- Nathanael Goins | Google Review
2. Spray Foam Insulation Indianapolis

Website: https://www.sprayfoaminsulationindianapolis.com/
Address: 105 N Sherman Dr
Contact: (317) 316-9780
Hours: Monday – Friday: 8:00 AM – 6:00 PM
Controlling humidity and vapor movement is essential for keeping a structure in good condition, and Spray Foam Insulation Indianapolis delivers on that.
They focus on open- and closed-cell applications that create tight, airtight seals. Because of this, they help block outdoor contaminants and allergens, which improves indoor air quality while lowering daily utility costs.
Their foam also limits heat transfer by convection and conduction, thereby supporting the overall strength of the building.
Plus, the dense application works as an effective sound barrier. This makes them a good option for homes near busy roads or noisy areas.
However, it is important to note that spray foam has a higher upfront cost than traditional fiberglass or cellulose.
While long-term savings can be significant, the initial investment may be challenging if you are working with a strict budget.
From start to finish, the process is smooth
Spray Foam Insulation Indianapolis delivers outstanding insulation solutions with professionalism and care. Their team is knowledgeable, efficient, and committed to improving energy efficiency and comfort in every home they service. From start to finish, the process is smooth, and the results truly make a difference. Highly recommended for anyone looking for reliable insulation experts in Indianapolis! ⭐🏠
- June Carvin | Google Review
Top-tier service
I highly recommend spray foam insulation to anyone looking for a long term solution to improve energy efficiency and indoor comfort. Spray foam insulation Indianapolis delivers top tier service, expert craftsmanship and noticeable energy savings. Highly recommend for both residential and commercial projects.
- Jessica Hinton | Google Review
3. Indy Home Comfort

Website: http://www.indyhcs.com/
Address: 10801 E County Rd 100 N
Contact: (317) 804-4427
Hours: Available 24 hours
Improving energy efficiency often starts with understanding how your insulation and HVAC system work together. Indy Home Comfort offers attic upgrades and crawlspace encapsulation, along with detailed evaluations of your heating and cooling setup.
Last winter, I had them inspect my home. Their NATE-certified technicians did a thorough job identifying air leaks I had completely missed.
They also stand out for their transparent pricing, so you know exactly what to expect before the project begins.
On top of that, they offer waterproofing services to help prevent the moisture issues that are common in Indiana basements.
That said, because they handle both HVAC repairs and insulation work, scheduling for smaller projects can sometimes take longer.
Money well-spent
I purchased a 52 year old townhouse that basically had no attic insulation remaining. Steve provided an estimate that addressed the very same concerns which were in my inspection report–but he hadn’t seen the report! Therefore, I trusted his expertise right away. The temperature difference upstairs is noticeable. It was definitely money well-spent with a reputable company.
- Cathy Sabol | Google Review
Overall reasonable prices
I’ve had Indiana Home Comfort Solutions perform a lot of work for me on a house I bought last year and am just now getting around to reviewing…new A/C, new furnace, added insulation. Overall reasonable prices, honest people and patient with a new homeowner. Steve is very knowledgeable and his crew (Robbie, Brad, Austin) are some of the hardest working people I’ve met. Highly recommend.
- Richard Reynolds | Google Review
4. Precision Insulation

Website: https://insulationindianapolis.net/
Address: 326 S Holmes Ave
Contact: (463) 307-0968
Hours: Monday – Saturday: 7:00 AM – 7:00 PM
Each property comes with its own set of challenges, and Precision Insulation addresses this by offering customized insulation solutions for both homes and commercial buildings.
They are experienced in handling everything from walls and attics to more complex basement renovations that require proper moisture protection. Sealing cracks and gaps also helps keep pests out and reduces the chance of mold buildup.
Plus, their approach helps improve energy efficiency, reducing energy use and supporting environmentally friendly living.
On the downside, their focus on larger commercial work can sometimes lead to longer wait times for residential projects. Booking ahead is usually the best way to stay on schedule.
Extremely impressed
Having had work done on my home many times throughout the years I have to say this was one of the most seamless companies I have hired. From start to finish everything was explained well and put my mind as a homeowner at ease. The level of quality craftsmanship and organization made everything turn out great! Everybody that I got to speak to was very prompt and responsive. Extremely impressed and highly recommended!
- James K | Google Review
5. Gale Insulation

Website: https://www.truteam.com/branches/in/indianapolis/18/
Address: 2040 S Lynhurst Dr Ste J
Contact: (317) 241-6391
Hours: Monday – Friday: 6:00 AM – 5:00 PM
When it comes to large projects, a strong supply network can make a big difference. That’s exactly why Gale Insulation is a solid choice for insulation needs. They benefit from a nationwide reach.
They offer a range of materials (including foam board, cellulose, and spray foam) to suit different project needs. Their installers are also skilled in air sealing, which helps prevent unwanted air from entering or escaping a building.
On top of that, they offer fireproofing services that improve resistance during fire situations. This makes them a solid option for commercial projects that are especially strict with safety standards.
Even more impressive, their team is experienced in both new construction and large renovations.
That said, scheduling may be difficult for homeowners with weekday commitments since Gale Insulation doesn’t operate on weekends.
They are very helpful
You need insulation for your home or commercial building this is the place they are very helpful they know their product very well and will also help you design a wall layout to help you with your insulation
- Slot King Dream | Google Review




