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Top-Rated Insulation pros in Princeton - Updated Nov 2026

Avatar for INSULPRO, Inc.
INSULPRO, Inc.
4.6(
34
)
Blown-In Insulation - Install or UpgradeSpray Foam Insulation - InstallBatt, Rolled or Reflective Insulation - Install or Upgrade+1 more

Serving Princeton, IN and surrounding areas

Approved

In business since 2001

Free estimates

Small jobs welcome

"I used them for spray foam insulation. The installers and the estimator were easy to work with. Pricing was very attractive. The installers got a little over zealous with the thickness of the foam, especially in some hard to access locations, and the clean up could have been better, but it was getting late in the day, and that was understandable. I have used large cell spray foam on two previous occasions, and I suppose because that was all those companies did, their installers were a little more adept at spraying a more consistent and even application. Having said that, I would not hesitate to use Insulpro again."
Cellulose Walls
Typical attic of an older home
 Blow-In-Blanket
Cellulose Walls
Air sealing over voids in attic

+8

Response time2 days
23 neighbors recently requested a quote
Recommended by90%of homeowners
Daniel Wallace
New to Angi
Batt, Rolled or Reflective Insulation - Install or UpgradeBlown-In Insulation - Install or UpgradeInjection Insulation - Install+1 more

Serving Princeton, IN and surrounding areas

Approved

I’m a hardworking person who doesn’t like to leave projects half finished or looking sloppy, I can be a bit of a perfectionist. I’ve always fixed and built almost everything I needed myself and I take pride in being self sufficient. I’ve been an electrician for a year and half now and before that I was fabricating aerators for private residences. I have a wife and two children, so I can handle the chaos of a whole house remodel even if you decide to alter any details halfway through.

SunRay Roofing
5.0(
15
)
Batt, Rolled or Reflective Insulation - Install or UpgradeBlown-In Insulation - Install or UpgradeInjection Insulation - Install+2 more

Serving Princeton, IN and surrounding areas

In business since 2018

Free estimates

Emergency services offered

SunRay Roofing prides itself on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project.\n\nYour home is one of the biggest investments you'll ever make, which is why you need to hire a roofing company that you can trust to take care of it. Make Sunray Roofing your #1 choice for roofing services in Evansville, IN or the surrounding areas. From reroofing to repairs, we can handle any roofing project you throw our way.\n\nIf you're looking for an affordable way to improve the appearance of your property, consider replacing your faded, worn-out siding. Sunray Roofing performs siding installation and siding repair for residential properties

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Recommended by100%of homeowners
Avatar for American Home Shield – Home Warranty
American Home Shield – Home Warranty
3.5(
5,689
)
Batt, Rolled or Reflective Insulation - Install or UpgradeBlown-In Insulation - Install or UpgradeInjection Insulation - Install+2 more

Serving Princeton, IN and surrounding areas

In business since 1971

Credit card accepted

"Roberto was the technician and he was very professional, polite, and personable. He inspected the rest of our system and told us things that needed to be changed or repaired. He showed me pictures of everything. Everything he told me about was accurate. He quoted me a price for R38 insulation , Some of our ducts were plastic and he recommended them to be changed. I agreed completely and didn't know they were plastic. I would have had them done the work but I had no price comparisons to make and besides I didn't have the money right then. So he just finished the vent cleaning and left his card. He did a great job on the vent cleaning and was happy with the work."
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+2

Recommended by65%of homeowners
Avatar for Elite Stucco & EIFS Solutions
Elite Stucco & EIFS Solutions
4.1(
18
)
Batt, Rolled or Reflective Insulation - Install or UpgradeBlown-In Insulation - Install or UpgradeInjection Insulation - Install+2 more

Serving Princeton, IN and surrounding areas

In business since 2005

Free estimates

Emergency services offered

We want to keep our customers safe, we can come out and do a FREE estimate and the customer does not need to come meet us outside. We will then send the estimate via email. WE FOLLOW SAFE DISTANCING PRACTICES Call us at 317-413-6654 Specialising in Commercial and Residential Exterior Repair, Restoration and installation of traditional Stucco, Synthetic Stucco and EIFS, waterproofing, Painting exterior, Luxury limestone Fireplaces and now Epoxy Flooring.

After restoration and Limestone finish
Before restoration
After restoration and limestone finish
Before restoration
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+222

Recommended by100%of homeowners
Avatar for Bowman's Home Improvement - Home  Facebook
Bowman's Home Improvement - Home Facebook
4.6(
12
)
Batt, Rolled or Reflective Insulation - Install or UpgradeBlown-In Insulation - Install or UpgradeInjection Insulation - Install

Serving Princeton, IN and surrounding areas

In business since 1996

Free estimates

Emergency services offered

With over 20 years of experience in the new home building, home improvement industry and handyman services, we are the experts you need to take care of your home or business. We handle everything from home additions to kitchen remodels and handyman services. We will treat your home as we would treat our own. If you choose us then give Bowman's Home Improvement a call directly at 812-582-2354, leave a message, we look forward to working with you! \n \nLook me up on Facebook to view a few jobs I've posted, and get a feel of who i am, also on messenger.

Response time5 hrs
Response rate96%
Recommended by100%of homeowners
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Insulation FAQs, answered by experts

It is possible to insulate your walls without removing drywall, but it’s not a good idea to attempt the work yourself. A professional can use blown-in insulation or spray foam insulation to fill wall voids without opening up the walls, and the option they use typically depends on your climate and whether or not there’s insulation in your wall already that can remain in place. Spray foam insulation costs more and isn’t always a viable option, but it’s a better insulator. Call in an expert to help decide which is right for you.

DIY installation is not recommended, as professionals ensure even distribution, proper sealing, and compliance with building codes.

You should not use spray foam insulation in several specific areas. Avoid applying it in spaces exposed to high temperatures, such as near electrical boxes or recessed lighting, unless the foam is specifically rated for such use. Applying foam near electrical boxes can damage the wiring, and using it too close to lightboxes or recessed lights creates a potential fire hazard. Additionally, do not use spray foam in areas prone to shifting or movement, as this can lead to cracks and gaps in the insulation. Finally, open-cell foam is unsuitable for use below ground or in areas exposed to moisture because it can absorb water, which compromises its insulating effectiveness.

The best type of attic insulation depends on where you live, your budget, and what stage of construction the attic is in. For example, if you're building a house, then structural insulated panels are a worthy investment since they're easy to install during construction and they're the most energy-efficient type of insulation.  

Additionally, if you live in a very warm climate, then you can potentially save quite a bit of money by opting for reflective insulation, which is more affordable than comprehensive insulation but doesn't work well for cool climates. Blown-in, loose-fill, and spray foam insulation are all great options for attics in moderate climates.

If you have blown-in insulation, using an insulation vacuum will quickly and easily suck up all the insulation. Many come with built-in HEPA filters for added safety. While some people suggest breaking up large batts and feeding them into the vacuum, this can expose you to more fiberglass fibers. With batts and rolls, carefully removing them and placing them into garbage bags is a better process.

The Princeton, IN homeowners’ guide to insulation services

From average costs to expert advice, get all the answers you need to get your job done.