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TRUSTED BY SULLIVAN, WI HOMEOWNERS

4.1
Average homeowner rating
74
Verified insulation services reviews

Verified Reviews for Insulation Service pros in Sullivan, WI

*The Angi rating for Insulation Service companies in Sullivan, WI is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Insulation Service needs.

*The HomeAdvisor rating for Insulation Service companies in Sullivan, WI is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Insulation Service needs.

Last update on November 13, 2024

Reviewed in November 2024
My experience with USA Insulation was very good from beginning to end! The home inspection and quote process, insulation installation, and follow-up work completion photos was done professionally and thoroughly. If you need your home insulated, USA Insulation in McFarland WI is the place to...
USA Insulation of Madison
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Reviewed in March 2022
Wow! What a terrific company! We cannot say enough about their knowledge, customer service, responsiveness, quality and outstanding workmanship, quality materials, dedication, conscientiousness, communication, project management, and clean-up! Our home experienced significant water damage caused...
Total Exterior Pros
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Reviewed in September 2021
I highly recommend Great Lakes Eco Systems. I'm glad I selected them to perform my attic insulation/air sealing/ventilation project. Everybody that I dealt with from the company was very knowledgeable, professional, and conscientious. Plus, they were all very nice people to work with. Their bid...
Great Lakes Eco Systems, Inc.
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Reviewed in July 2020
Rick was the only contractor to reply to my call for an estimate the same day. He scheduled the work promptly and showed up on time. I have hired him twice: Blown in insulation in the attic in April and recently Spray Foam on my basement rim joist. In both instances Total Comfort did a great...
Total Comfort Insulation
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Reviewed in November 2019
Thermal Comfort exceeded my expectations for scheduling my project, and the quality of their work is excellent. They did a great job of protecting everything prior to application, and the cleanup was done well. As a retired architect and professional engineer, I expect and watch for quality, and...
THERMAL COMFORT INC
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Reviewed in July 2018
Premier Insulation did a great job for us. David and Jonathan are impressively knowledgeable, hard workers. We would not hesitate to recommend them.
Premier North Insulation
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Reviewed in April 2018
My home is 48 years old and in western Waukesha County, Wisconsin. It's hard to say how many coats of paint/stain have been put on this house since it was constructed. No spot was worse than the framing around our garage door opening. The wood was worn and despite being freshly painted in...
Infinity Exteriors LLC
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Reviewed in September 2017
Sevrpro was hired for the water/mold mitigation and rebuild. Todd verbally told me, and his Servpro website stated that Servpro of SW Waukesha County was an IICRC certified firm (which at the time we entered our contract it was not), and that there was an IICRC certified Mold Expert (Applied...
SERVPRO of Southwest Waukesha & Jefferson County
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Reviewed in March 2017
The whole experience with S & E was great from start to finish. The rep that came out to give the original quote was knowledgeable and did a great job explaining things that needed to be done, he was also out one of the days they were working to make sure everything was going smoothly. The crew...
S & E Insulation Inc
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Reviewed in December 2016
I have a bedroom downstairs, the whole rest of my basement is finished. There is a section of the house that kind of extends out, and but that room was never finished. The room already has electrical too it. I inquired about having some insulation put in by the foundation walls, and some...
Reality Construction LLC
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Find Insulation pros in Sullivan

USA Insulation of Madison

4.9(

)

Serving Sullivan, WI and surrounding areas

Approved

Super Service Award Winner

In business since 2022

Free estimates

Credit card accepted

"The company does installation of insulation. But it does not do removal of existence contaminated insulation."

+24

Response time1 day

Response rate100%

44 neighbors recently requested a quote

Serving Sullivan, WI and surrounding areas

Approved

In business since 2021

Free estimates

Offers commercial services

"Very friendly and did an amazing job spray insulating the bottom of my mobile grooming trailer! I highly recommend him for any insulation needs!"

Response time7 hrs

Response rate89%

2 neighbors recently requested a quote

Serving Sullivan, WI and surrounding areas

Approved

In business since 2016

Free estimates

Warranties offered

"Kyle wen above and beyond my expectations! Very professional and knowledgeable! Every business should have someone like Kyle. I would highly recommend Elite Insulators. I have other projects coming up and he is already hired! Lol! THANK YOU Kyle!!"

+56

Response time2 days

Recommended by57%of homeowners

Serving Sullivan, WI and surrounding areas

Approved

In business since 2022

Free estimates

Offers commercial services

"He was great and did an awesome job."

Response time50 mins

3 neighbors recently requested a quote

Recommended by50%of homeowners

Serving Sullivan, WI and surrounding areas

Approved

In business since 2007

Free estimates

With over 10 years of experience in the insulation industry, we are the service professionals you need to take care of your home or business. We handle all types of insulation projects. We will treat your home as we would treat our own. Give Spray Foam Genie a call today, we look forward to working with you!

Response time1 day

8 neighbors recently requested a quote

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Thermal Exteriors INC

5.0(

)

Serving Sullivan, WI and surrounding areas

Approved

In business since 2002

Free estimates

Warranties offered

A dedicated approach to providing solutions for your home.\n\n\nThermal Exteriors\n“Shielded with Integrity”

42 neighbors recently requested a quote

Serving Sullivan, WI and surrounding areas

Approved

Super Service Award Winner

In business since 2019

Free estimates

Emergency services offered

"Excellent company ! Prompt customer service, great value, answered all of our questions. Yard was spotless after completion of the new roof. We have referred Modern exterior to our friends and family."

+600

Response time5 hrs

Response rate99%

180 neighbors recently requested a quote

Serving Sullivan, WI and surrounding areas

Approved

In business since 2020

Free estimates

Credit card accepted

"Salesman was very professional. Showed up in a vehicle worth the name on the side and in a uniform. Made a video of the bad area of our gutters and explained in detail what problems this would cause and had a very good presentation about the company and product."

Response time2 hrs

8 neighbors recently requested a quote

Recommended by75%of homeowners

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RetroFoam of Wisconsin Inc.

New to Angi

Serving Sullivan, WI and surrounding areas

Approved (Corporate)

Free estimates

Credit card accepted

Offers commercial services

RetroFoam of Wisconsin specializes in RetroFoam injection foam insulation for existing walls, helping homeowners improve comfort and energy efficiency without the mess or disruption of a full remodel. Our insulation solution is designed to reduce drafts, help maintain consistent indoor temperatures, and make homes more comfortable year-round. We serve homeowners across the state. Whether you live in a historic home or a newer build, our team provides a proven insulation solution tailored to your needs.

48 neighbors recently requested a quote

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STARS AND STRIPES SEALCOATING

New to Angi

Serving Sullivan, WI and surrounding areas

Approved

Free estimates

Emergency services offered

Small jobs welcome

Hello I'm Brad and we do an excellent job with fair prices including crack filling, sealcoating and pavement markings

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Insulation questions, answered by experts

If you have bubble wrap lying around the house and you don’t care about the odd look, taping bubble wrap over a window is a very affordable way to insulate it. Another inexpensive option for insulating windows is to add new caulk around the glass. This step quickly cuts down on air drafts for older windows, and a tube of caulk only costs a few dollars. Adding plastic shrink film around the glass is another cost-effective option. You can purchase a kit of plastic film for a few dollars per window.

If you have access to the foundation walls, adding spray foam insulation to your existing unfinished basement or crawl space is straightforward. Replacing existing insulation in your unfinished attic space is possible after removing the old insulation. However, spray foam insulating an existing wall after the drywall is in place isn’t possible unless you remove most of the drywall.

Rigid foam board insulation is one of the safest insulation materials for basement walls. The panels offer a moisture barrier to prevent mold and mildew build-up. At the same time, this material is also fire-resistant, so you don’t have to worry as much about a fire breaking out as you would with spray foam insulation.

One of the biggest disadvantages of glass garage doors is that they are not the best at insulating your garage. In the summer, heat can enter through the glass, while in the winter, heat can escape through the glass, increasing your electricity and gas bills as you crank up your HVAC unit. You can help mitigate the poorer insulation by investing in insulated glass and insulating your garage.

For a DIY solution to protect an outdoor faucet from freezing, you can craft a cover using spare rags, a durable plastic bag, and duct tape. However, be aware that this method may not be as effective as a store-bought cover. Fabric like rags or old towels can absorb water, which could freeze and cause problems. While a DIY cover can work as a temporary stopgap, a proper outdoor faucet cover is inexpensive (often $5 or less), easy to install, and readily available, making it the recommended long-term solution.

The Sullivan, WI homeowners’ guide to insulation services

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

See all articles

Rachel Hoffman
•
May 30, 2026May 30, 2026
How Much Does Insulation Installation Cost? [2026 Data]
New insulation can make your home more comfortable and boost energy efficiency. Use this insulation cost guide to get an accurate estimate for the installation.
Dan Simms
•
Jul 9, 2026Jul 9, 2026
How Much Does Attic Insulation Cost? [2026 Data]
Insulating your attic can massively improve your home’s efficiency and reduce electric bills. Use this guide to find out what attic insulation will cost you.
Deane Biermeier
•
Jul 8, 2026Jul 8, 2026
How Much Does Ceiling Insulation Cost? [2026 Data]
Your home's ceiling insulation cost will depend on several factors, including the project size, the type of insulation you use, and the R-value.
Audrey Bruno
•
Jul 31, 2026Jul 31, 2026
What Is Insulation and Why Do You Need It for Your Home?
What is insulation? This behind-the-scenes home fixture will maintain comfortable temperatures in your home no matter the season. It’ll lower energy bills, to boot.
Dan Simms
•
Jul 9, 2026Jul 9, 2026
Inspecting and Repairing Your Insulation: Follow This Checklist
Use this DIY checklist for insulation repair to make your living space more comfortable and reduce your heating and cooling bills in the process.
Audrey Bruno
•
May 3, 2026May 3, 2026
10 Types of Insulation for Your Home
There are 10 types of insulation you can use for your home. Read this guide to discover which insulation types could be best for the job.