*The Angi rating for Insulation Service companies in Ontario, 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 Ontario, 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 September 17, 2025
Serving Ontario, WI and surrounding areas
Approved
In business since 2018
Free estimates
Warranties offered
"Over all good timely work just thought when they came to inspect the job they would remove some old (already bagged) insulation for free, then never received a quote and after they finished the job I was billed $125 to remove the insulation if I had gotten a quote I would have gotten rid of it myself."
+2
Serving Ontario, WI and surrounding areas
Approved
In business since 2023
Free estimates
Credit card accepted
"Best product money can buy. Elite insulation was fast on time and reliable. I look forward to working with Tony and the crew in the future."
Serving Ontario, 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!
Serving Ontario, 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.
Serving Ontario, WI and surrounding areas
Approved
In business since 2021
Free estimates
Offers commercial services
Welcome to WiscoFoam! We always provide high quality work that produces an exceptional product. We pride ourselves on the relationships we build with all of our clients, and we cannot wait to hear from you. Call today!
Serving Ontario, WI and surrounding areas
Approved
In business since 2022
Free estimates
Credit card accepted
Were a locally owned and operated company that values honesty and integrity and treats your home as if it were our own. Our services are customized to the individual project, paying close attention to the details of each project that we're involved with. We pride ourselves on the quality of our work as well as our commitment to outstanding results. We look forward to building lasting relationships and guaranteeing your satisfaction!\n
Serving Ontario, WI and surrounding areas
In business since 1974
Free estimates
Credit card accepted
We proudly service Rockford, IL, Chicago,IL. and Madison,WI. areas. Please call us at any of these numbers Rockford area at 1- 815-547-0159, Chicagoland area at 1-847-201-6511 and Madison area 608-237-1317. Dear Home Owner,Thank you for considering GF Company to fulfill your home improvement needs. We are more than confident that you will be satisfied with our service, products and prices. You, as our client you will never come across any hidden costs or surprises with your estimate. Our quotes are your final price. Let me just take a moment to introduce us to you. GF Company is locally owned and operated since 1974. We take huge pride in our services, products and workmanship. We will provide you with Lifetime Warranty on Material and Our Work. We belong to BBB (Better Business Bureau) with an outstanding grade of A+, recipient of complaints free award since 2002.. We are also a recipient of Angie's List Super Service Award since 2012. We are proud to say we have 98% customer satisfaction rating. G.F. Company is an EPA (Environmental Protection Agency) Lead Safe Certified Firm. We always think "GREEN" trying to help the environment and make the world better place. We have our share by recycling everything that we possibly can and that includes but is not limited to aluminum and steel gutters and siding from your house shingles from your roof, vinyl siding and all the cardboard boxes left from the supplies that we installed on your home. We thought we would share this with you. GF Company has been named Platinum Partner Company of Progressive Foam( the maker of Prodigy siding Insulation )with benefits to you knowing that the company working on your house has been recognized by the manufacturer for its superior quality and excellence of Workmanship. We are the only in this area Atlas- Platinum Level Signature Select Roofing Company
+19
Serving Ontario, WI 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."
+2
Serving Ontario, WI and surrounding areas
In business since 2022
Free estimates
Warranties offered
"He showed up ready to go, very knowledgeable knowing how to and why it would be a good choice for our project. our basement needed extra insulation so our pipes don’t freeze, i’m super happy with the job, and the clean up was done right away. couldn’t tell he was even there working. i really appreciate when you don’t have to clean up after a contractor it shows a lot of respect."
+3
Serving Ontario, WI and surrounding areas
In business since 2007
Free estimates
Garcia's Insulation and Construction, LLC is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests and make their concerns the basis of our business.
From average costs to expert advice, get all the answers you need to get your job done.
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.
Crawl space insulation costs vary by size, insulation type, and material. Read this guide to learn how much your crawl space insulation could cost.
Find out the average pipe insulation cost, including material and labor prices, plus tips to save money on your project.
Learn how to decide if your home needs dryer vent insulation to protect your vent from drafts and moisture that can make your energy usage less efficient. Poorly ventilated dryer vents also increase mold risks!
Removing old insulation may be necessary for upgrading your insulation. Keep reading to see if you should remove old insulation before adding new insulation.
Learning how to insulate plaster walls can help improve your home's energy efficiency. However, there are crucial cautions to consider before attempting.
