General Contractor Partnerships
We’re ready to help build energy efficient homes.
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Full-Service
Insulation Company -
Licensed &
Insured -
80+ Locations
Nationally
Our Mission
Our mission at Koala is to provide efficiency and comfort for our customers and as a builder you understand that. Having Koala as your insulation subcontractor means that we’re already on the same page and we can get right to work!
Are you ready to work with the best insulation contractor?
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Inspections & Code Compliance
We know the codes in the area and adhere to them ensuring a successful blower door test if applicable and insulation inspection - the first time around!
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Getting the job done
Doing what we say, saying what we’ll do! This is one of Koala Insulations founding objectives. It’s simple yet so many companies can’t seem to get it right.
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Insurance
We are fully insured and carry General Liability, Workers Compensation and Commercial Auto coverages. Our insurance carriers are A+ rated, to ensure that our customers are protected. We’ll gladly issue a certificate of insurance to your office upon acceptance of a bid.
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Cleanliness
When we complete the insulation on your project, we’re going to leave the space free of any left-over insulation debris.
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Need a Vendor
Need a vendor that can pass a rigorous background check or get on government property? NO PROBLEM! Koala uses background checks with its employees.
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Need a job done quick?
We have the manpower and flexibility to do last minute fill-ins.
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Name brand products
We only use national brand products from the companies you already know and trust!
What We Work On
Residential
- New Construction
- Retrofits
- Storm Damage
- & More
Commercial
- Office Renovations
- Convenience Stores
- Apartment Buildings
- & More
Industrial
- Warehouses
- Manufacturing Buildings
- Showrooms
- Data Housing Centers
- Storage Buildings
- Flex Buildings
- & More
NEW CONSTRUCTION
Working with properties still in the works requires developing a good relationship with the owner, builder, general contractor, and other trades on-site. Our reliability and accountability really shine in this setting where a tight schedule reigns.
RETROFITS
Residential and commercial properties already built and in-use often call for extra care and courtesy. We make sure your home or business is cleaner than we left it and treat you the way we would want to be treated.
Why Choose Koala?
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Prompt
We get there on time, every time.
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Clean
No mess left behind! We clean up after ourselves.
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Experienced
We have 15+ years of experience in construction and home services.
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Knowledgeable
We’ll help you choose the right insulation for your project.
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See what our satisfied customers have to say about our blown in service!
Ready to book your free insulation evaluation?
We have 3 convienant ways for you to get in touch
LEARN MORE ABOUT INSULATION
Some of the Brands We Use
Read More of Our Reviews
Owner
Great job of communicating with us and letting us know what and when it was happening.
Fond du Lac
Owner
Yesterday we had insulation and a solar fan installed in our attic and we're thrilled with the results! Brian and Jaxson were knowledgeable and friendly, explaining the benefits and addressing our questions.
We've already noticed a significant difference in our home's temperature; the insulation kept us so comfortable last night. We can't wait to see how the solar fan will improve attic airflow and reduce our energy bills. Plus, the solar fan operates on renewable energy, giving us peace of mind about contributing to a healthier environment.
I highly recommend this installation for anyone looking to enhance their home's energy efficiency. It's a worthwhile investment in comfort, savings, and sustainability. Thanks to Brian and Jaxson for a job well done!
Oshkosh
Owner
Happy with the work and communication. Very positive experience. Would definitely recommend them!
Omro
Owner
Very professional from start to finish.
Fond du Lac
Owner
koala insulation did a wonderful job on our garage insulating the attic and the wall winter will be a lot warmer in the garage now. thank you
Green Bay
Owner
Top notch work. Punctual, professional and knowledgeable, they exceeded our expectations. Call Koala for your insulation needs.
Green Bay
Owner
Father and two young adult sons manage and operate the business, which is awesome. On my project, one son met with me in person to review the project and provide an estimate, and father and the other son completed the installation of 3" of spray foam in a large pole building. Happy with the work and happy to support this family run local business!
Waupun
Owner
Brian answered my call right away, came out that day, gave me a reasonable quote and fit me into his schedule right away. It was very refreshing as I had been looking for weeks to find someone to do the job. Great work!
Oshkosh
Owner
Very professional and knowledgeable staff. Would recommend to anyone.
Berlin
Owner
I needed to insulate my garage ceiling as I was installing a garage furnace. I called Koala Insulation and within 2 days I had someone on site giving me a free quote on the cost to complete my project. They scheduled the work to be completed in 2 weeks. I was kept informed by emails and texts as to what was going to be done and reminder notices of when they would arrive. Within 2 hours of arrival, they had completed the job. The personal service I received was excellent. I couldn't have asked for a better experience. I would recommend Koala Insulation to anyone.
Menasha
Owner
They came over to my house after I had a bad equipment rental when I tried to blow the insulation in myself. Everything they do is self contained in their trailer, so they leave no mess, and did an excellent job blowing into the correct depth. I really appreciate them saving my bacon, and at a very reasonable price. Highly, highly recommend!
Milwaukee
Owner
Pleasure to do business with. All work performed as explained. Great company
Milwaukee
Owner
We are absolutely thrilled with the recent installation of attic insulation and a solar attic fan by Koala Insulation! The crew was professional, efficient, and clearly explained the entire process. The solar fan is a fantastic addition, operating completely off the grid and providing excellent ventilation. We highly recommend Koala Insulation to anyone looking to improve their home's energy efficiency with quality attic insulation and a solar attic fan!
oshkosh
Owner
I recently purchased a home and the insulation in the attic was only about 3 inches thick. I shopped around to get some quotes. Koala was my first company that responded immediately and got something scheduled for an inspection. Holden came out and spent about 2 hours with me. He went through the entire project from A to Z. I was really impressed with him. I had my other companies come out but nothing compared to what Holden presented to me. They came out today to blow in the insulation. Brian who owns the company and his other son did an amazing job. It took them less than 5 hours. I love that this is a family owned business. I can’t recommend them enough.
Bever Dam
Owner
Holden gave an accurate assessment of work that needed to be done. Brian and Jackson were prompt, professional and explained everything they would be doing. Happy with the end result.
Appelton
Owner
Koala insulation did a great job in my shop. They were very professional, and I highly recommend them.
Green Bay
Owner
Super friendly, efficient, and clean work. Would definitely use them again and recommend them to others.
Appelton
Owner
Brian and his team did an excellent job on our attic work. I highly recommend them for your insulation needs! They are very professional and provided assurance while explaining the details of what they would be doing and the benefits it would bring to things like our comfort, lower utility bills, and life of our roof. Their work comes with a lifetime warranty and you can’t beat that! Thanks Koala team!
Appelton
Owner
From start to finish the whole job was done professionally and courteously. They did an excellent job and I am so very satisfied with their work. I would recommend them to anyone who needs insulation."
Appelton
Owner
They did a fantastic job in and out, cleaned everything up, have all the latest equipment and will explain the best product for you. I would definitely recommend them for your insulation needs.
Van Dyne
Owner
"I had a field technician come to my home for an estimate. He was very knowledgeable, patient, and kind. Answered all of my questions very thoroughly, highly recommend.""
Oshkosh
Owner
"From start to finish the communication, attention to detail and customer service was unmatched! Highly recommend for all your insulation needs!"
Green Bay
Owner
"Great communication and customer service! Will highly recommend to everyone I know!"
Appleton
Owner
"These guys went over the top with their services to help me figure out and get done what I needed. Nice hard-working crew. They have a new repeated customer here in the Fox Valley."
Oshkosh
Owner
"Great quality service, highly recommend"
Oshkosh
Owner
"Holden was very polite and knowledgeable during our inspection. Highly recommend their team!"
Oshkosh
Owner
Great service and knowledge. Thank you.....
Van Dyne
Owner
Inspection took less time than anticipated and prices are very reasonable. I would definitely recommend this company!! Thank you again
Van Dyne
Home Owner
Thank you for your detailed service. Great job.
Fond Du Lac
Home Owner
Koala Insulation of Fox Valley did a great professional job. The whole experience from the start with the quote to the finish product was handled with a kind, friendly professional representative and it made the experience stress free and smooth. I would recommend them."
Oshkosh, WI
We Provide Insulation Services to the Following Fox Valley Areas
ALLENTON, BROWNSVILLE, CAMPBELLSPORT, EDEN, KEWASKUM, LOMIRA, MALONE, MAYVILLE, MOUNT CALVARY, OAKFIELD, SAINT CLOUD, WEST BEND, THERESA, OSHKOSH, ELDORADO, FOND DU LAC, VAN DYNE, WINNEBAGO, COMBINED LOCKS, KAUKAUNA, KIMBERLY, LITTLE CHUTE, SHERWOOD, WRIGHTSTOWN, APPLETON, MENASHA, NEENAH, DE PERE, ONEIDA, SUAMICO, GREEN BAY
Counties Served
WASHINGTON, DODGE, FOND DU LAC, WINNEBAGO, OUTAGAMIE, CALUMET, BROWN
Zip Code
53002, 53006, 53010, 53019, 53040, 53048, 53049, 53050, 53057, 53065, 53079, 53090, 53091, 54901, 54902, 54904, 54932, 54935, 54937, 54979, 54985, 54113, 54130, 54136, 54140, 54169, 54180, 54911, 54914, 54915, 54952, 54956, 54115, 54155, 54173, 54301, 54302, 54303, 54304, 54313
