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4.3

(91 reviews)

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Avatar for Best Insulation
Best Insulation
5.0(
22
)

Serving Dane, WI and surrounding areas

Approved

In business since 2023

Free estimates

Credit card accepted

"Owners did the estimate, were on site for the insulation install...what more can be said about customer service! They were 5+. Now I must tell you about the job...it was difficult adding insulation to the underside of floor boards in our crawl space. Other insulators said it couldn't be done. Kelly took her flashlight, measuring tape and looked really hard and said "We can do this!" What a "can do attitude" and they accomplished it. I will definitely use them again and so should you!"
16 foot foam trailer
150 foot heated foam hose
Inside of foam trailer
Truck holding additional foam barrels
Graco A-25 machine

+22

Response time4 hrs
6 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Elite Insulators
Elite Insulators
4.8(
21
)

Serving Dane, 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!!"
Cathedral Ceilings
Ceiling/Wall
Walls
Amish Ice Box
Amish Ice Box

+56

Response time2 days
Recommended by57%of homeowners
Avatar for Koala Insulation of Madison
Koala Insulation of Madison
5.0(
7
)

Serving Dane, WI and surrounding areas

Approved

In business since 2025

Free estimates

Emergency services offered

At Koala Insulation of Madison, we’re all about making your space more comfortable and efficient. We believe in doing things right, with a personal touch that sets us apart. From top-notch products like spray foam insulation to friendly service, we’re here to help you achieve the perfect insulation solution for your home or business.\n\nDiscover why our customers love working with us and how we can make a difference for you!\nGet a Free Estimate\n

Waunakee Attic
Prep work
Response time1 day
20 neighbors recently requested a quote
Avatar for Max Insulation, LLC
Max Insulation, LLC
5.0(
1
)

Serving Dane, WI and surrounding areas

Approved

In business since 2025

Free estimates

Small jobs welcome

Max Insulation, 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.\n\n\nAt Max Insulation, LLC, we pride our company on reliability, great communication, integrity, and quality work. We strongly believe in giving our absolute best in all the work we perform. We are experts, and will always keep you educated about the work process. We look forward to earning your business!\n

 bodega  de R19
 bodega  de R19
 bodega  de R19
5 neighbors recently requested a quote
Avatar for Larson Home Services
Larson Home Services
5.0(
4
)

Serving Dane, 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
11 neighbors recently requested a quote
Recommended by75%of homeowners
RetroFoam of Wisconsin Inc.
New to Angi

Serving Dane, 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.

12 neighbors recently requested a quote
Avatar for WiscoFoam
WiscoFoam
New to Angi

Serving Dane, 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!

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Insulation questions, answered by experts

Garden blankets and frost cloths are the best things to use to protect trees and plants from frost. They are made from polypropylene fabric, which is lightweight, breathable, and dries fast. If you can’t get garden blankets or frost cloths before the freeze, you should use lightweight blankets, sheets, or towels.

Yes, you should insulate behind shower walls. Insulating helps prevent heat loss, which keeps the shower or tub from getting too cold and helps maintain a comfortable temperature in your bathroom. Additionally, proper insulation and air sealing can help prevent wall rot and moisture buildup. It is recommended to use a high R-value rated foam insulation combined with a vapor barrier.

A dehumidifier can reduce condensation on your ductwork by lowering humidity levels in the air. Condensation occurs when humid, warm air makes contact with cold ducts. A dehumidifier can help maintain your home's indoor humidity below or around 50%, minimizing moisture buildup. However, if condensation is caused by leaks, cracks, or other damage, a dehumidifier won’t solve the problem. 

Because of the moisture concern, open-cell foam requires a vapor barrier. The barrier protects against high humidity and moisture exposure in rooms such as basements, bathrooms, or exterior walls. It wouldn't be necessary in dry interior spaces.

A vapor barrier keeps moisture out of the crawl space, while insulation reduces the amount of unconditioned air—and sometimes moisture—that enters the space. Coupling a vapor barrier with insulation can help prevent humidity and related moisture damage in a crawl space while also making your home more energy-efficient. Just be sure to use insulation that won’t get damaged from moisture, like rigid foam board or expanding spray foam insulation.

The Dane, WI homeowners’ guide to insulation services

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