© 2018 by Airtight Insulation Proudly created by L'Aura Designs


When insulating your home, you can choose from many types of insulation. To choose the best type of insulation, you should first determine the following:

  • Where you want or need to install/add insulation

  • The recommended R-values for areas you want to insulate

  • The type of insulation best suited to your application

  • What spaces should be sealed before insulating

As a BPI Certified Leader and Analyst, you can count on Airtight Insulation in Madison, Wisconsin, for your upcoming insulation project. We value our customers, so we’ll work hard to meet your particular demands and requirements. Our crew members are experienced, qualified, and fully licensed and insured. With that in mind, you can rest assured knowing that your insulation will be properly installed in a timely, cost-effective fashion.

Why Choose Us?

  • Trade Ally with Focus on Energy

  • Excellent Customer Service

  • Quick Response

  • Friendly, Professional Staff

  • Family Owned & Operated

  • Fully Licensed & Insured

  • Flexible Appointment Availability

  • BPI Certified Leader & Analyst

BPI Certified Leader and Analyst

Call us now 608-712-3147 for a price estimation

Our Customers Say It Best...

As an independent energy auditor I inspect the work of several installation companies to ensure they meet the quality standards of the Focus on Energy program. Airtight Insulation does very consistent work and charges a very fair and competitive price. I feel good about recommending this company to my clients.

- Emily Millar

10/26/18 Jim H. in Milwaukee, WI

Project: Install Spray Foam Insulation

They are very diligent and responsive. The project was very large and they worked hard at getting it complete on time and did a very nice job at cleaning up. Hardworking crew and took pride in their work. This was one of their largest jobs and did a nice job at following through and tiding up all the loose ends. If your are looking for a hard working crew that care about the job they do, I would definitely recommend this company for your spray foam insulation needs. You will not get a more fair price and hard working crew. Two thumbs up from me.


Denise M. in Deforest, WI

Project: Install/Upgrade Blown-In Insulation

Very efficient, knowledgeable and wanting to make their new customer happy!


Carl L. in Baraboo, WI

Project: Install/Upgrade Blown-In Insulation

I could not have asked for anything to be better. They were on time got the job done, cleaned up after themselves. I'm Happy.


Gregory D. in Madison, WI

Project: Install/Blown-In Insulation

I have a three season room that I wanted insulated. Got a call and they were able to come out the next day. Very reasonable pricing and they do a good job. An added bonus for supporting military. Down to earth hard working guys, will recommend to friends.