Do insulation companies need to be licensed?

• <div><p>In some areas, insulation companies require a special license, while some states only require them to hold general contractor licenses. Some municipalities may not mandate any license, although you should always ensure a contractor is fully insured. You can use Angi’s <a href="https://www.angi.com/angi-license-check.htm">license lookup tool</a> to confirm whether or not an insulation contractor you’re considering holds the necessary license for your area. You can also contact the company for information regarding licenses, certifications, and insurance.</p></div>

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TRUSTED BY BERLIN, WI HOMEOWNERS

4.3
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56
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Verified Reviews for Doorbell Installation pros in Berlin, WI

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

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

Last update on April 17, 2026

Reviewed in April 2026
We were extremely pleased with the work done by Two Guys Remodeling. They were able to start the project within our time needs. The flooring they installed looks perfect and we are looking forward to many years with the beautiful job as it was done.
Just Two Guys Remodeling LLC
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Reviewed in July 2024
Went very easy, polite and job well done. Called for estimate and was received same day and gutters installed 2 days latter.
RJC Seamless Gutters
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Reviewed in August 2023
Mad city was extremely efficient. They were always on time. The window were just as advertised and the installation was quick and thorough.
Mad City Windows & Baths
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Reviewed in January 2023
Selecting someone to install a fence is not easy. You talk to neighbors, search the internet and call several companies for an estimate. Some companies don't show up for their appointments; some show up but don't call you back; some install your new fence but do it poorly, including not...
Fence Works
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Reviewed in August 2022
It's easy to give a great review to someone and their company when every thing goes smooth and everything works right off the bat. But what really separates the good from the great is how they handle things when they go wrong. Iâ m here to say that Brian, and Guard Dog Surveillance Systems...
Guard Dog Surveillance Systems
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Reviewed in May 2022
Nathan, was knowledgeable and brought just the door lock sets we wanted,. He installed them, explained their operation and removed the old locks. We are very glad that he was available to help us make the decision as to type of lock and then install them. Thsnks!
ALocksmith LLC
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Reviewed in May 2022
Excellent service came on time high quality product installed professionally and works great love it
Longwire Tech Services
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Reviewed in January 2022
I dreaded having new windows installed but this great experience made me wonder why I ever hesitated. Marshall did an excellent job explaining and demonstrating the window's features and answering my questions. Mike and Curt did a beautiful job installing the windows and in much less time than I...
Windows of Wisconsin Inc
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Reviewed in June 2021
Buying experience for our Sliding glass patio door was easy, and fairly priced. Install crew was exceptional!!!
Expert Window & Door
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Reviewed in June 2021
Sliding patio doors installed. Quality product, quality installation, and competitive price. Would recommend.
Alufab USA, Inc.
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Doorbell Installation questions, answered by experts

In some areas, insulation companies require a special license, while some states only require them to hold general contractor licenses. Some municipalities may not mandate any license, although you should always ensure a contractor is fully insured. You can use Angi’s license lookup tool to confirm whether or not an insulation contractor you’re considering holds the necessary license for your area. You can also contact the company for information regarding licenses, certifications, and insurance.

Through R-value assessments based on climate and existing insulation.

Periodic checks for moisture or pest issues ensure consistent performance.

They recommend sustainable materials and water-saving fixtures, tailoring choices to balance sustainability and style.

Insulation is professionally installed by measuring spaces, cutting materials to fit correctly, and placing them without gaps for optimal thermal resistance.

The Berlin, WI homeowners’ guide to doorbell installation services

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

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