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>

Can I use fiberglass insulation to soundproof a room?

• <div><p>We do not recommend fiberglass insulation for soundproofing purposes, especially if you are working on a room that’s part of your living space. <a href="https://www.angi.com/articles/diy-dangers-fiberglass-insulation-hazards.htm">Fiberglass insulation is dangerous</a>, and the installation process is hazardous. It is also harmful to the environment. When there are so many newer, healthier non-fiberglass alternatives in the market, the lower cost of fiberglass insulation simply doesn’t justify the harm and danger it poses.</p></div>

Can I install a radiant barrier myself?

• <div><p>It is possible to install a radiant barrier yourself. However, knowing <a href="https://www.angi.com/articles/how-install-radiant-barrier.htm">how to install a radiant barrier</a> and actually doing it are two totally different things. For example, it’s important that they be installed in a straight line but at an angle that creates a gap between the roof panels and the foil or spray. If this gap is too large or small, it won’t function as it should, and that may be hard to avoid if you’re only a novice. When in doubt, leave this job to a pro.</p></div>

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TRUSTED BY EXETER, PA HOMEOWNERS

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Verified Reviews for Doorbell Installation pros in Exeter, PA

*The Angi rating for Doorbell Installation companies in Exeter, PA 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 Exeter, PA 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 February 18, 2026

Reviewed in February 2026
Great service. Showed up quickly. Found the problem. Ordered the part and installed. Very polite and considerate
PT Mechanical, LLC
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Reviewed in July 2024
Well done job. The bathroom got done. A much needed upgrade. They installed a new shower door that turned out great! They also got rid of leaks I had in the bathroom.
Home B Jam Construction LLC
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Reviewed in July 2024
Very satisfied from sales call to install. This will save us money. The sales team was knowledgeable but never pushy and the install was easy and efficient.
Public Service Solar
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Reviewed in April 2024
was a split mini unit (3) ac install. were very professional and communicated well, kept me informed throughout the process. on completion, cleaned up leaving nothing for me to do. would definitely rehire. all and all experience was uneventful and pleasant.
Keystone Home & Lighting LLC
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Reviewed in December 2023
Khan Electrical installed 3 outlets and 3 switches for me in a professional and timely manner.
Khan Electrical
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Reviewed in September 2023
They did an amazing job installing 4 windows and we will recomend them to others
Green Eco Solutions
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Reviewed in October 2022
The installer was pretty quick, knowledgeable and took care of the property, everything was neat throughout the installation, great job
H Construction Company
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Reviewed in April 2022
Leonard is very nice and professional man. He installed 3 doors for me in a reasonable amount of time and for a reasonable fee. I was very happy with the finished product.
Leonard Trotta General Contractor
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Reviewed in April 2022
Mark called and came over to look at the job. He explained how difficult it would be to install fencing around my back porch. This was an add on porch from years back and he had to crawl under it to add Wood to attach the fence. Mark gave me a great price. Since it was Easter weekend he came...
Mark McDermott Construction
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Reviewed in March 2022
They came out to install an outlet for our new electric car, so timing was everything. He came out, figured out what needed to be done, ran out for what he needed and installed the same day. Cameron was very personable and knowledgeable - he did a fantastic job and I'd have him back for any...
Thomas Edison Electric Inc
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Doorbell Installation questions, answered by experts

Fiberglass is the best insulation for HVAC ducting because it's inexpensive, widely available, versatile, and long-lasting. Fiberglass also offers acoustic insulation in addition to thermal insulation, which can contribute to a more peaceful home environment. You can use other materials like mineral wool, but fiberglass is the industry standard.

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.

Depending on where you live and the conditions of your basement, you may not need to insulate your basement. Your best bet is to talk to a basement remodeling company to find out what they recommend doing.

Insulating your basement can help improve your home's energy efficiency, but it will also increase the cost of your basement remodel project. The average cost of installing basement insulation is $2,400.

We do not recommend fiberglass insulation for soundproofing purposes, especially if you are working on a room that’s part of your living space. Fiberglass insulation is dangerous, and the installation process is hazardous. It is also harmful to the environment. When there are so many newer, healthier non-fiberglass alternatives in the market, the lower cost of fiberglass insulation simply doesn’t justify the harm and danger it poses.

It is possible to install a radiant barrier yourself. However, knowing how to install a radiant barrier and actually doing it are two totally different things. For example, it’s important that they be installed in a straight line but at an angle that creates a gap between the roof panels and the foil or spray. If this gap is too large or small, it won’t function as it should, and that may be hard to avoid if you’re only a novice. When in doubt, leave this job to a pro.

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