How do I add insulation to existing walls?

• <div><p>If you need to insulate behind finished walls, the best option will likely be to have an insulation professional install <a href="https://www.angi.com/articles/blown-in-insulation.htm">blown-in insulation</a>. The installation requires small holes cut in your wall, after which the installer can blow loose-fill insulation into the void. After the installation, you’ll have minor drywall patching, which shouldn’t cost more than <b>$100</b>. Compared to ripping down the existing drywall, using a different type of insulation, and replacing and finishing the drywall, this should save you hundreds or even thousands, depending on the size of the room you’re insulating.</p></div>

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Q: How long does duct insulation last and when should it be replaced?

• <div><p>Air duct insulation typically lasts for 10 to 15 years or even longer, depending on the material and maintenance. It's important to conduct periodic inspections to check for signs of deterioration, such as water damage, tears, or general wear. If you find any of these issues, it may be time for repairs or a full replacement. You might also consider upgrading your insulation even if it's in good shape to improve your home's energy efficiency and enhance your HVAC system's performance with newer, more effective materials.</p></div>

Q: Does an attic floor need a vapor barrier?

• <div><p>Vapor barriers in attics are a bit outdated and most areas no longer recommend them for attic spaces. For vented attics, the best method is usually to install drywall and cover it with latex paint before attaching insulation fiberglass, cellulose, or foam insulation. When renovating an attic to use as a living space, a contractor can guide you on the best way to cover insulation.</p></div>

Q: What maintenance is suggested for attic insulation?

• <div><p>Periodic checks for moisture or pest issues ensure consistent performance.</p></div>

Q: How much difference does a radiant barrier make?

• <div><p>According to a report from <a href="https://www.energy.gov/energysaver/radiant-barriers#:~:text=Some%20studies%20show%20that%20radiant,to%20add%20a%20radiant%20barrier.">Energy.gov</a>, radiant barrier installations can save between 5% and 10% on your energy bill each month that your HVAC cooling is in operation. That fact can mean savings of up to more than $325 per year for homes that experience frequent direct sunlight and high summer temperatures. </p></div>

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Verified Reviews for Doorbell Installation pros in Lansing, IA

*The Angi rating for Doorbell Installation companies in Lansing, IA 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 Lansing, IA 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 June 11, 2026

Reviewed in June 2026
We had 9 windows replaced. Windows are great. Our installers: Kyanne & Greg did an excellent job of installing and clean up. I would recommend Mad City Windows. Windows are well constructed and look beautiful.
Mad City Windows & Baths
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Reviewed in June 2024
Mark and Dave were extremely professional. Service was prompt. They took care in the task at hand, and cleaned up all the leaves and branches. I would highly recommend them.
Stockyard Tree Service LLC
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Reviewed in August 2022
We are a property management company located in GA. We have been using Jay’s services for a couple of years now. He is always on schedule, very professional and provides quality service to all the properties we have.
Jay's Tree Service
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Reviewed in July 2022
The service was quick and efficient and my windows are sparkling clean.
S&S Pro Wash
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Reviewed in March 2022
Jeremy did a great job helping us remove some remodeling waste.
Hirths Junk Removal & Hauling
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Reviewed in January 2022
He did some quality work for me and I would definitely recommend him to anyone!
Apex Specialties
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Reviewed in December 2021
Got the doors installed, but they never came back to put the trim on. have text them numerus times and now they don't even respond.
Doors-R-Us
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Reviewed in July 2021
Kurt of KJM is very kind and professional. He was the first plumbing service to contact us within minutes of our request. He gave us a very reasonable quote and installed our hot water heater 2 days after placing the order. He was exceptionally clean-he left my home as orderly as he found it. ...
KJM Plumbing
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Reviewed in February 2017
I had Steve from Clear Choice install 2 new windows and insulate the walls of the older home I moved into last fall.
Clear Choice Energy Solutions
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Reviewed in January 2017
Dale at Casper's provided us with great ideas and had a trane furnace installed.
Casper Plumbing & Heating
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Doorbell Installation questions, answered by experts

Air duct insulation typically lasts for 10 to 15 years or even longer, depending on the material and maintenance. It's important to conduct periodic inspections to check for signs of deterioration, such as water damage, tears, or general wear. If you find any of these issues, it may be time for repairs or a full replacement. You might also consider upgrading your insulation even if it's in good shape to improve your home's energy efficiency and enhance your HVAC system's performance with newer, more effective materials.

If you need to insulate behind finished walls, the best option will likely be to have an insulation professional install blown-in insulation. The installation requires small holes cut in your wall, after which the installer can blow loose-fill insulation into the void. After the installation, you’ll have minor drywall patching, which shouldn’t cost more than $100. Compared to ripping down the existing drywall, using a different type of insulation, and replacing and finishing the drywall, this should save you hundreds or even thousands, depending on the size of the room you’re insulating.

Vapor barriers in attics are a bit outdated and most areas no longer recommend them for attic spaces. For vented attics, the best method is usually to install drywall and cover it with latex paint before attaching insulation fiberglass, cellulose, or foam insulation. When renovating an attic to use as a living space, a contractor can guide you on the best way to cover insulation.

Periodic checks for moisture or pest issues ensure consistent performance.

According to a report from Energy.gov, radiant barrier installations can save between 5% and 10% on your energy bill each month that your HVAC cooling is in operation. That fact can mean savings of up to more than $325 per year for homes that experience frequent direct sunlight and high summer temperatures.

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