What are the four common types of insulation?

• <div><p>While there are many different kinds of insulation, spray foam, blown-in, foam board, and batt and roll are the four types you’re most likely to see. That doesn’t mean they’re alike, though. Each one varies drastically in terms of cost, materials used, and how they’re installed—not to mention, how well they limit heat transfer.</p></div>

Does ductwork need to be insulated?

• <div><p>Insulating your ducts offers several benefits, including:</p><ul><li><p>Improved energy efficiency: Duct insulation prevents energy losses, reducing heating and cooling costs.</p></li><li><p>Cost savings: Lower energy bills make insulation a cost-effective investment.</p></li><li><p>Environmental benefits: Enhanced efficiency reduces your carbon footprint.</p></li><li><p>Consistent comfort: Insulated ducts help maintain a stable indoor temperature.</p></li><li><p>Better indoor air quality: Reduced allergens and pollutants improve air quality.</p></li></ul><p></p></div>

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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Last update on June 26, 2026

Reviewed in June 2026
They installed my bathroom and shower tile in just a few days. They were fast and clean. 10/10!
Xterra
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Reviewed in January 2026
I am very pleased with the home improvement projects completed by DH Home Improvements. I had so many outstanding smaller tasks that were completed with excellence (i.e. installing doorknobs, doorbells, a back door, security cameras). Derek and his team completed the work in a respectable amount...
DM Home Improvement LLC
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Reviewed in May 2025
The work done by Ivan Vasquez was very professional. The project was completed in a very timely matter. He has also installed new windows in my house and they are great. I recommend Ivan Vasquez to complete any all home projects. Excellent quality and work.
V & H Home Improvements
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Reviewed in February 2025
Easy to work with they installed 2 windows and a bathroom remodel and patched up two drywall holes
LH Construction & Remodeling
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Reviewed in July 2024
The installers who came, Dennis B and Dennis J, were on time for appointment, conscientious of creating a minimal mess as possible and cleaned everything up after install. They were professional, friendly and meticulous with the install.
West Shore Home Charlotte
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Reviewed in March 2024
Did a whole house floor installation, finished in timely manner and very professional. Definitely left my space looking very luxurious!
Espa Tile Company llc
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Reviewed in May 2023
The install crew was very knowledgeable and professional. Blake C. And Blake B. quickly realized we had an issue with the project and consulted with their team and advised our options. This was after several previous engineer inspections but the issue that caused the stop was underground. ...
Groundworks
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Reviewed in December 2021
Was prompt to the job , cleared trees and land for a fence install .. Got the job done ! Thanks Scott
Silver Tree
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Reviewed in September 2021
Installed a new chain link fence in my backyard. Great experience overall - professional quality service, nice employees, great installation.
Norton Pro Fencing
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Reviewed in September 2021
Excellent. Pricing was fair. Service was excellent. Everyone went above and beyond to change out the old system, install a new system, and get the house cooled down quickly. Will use again.
WIMPY'S REFRIGERATION HTG AC
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Doorbell Installation questions, answered by experts

While there are many different kinds of insulation, spray foam, blown-in, foam board, and batt and roll are the four types you’re most likely to see. That doesn’t mean they’re alike, though. Each one varies drastically in terms of cost, materials used, and how they’re installed—not to mention, how well they limit heat transfer.

The cost to install or upgrade insulation generally ranges from $1.50 to $4.00 per square foot. The final price depends on factors such as the type of insulation chosen, the total area to be covered (home size), and local labor costs.

Yes, professionals install and upgrade insulation for all home or business areas.

Insulating your ducts offers several benefits, including:

Improved energy efficiency: Duct insulation prevents energy losses, reducing heating and cooling costs.
Cost savings: Lower energy bills make insulation a cost-effective investment.
Environmental benefits: Enhanced efficiency reduces your carbon footprint.
Consistent comfort: Insulated ducts help maintain a stable indoor temperature.
Better indoor air quality: Reduced allergens and pollutants improve air quality.

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.

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