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TRUSTED BY HARRISONVILLE, MO HOMEOWNERS

  • Average homeowner rating star icon4.6
    Average homeowner rating
  • Verified reviews icon72
    Verified insulation services reviews

Find Insulation pros in Harrisonville

Avatar for A+ Insulation
A+ Insulation
4.7(
408
)

Serving Harrisonville, MO and surrounding areas

Approved

In business since 2004

Free estimates

Warranties offered

"Alex and Kristoff did a great job. They called letting us know they would be at our house within 20-30 minutes and were punctual. They were very friendly, professional, and informative. We would recommend them to anyone needing insulation."
Blowing Insulation
After Installation
Clean & Efficient Install
Flash & Blow
Our Fleet

+2

Response time7 hrs
10 neighbors recently requested a quote
Recommended by93%of homeowners
Avatar for Green Improvement Consulting
Green Improvement Consulting
4.9(
83
)

Serving Harrisonville, MO and surrounding areas

Approved

In business since 2010

Free estimates

Warranties offered

"Shawn provided lots of information during the visit for an estimate. The day of work they arrived on time and were diligent about accomplishing adding insulation to my attic. Their clean up was thorough. They were courteous and pleasant."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+11

Response time2 days
14 neighbors recently requested a quote
Recommended by97%of homeowners
Avatar for Insulation Pros, LLC
Insulation Pros, LLC
4.8(
170
)

Serving Harrisonville, MO and surrounding areas

Approved

In business since 2013

Free estimates

Warranties offered

"Re-insulated the entire house after a fire. They did an absolutely fantastic job! Excellent communication, pricing, professionalism, and promptness. You want to hire Insulation Pros if you want the best job possible."
Residential New Construction Insulation
Vaulted Ceiling
Exterior Wall
Vaulted Ceiling with Baffles
Insulation Pros Team

+17

Response time2 days
82 neighbors recently requested a quote
Recommended by94%of homeowners
Avatar for Green Star Energy
Green Star Energy
4.8(
242
)

Serving Harrisonville, MO and surrounding areas

Approved

Super Service Award Winner

In business since 2011

Free estimates

Warranties offered

"We had 1 inch of insulation in our attic. Hired the fellas at Green Star Energy to blow in insulation throughout the whole attic. I felt a difference immediately once the project had been completed. Our ac is getting a much needed break."
Larson Project
Larson Project
Before
Reflective insulation - After
Solar attic ventilating Fan

+12

Response time2 days
44 neighbors recently requested a quote
Recommended by93%of homeowners
Avatar for Insulation Commandos of Kansas City
Insulation Commandos of Kansas City
4.6(
10
)

Serving Harrisonville, MO and surrounding areas

Approved

In business since 2024

Free estimates

Warranties offered

Having the appropriate insulation is the first step in your battle plan to keep your space as warm, cozy, and energy-efficient as possible. With so many different types of insulation materials on the market, finding the right fit for your needs is critical. That's where Insulation Commandos can help! Our mission is to provide top-notch insulation services across the country.\n\n

Insulating New Addition
Insulating New Addition
Response time7 hrs
Response rate99%
22 neighbors recently requested a quote
Avatar for Irons in the Fire Spray Foam
Irons in the Fire Spray Foam
5.0(
5
)

Serving Harrisonville, MO and surrounding areas

Approved

In business since 2025

Free estimates

Emergency services offered

"Had a garage & shed insulated. Service was very professional & completed on time. The price for the service was outstanding, and I would recommend Shad & his crew to anyone. 5 out of 5 stars!"
Irons in the Fire
Irons in the Fire
Irons in the Fire
Irons in the Fire
Irons in the Fire

+7

Response time11 hrs
6 neighbors recently requested a quote
Avatar for Good Attic, LLC
Good Attic, LLC
5.0(
5
)

Serving Harrisonville, MO and surrounding areas

Approved

In business since 2021

Free estimates

Credit card accepted

Good Attic is a trusted attic insulation and home comfort company serving homeowners throughout St. Charles and the greater St. Louis area. We specialize in blown-in insulation upgrades, air sealing, attic cleanouts, and ventilation improvements that solve hot/cold rooms, drafts, high energy bills, and poor airflow. Our team provides honest pricing, same-week appointments, and detailed before-and-after photos so you always know exactly what you’re getting. If you want a cleaner, more comfortable, and more energy-efficient home, Good Attic delivers results you can feel immediately.

Response time2 days
119 neighbors recently requested a quote
Avatar for Attic Armor Pros, LLC
Attic Armor Pros, LLC
3.0(
4
)

Serving Harrisonville, MO and surrounding areas

Approved

In business since 2013

Free estimates

Emergency services offered

"I had this insulation installed august 2013. i have a large house (5 kids). It has averaged 35% savings. In my case this was many thousands.Wish i would have done this a long time ago. Staff was very proffesional and knowlageable. Dr. Rustici"
Attic Armor Floor install
Attic Armor Floor install
Response time5 hrs
Recommended by66%of homeowners
Avatar for EZ Seal Spray Foam LLC
EZ Seal Spray Foam LLC
New to Angi

Serving Harrisonville, MO and surrounding areas

Approved

Free estimates

Offers commercial services

We are a locally owned and operated spray foam insulation business committed to providing exceptional service, quality workmanship, and honest communication on every project we undertake. Our experienced team takes pride in delivering customized solutions tailored specifically to meet each client's unique needs. We value integrity and reliability, ensuring every job is completed to your satisfaction. Our goal is to build lasting relationships with our customers through consistency, professionalism, and outstanding results. Let us show you why homeowners continually choose us as their trusted insulation contractor.\n

Gallery
Hobby house
Hobby house
Hobby house
Hobby house

+4

8 neighbors recently requested a quote
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Insulation questions, answered by experts

Schedule your insulation service during the spring or fall when opening windows is comfortable in MO. If your project involves spray foam, vacate the home for 24 to 48 hours to prevent off-gassing exposure. Keep children and pets completely out of work zones to avoid respiratory irritation from airborne fiberglass dust. After the job finishes, replace your HVAC filters immediately to remove any lingering debris from your air.

Helpful?

Upgrading your insulation service significantly impacts your HVAC system, as a tighter home alters heating and cooling loads. You must also test combustion appliances like older gas furnaces for backdrafting risks. In Harrisonville, covering active knob-and-tube wiring creates a severe fire hazard. Always secure proper building permits, as local inspectors will identify conflicts with your electrical, plumbing, or mechanical systems before work begins.

Helpful?

A standard attic blown-in insulation service takes one day to complete. More complex projects, like crawlspace encapsulation or spray foam applications, require one to three days, plus an additional 48 hours of curing time away from the home. In MO, unpredictable weather and peak season scheduling delays extend project timelines. Pre-existing moisture or pest issues also add several days of necessary remediation work beforehand.

Helpful?

You should combine your insulation service with complementary upgrades to maximize efficiency. Energy codes in Missouri dictate air sealing alongside insulation improvements. Pairing this work with a scheduled HVAC replacement ensures your new unit is properly sized for the improved building envelope. Address any crawlspace moisture problems before starting to prevent mold growth. Combining these projects also maximizes your eligibility for local utility rebate programs.

Helpful?

A major mistake during insulation service is ignoring existing moisture problems in basements, which traps water and causes mold. Homeowners in Harrisonville mistakenly block soffit vents with blown-in materials, destroying essential attic airflow. Failing to pull required permits or covering active legacy wiring creates severe safety hazards. Additionally, adding insufficient material depth leaves significant performance gaps during extreme winter and summer weather.

Helpful?

The Harrisonville, MO homeowners’ guide to insulation services

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