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Find Insulation pros in Smithville

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

Serving Smithville, 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
11 neighbors recently requested a quote
Recommended by93%of homeowners
Avatar for Green Improvement Consulting
Green Improvement Consulting
4.9(
83
)

Serving Smithville, 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
13 neighbors recently requested a quote
Recommended by97%of homeowners
Avatar for Insulation Pros, LLC
Insulation Pros, LLC
4.8(
170
)

Serving Smithville, MO and surrounding areas

Approved

In business since 2013

Free estimates

Warranties offered

"The Insulation Pros fellas were at my place today and did a quick great Job! They were very curtious and friendly and I would highly recommend them for anybody's insulation project!"
Residential New Construction Insulation
Vaulted Ceiling
Exterior Wall
Vaulted Ceiling with Baffles
Insulation Pros Team

+17

Response time2 days
74 neighbors recently requested a quote
Recommended by94%of homeowners
Avatar for Reliable Insulation
Reliable Insulation
5.0(
7
)

Serving Smithville, MO and surrounding areas

Approved

Super Service Award Winner

In business since 2020

Free estimates

Credit card accepted

"Very friendly and professional service. Explains and shows you what his inspection on your insulation and needs are and listens to you and answers your questions. Very reasonably priced with no pressures like other companies. I am going to have them do the insulation in my walls next year. In my opinion A+ service"
Response time5 days
10 neighbors recently requested a quote
Recommended by14%of homeowners
Avatar for Insulation Commandos of Kansas City
Insulation Commandos of Kansas City
4.6(
10
)

Serving Smithville, 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%
21 neighbors recently requested a quote
Avatar for Victory Insulation Company LLC
Victory Insulation Company LLC
5.0(
3
)

Serving Smithville, MO and surrounding areas

Approved

In business since 2025

Free estimates

Small jobs welcome

"My experience with Victory Insulation went extremely well. They installed blown fiberglass insulation in my attic. The installation crew was very helpful and easy to work with. Since the install, my family has already noticed our hvac running a lot less within the last few months. I highly recommend working with Victory."
Historical KC Home
Before we started you could see the ceiling joists. We made sure this insulation was up to EnergyStar recommendations, R49 (about 18" of blown fiberglass insulation).
Historical KC Home
Historical KC Home
This is how the attic insulation looked once we were almost done.

+5

6 neighbors recently requested a quote
Avatar for Evolution Sprayfoam, LLC
Evolution Sprayfoam, LLC
5.0(
6
)

Serving Smithville, MO and surrounding areas

Approved

In business since 2021

Free estimates

Credit card accepted

"John is very professional and self motivated. He shows up when he says he is gonna and does a very fine job of air sealing and insulating. Goes over and above. Highly recommend."
1
2
3
4
5

+66

Response time10 hrs
5 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Good Attic, LLC
Good Attic, LLC
5.0(
5
)

Serving Smithville, 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
134 neighbors recently requested a quote
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Showing 1-10 of 67

FAQs for insulation service projects in Smithville, MO

Old insulation should be removed when it shows damage, contamination, or heavy deterioration. If you notice water stains, rodent droppings, mold, or large gaps, plan on taking it out to protect your home’s energy performance and indoor air quality. Removing compromised material eliminates health hazards, cuts energy loss, and sets the stage for a safer, more efficient attic—all while keeping utility bills in check.

R-value measures how well insulation resists heat flow—the higher the number, the better it slows heat transfer. The right R-value keeps your home warmer in winter and cooler in summer, saving energy year-round. Match the rating to your climate zone and have a pro verify performance over time, because moisture or settling can lower R-value and cut efficiency.

Attic insulation can stay in place for 80 to 100 years, but its performance often drops after the first 15. As dust, moisture, or mold build up, the material loses R-value and allows heat to escape. Schedule periodic inspections so a pro can tell you when replacement makes sense—helping you keep energy bills down and indoor comfort up.

You can over-insulate an attic. Beyond the recommended R-value, extra layers don’t add efficiency and can trap moisture, leading to mold or reduced performance. A local insulation pro can measure current levels, confirm the right target for your climate, and advise on any adjustments so you avoid future energy or maintenance headaches.

Insulation can be damaged by mold, pests, water leaks, or accidental electrical contact. When the material is compromised, it loses R-value and can introduce health hazards. Removing and replacing affected sections restores efficiency, while routine inspections from a qualified pro help you catch problems early and keep your attic safe and energy-smart.

The Smithville, MO homeowners’ guide to insulation services

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

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