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  • Average homeowner rating star icon4.7
    Average homeowner rating
  • Verified reviews icon503
    Verified insulation services reviews

Top-Rated Insulation pros in Lewisville - Updated Nov 2026

Avatar for Insulation Commandos of Denton - Tarrant
Insulation Commandos of Denton - Tarrant
5.0(
14
)
Blown-In Insulation - Install or UpgradeBatt, Rolled or Reflective Insulation - Install or UpgradeInjection Insulation - Install

Serving Lewisville, TX and surrounding areas

Approved

In business since 2025

Free estimates

Warranties offered

Expert insulation contractor throughout Denton County, Tarrant County, and surrounding North Texas communities—specializing in attic insulation, blown-in insulation, insulation removal, air sealing, radiant barrier installation, attic ventilation improvements, attic sanitizing,, noise reduction and pest-damaged insulation, and energy efficiency upgrades delivering comfort and lower energy bills for homes and businesses. We use W-2 employees—not subcontractors—for guaranteed workmanship through our Iron-Clad Guarantee. Every free estimate includes thermal imaging to pinpoint your needs. Trusted for honest service and local expertise. Call now for a free in-person quote on attic insulation, removal, air sealing, radiant barrier, or upgrades.

Insulation Commandos
Insulation Commandos
Insulation Commandos
Insulation Commandos
Installation Views

+9

Response time9 hrs
Response rate100%
38 neighbors recently requested a quote
Avatar for Insulation Commandos of North Dallas
Insulation Commandos of North Dallas
4.8(
26
)
Blown-In Insulation - Install or UpgradeBatt, Rolled or Reflective Insulation - Install or UpgradeInjection Insulation - Install

Serving Lewisville, TX and surrounding areas

Approved

Super Service Award Winner

In business since 2024

Free estimates

Warranties offered

"Our home needed the attic insulation replaced, so I reached out to Insulation Commandos. Martha and her team were incredibly professional, honest and considerate. They are people with high integrity !! I highly recommend using this company for all your attic insulation needs. Many homes are under insulated and you need to give them a call."
Insulation Commandos
Insulation Commandos
Insulation Commandos
Insulation Commandos
Insulation Commandos

+12

Response time9 hrs
Response rate100%
17 neighbors recently requested a quote
Avatar for Koala Insulation of North Texas
Koala Insulation of North Texas
5.0(
8
)
Blown-In Insulation - Install or UpgradeSpray Foam Insulation - Install

Serving Lewisville, TX and surrounding areas

Approved

In business since 2021

Free estimates

Warranties offered

At Koala Insulation, we help homeowners improve comfort, lower energy bills, and breathe cleaner air. \n\nIf your home is too hot, too cold, or costing you too much to heat and cool, poor insulation is often the problem.\n\nWe specialize in attic insulation, spray foam, air sealing, and full insulation removal and replacement. \n\nEvery home is different, so we provide honest evaluations and customized solutions, no pressure, just what works.\n\nOur goal is simple: make your home more efficient, comfortable, and healthy.\n\nGet a free insulation evaluation today and start saving.

Before
After
Durring
After
After

+30

13 neighbors recently requested a quote
Avatar for NxT Level Insulation
NxT Level Insulation
5.0(
29
)
Blown-In Insulation - Install or UpgradeBatt, Rolled or Reflective Insulation - Install or Upgrade

Serving Lewisville, TX and surrounding areas

Approved

In business since 2018

Free estimates

Credit card accepted

"The team at NxT Level Insulation did an exceptional job with our attic insulation. Dillon was incredibly helpful in explaining the process and the crew he led was efficient and professional. We're noticing the difference already - the temperature is more consistent throughout the house, and our HVAC is running much better."
Response time10 hrs
Response rate97%
7 neighbors recently requested a quote
Fulkrum Operating Company, LLC
5.0(
32
)
Blown-In Insulation - Install or UpgradeBatt, Rolled or Reflective Insulation - Install or Upgrade

Serving Lewisville, TX and surrounding areas

Approved

In business since 2022

Free estimates

Small jobs welcome

"This September I had a home energy audit through Fulkrum Insulation. They said we needed some Ductwork changes and more insulation in the attic. Since having those solutions installed, my electric bill has been dramatically lower than ever before."
32 neighbors recently requested a quote
Recommended by65%of homeowners
Avatar for Attic Construction
Attic Construction
4.4(
86
)
Blown-In Insulation - Install or UpgradeBatt, Rolled or Reflective Insulation - Install or Upgrade

Serving Lewisville, TX and surrounding areas

Approved

In business since 2013

Free estimates

Credit card accepted

"Only reason I am giving 4 stars instead of 5 is because the team left a lot of insulation for us to clean up ourselves. Otherwise, the quote was fair, they got the job quickly and accept multiple payment methods, which was convenient."
Dirty attic
Clean attic
Insulated attic
Response time6 hrs
Response rate96%
26 neighbors recently requested a quote
Avatar for North TX Insulation
North TX Insulation
5.0(
7
)
Blown-In Insulation - Install or UpgradeBatt, Rolled or Reflective Insulation - Install or Upgrade

Serving Lewisville, TX and surrounding areas

Approved

In business since 2014

Free estimates

Emergency services offered

"It was great! Jorge & his partner were very prompt, courteous, and efficient. I don’t have a really large attic but 3 other big companies quoted over $4000 to install insulation in my attic. North Tx Insulation did 13 inches of new blown in insulation for $1000.00. They were neat & in and out within an hour. I would highly recommend them!"
Attic upgrade
Insulation blow
R38 blown in
Insulation blow
Attic blown in

+6

6 neighbors recently requested a quote
Recommended by28%of homeowners
Avatar for Efficient Home Solutions, Inc.
Efficient Home Solutions, Inc.
4.6(
77
)
Blown-In Insulation - Install or UpgradeBatt, Rolled or Reflective Insulation - Install or Upgrade

Serving Lewisville, TX and surrounding areas

Approved

In business since 2008

Free estimates

Emergency services offered

"David was friendly and gave a fair quote discussing challenges and solutions for our home and insulation job. He clearly discussed different options for insulating our home and prices for removal of the old batting and of old insulation and blowing in the new insulation. The work was scheduled efficiently and within our time frame. The insulation team that he used were prompt, polite, respectful of our home and easy to work with. They did the job in a tidy and efficient way. The whole process was relatively painless given the magnitude of the job. David and his office communicated well before and after the job. We are very pleased with the job completed by Efficient Home Solutions and would highly recommend them."
Response time3 hrs
Response rate99%
2 neighbors recently requested a quote
Avatar for RadiantGUARD-PRO
RadiantGUARD-PRO
4.4(
14
)
Batt, Rolled or Reflective Insulation - Install or UpgradeBlown-In Insulation - Install or Upgrade

Serving Lewisville, TX and surrounding areas

Approved

In business since 2006

Free estimates

Credit card accepted

As a nationally recognized subsidiary of RadiantGUARD®, we specialize in blown in insulation, radiant barrier, and attic ventilation installations. We take pride in commitment to the quality of work we produce, and the long-term relationships we build with our clients. We guarantee quality and complete satisfaction. We set ourselves apart from our competitors by offering the highest quality of work combined with experience, guaranteed. Call us today for a FREE attic evaluation and estimate!

Radiant Barrier and Attic Insulation in Plano TX
Cleaned and Ready for RadiantGUARD-PRO
Cooler Attic by At Least 30 Degrees!
Response time2 days
Recommended by91%of homeowners
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Showing 1-10 of 317
Insulation FAQs, answered by experts

Mineral wool wraps are the most affordable and effective insulation for crawl space ducts. They are easy to cut, last for a long time, and healthier for humans. Meanwhile, fiberglass wraps are cheaper but more hazardous and difficult to handle. If you do choose to use a fiberglass wrap, make sure you are wearing long sleeves and wear proper protective gear.

A DIY blown-in insulation project in a typical attic should take you no more than a week to complete. Experienced homeowners can blow an entire attic in one or two days.

The level of insulation is determined by both the material and the thickness of the door. Some garage door materials (such as wood) have natural insulating capabilities, while other materials (such as metal) do not. No matter the material, two-layer and three-layer garage doors have a higher R-value than single-layer garage doors, as insulation is fitted between the panels. 

You should not use spray foam insulation in several specific areas. Avoid applying it in spaces exposed to high temperatures, such as near electrical boxes or recessed lighting, unless the foam is specifically rated for such use. Applying foam near electrical boxes can damage the wiring, and using it too close to lightboxes or recessed lights creates a potential fire hazard. Additionally, do not use spray foam in areas prone to shifting or movement, as this can lead to cracks and gaps in the insulation. Finally, open-cell foam is unsuitable for use below ground or in areas exposed to moisture because it can absorb water, which compromises its insulating effectiveness.

Insulation can be easy to install, depending on the condition of your walls, but there are many safety considerations and potential challenges involved. For example, most types of insulation are made from materials that can cause irritation if inhaled or if they come into contact with your skin. Additionally, installing insulation incorrectly can actually make moisture issues in your home worse.

The Lewisville, TX homeowners’ guide to insulation services

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