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  • Average homeowner rating star icon4.7
    Average homeowner rating
  • Verified reviews icon578
    Verified insulation services reviews

Top-Rated Insulation pros in Southlake - Updated Nov 2026

Fulkrum Operating Company, LLC
5.0(
31
)
Blown-In Insulation - Install or UpgradeBatt, Rolled or Reflective Insulation - Install or Upgrade

Serving Southlake, 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."
36 neighbors recently requested a quote
Recommended by67%of homeowners
Avatar for Insulation Commandos of Denton - Tarrant
Insulation Commandos of Denton - Tarrant
5.0(
8
)
Blown-In Insulation - Install or UpgradeBatt, Rolled or Reflective Insulation - Install or UpgradeInjection Insulation - Install

Serving Southlake, TX and surrounding areas

Approved

In business since 2025

Free estimates

Warranties offered

Expert insulation contractor for Denton & Tarrant County—specializing in attic insulation, blown-in insulation, insulation removal, air sealing, radiant barrier installation, and energy efficiency upgrades. We tackle noise reduction and pest-damaged insulation, delivering comfort and lower energy bills for homes and businesses. Our team uses only 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

+3

Response time9 hrs
Response rate100%
47 neighbors recently requested a quote
Avatar for Attic Construction
Attic Construction
4.4(
86
)
Blown-In Insulation - Install or UpgradeBatt, Rolled or Reflective Insulation - Install or Upgrade

Serving Southlake, TX and surrounding areas

Approved

In business since 2013

Free estimates

Credit card accepted

"The upfront explanation and advice were very honest and the work done was superb. The work was planned to be done in one day which they did including all the cleanup. I will recommend them to anyone needed insulation work in the attic."
Dirty attic
Clean attic
Insulated attic
Response time6 hrs
Response rate96%
23 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 Southlake, 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
Avatar for Energy Attic
Energy Attic
4.3(
34
)
Blown-In Insulation - Install or UpgradeBatt, Rolled or Reflective Insulation - Install or Upgrade

Serving Southlake, TX and surrounding areas

Approved

In business since 2005

Free estimates

Credit card accepted

"The representative was very knowledgable about the scope of work. I called him for the replacement of the attic insulation due for rats. I had pest control guy tell me my attic insulation had to be replaced. The rep, Guy, told me that wasn't what I needed. He told me that replacement the attic insulation would not solve my rats. He gave me names of good pest controls. Guy said to contact them before spending thousands of dollars for rats in my attic. Thank you Guy."
Best Fiberglass installers in the world!
100 yr old house Foil and Fiberglass
Foil and Fiberglass
Tall Attic Foil and Fiberglass
Radiant Barrier and Fiberglass Insulation

+6

Response time2 days
8 neighbors recently requested a quote
Recommended by92%of homeowners
Avatar for Climate Doctors
Climate Doctors
4.8(
3,290
)
Blown-In Insulation - Install or Upgrade

Serving Southlake, TX and surrounding areas

Approved

Super Service Award Winner

In business since 2007

Free estimates

Credit card accepted

"I can't thank these guys enough! They gave us a great deal and went above and beyond what we had hired them to do. They are going to come back out and take care of a few other things that they can do besides insulation. I can't recommend them enough. They are very punctual, professional, and very friendly. Even our dogs approve of them! Even before they were finished, I already noticed a VERY big difference in the temperature in the house. Instead of the AC running all day and it being 6-10 warmer than I prefer, it stays at the temperature I want it. The AC runs 1/4 of the time instead of running all day."
Response time1 day
Response rate100%
10 neighbors recently requested a quote
Avatar for Leon Foam Pro LLC
Leon Foam Pro LLC
5.0(
7
)
Blown-In Insulation - Install or UpgradeSpray Foam Insulation - InstallBatt, Rolled or Reflective Insulation - Install or Upgrade

Serving Southlake, TX and surrounding areas

Approved

In business since 2025

Free estimates

Warranties offered

"I was referred to many Insulation companies through Angi, but after my home assessment, I decided to go with Leon Foam Pro. I spoke with Robert, the advisor and he was very friendly, professional, arrived in a timely manner and worked with me with my job schedule. He made sure I understood the process and also was very quick to answer any questions or concerns I had. He was very knowledgeable and experienced. They were the only company willing to work around my schedule for my project. After the assessment and estimates, the best option that fit my home efficiency needs and budget was the blown in fiberglass. I met Eric, owner in person along with his crew, Jose, Luis and Jesus on Saturday, the day of insulation. Eric was also friendly and professional and ensured I was comfortable with everything and reviewed the process, also sent me photos before and after the install. I also purchased the solar attic fan. They are the best all around. What you're waiting for, give them a call!"
Logo
Closed cell on metal shop
1 inch thick on store unit
Blow insulation on attic
Blow insulation on attic

+8

Response time5 hrs
Response rate100%
10 neighbors recently requested a quote
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Insulation FAQs, answered by experts

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.

Although spray foam insulation typically has a higher price point than traditional insulation, the benefits often justify the investment. It offers superior sealing properties, which can lead to significant energy bill savings. Spray foam also provides excellent moisture resistance and soundproofing. Other advantages include improved indoor air quality by minimizing allergens, a long lifespan of 80 to 100 years, added structural strength to the home, and a straightforward installation process.

Insulating windows with plastic works, but it can be time-consuming, and the end results can—and often do—end up lacking in aesthetics. Window film and caulking your windows to make sure there are no drafts are two options that increase the energy efficiency of your home in a low-cost way. Plastic can be a good strategy while you consider alternatives.

Yes, cold walls are a common indicator of poor or inadequate insulation, especially if the walls feel significantly colder than the air in the room. This suggests that heat from your furnace is escaping rather than being retained. The issue could be that the walls have no insulation, or that the existing insulation is old or has been damaged by water, moisture, or pests. Your best course of action is to hire a professional to investigate. An insulation contractor can determine if you need to add or replace insulation and can often perform the work without creating large holes in your drywall. If you suspect the problem might also be related to your heating system's performance, an HVAC technician can take a closer look.

On average, insulating an attic costs about $2,500, with a typical range of $1,500 to $3,500. The final price often depends on the attic's size, with costs generally falling between $1 to $3 per square foot. For example, insulating a 1,800-square-foot attic would likely cost between $1,800 and $5,400.

If the project involves removing old insulation, this can add an average of $900 to the total cost, bringing a full removal and reinsulation project to around $3,000.

Several factors influence the overall cost:

  • Insulation Type: Prices per square foot vary significantly by material.

  • Reflective: $0.50–$1.50

  • Blown-in: $1–$4

  • Batt: $2–$4

  • Loose-fill: $2–$5

  • Spray foam: $2–$5

  • Structural insulated panels (SIPs): $4–$7

  • Project Complexity: Factors like sealing air leaks, poor attic accessibility, and required inspections can add to the cost.

  • Removal Issues: The discovery of mold, asbestos, or pests during the removal of old insulation can substantially increase the price.

The Southlake, TX homeowners’ guide to insulation services

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