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  • Average homeowner rating star icon4.4
    Average homeowner rating
  • Verified reviews icon83
    Verified insulation services reviews

Top-Rated Insulation pros in Duncanville - Updated Nov 2026

Avatar for Milo Insulation of East Texas
Milo Insulation of East Texas
5.0(
80
)
Blown-In Insulation - Install or UpgradeBatt, Rolled or Reflective Insulation - Install or Upgrade

Serving Duncanville, TX and surrounding areas

Approved

In business since 2000

Free estimates

Warranties offered

"My wife and I were very pleased with the team that came out to install the MILO Insulation at our home. We found them to be very professional and courteous. They worked quickly and quietly to install the MILEX insulation and cleaned up after themselves. Overall it was a fine job. We would highly recommend MILO Insulation of Texas â Denton."
MILEX Transformation
MILEX Transformation
MILEX Transformation
MILEX Transformation
MILEX Transformation

+2

Response time2 days
8 neighbors recently requested a quote
Recommended by91%of homeowners
Fulkrum Operating Company, LLC
5.0(
32
)
Blown-In Insulation - Install or UpgradeBatt, Rolled or Reflective Insulation - Install or Upgrade

Serving Duncanville, TX and surrounding areas

Approved

In business since 2022

Free estimates

Small jobs welcome

"My son recently purchased an older home that had very little attic insulation. After Rob's team finished adding fiberglass insulation the A/C turned off almost immediately and the home remained at 74 degrees even though it was over 100 that day. I was very impressed and plan to have them come inspect my attic next !"
35 neighbors recently requested a quote
Recommended by65%of homeowners
Avatar for A Better Attic
A Better Attic
5.0(
8
)
Blown-In Insulation - Install or UpgradeInjection Insulation - Install

Serving Duncanville, TX and surrounding areas

Approved

In business since 2021

Free estimates

Credit card accepted

"Cleaned out the old ..sanitized the attic and added much needed insulation. Along the way pointed out several spots on the roof that need addressing outside the attic. Were friendly... efficient and respected my dwelling and my belongings...they absolutely are SKILLED craftsmen that know what they are doing and my puppies loved their visitors"
Before and After
Before and After
Before and After
Before and After
Before and After

+2

Response time1 day
Response rate97%
Recommended by100%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 Duncanville, 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%
25 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 Duncanville, 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 Energy Attic
Energy Attic
4.3(
34
)
Blown-In Insulation - Install or UpgradeBatt, Rolled or Reflective Insulation - Install or Upgrade

Serving Duncanville, TX and surrounding areas

Approved

In business since 2005

Free estimates

Credit card accepted

"They had a cancellation and moved my appointment up a day; that pleased me as we had a cold front blow in and temps were in mid-30's. Before they were finished I noticed my house was noticeably quieter. They worked for 1.5 hours and were finished with the cleanup. Since then I have been able to lower my thermostat 6 degrees and it's warmer than before. Thank you"
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
9 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 Duncanville, 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
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Showing 1-10 of 275
Insulation FAQs, answered by experts

Garage door insulation can last anywhere from 20 to 100 years depending on the type of insulation. Cellulose has the shortest lifespan coming in at between 20 and 30 years, while spray foam, mineral wool, and fiberglass can last between 80 and 100 years with proper maintenance. 

Humidity plays a role in how long more susceptible insulation materials—like fiberglass—last. Once fiberglass batts reach the 15-year mark, you'll need to routinely inspect your insulation to ensure that it is in mint order.

Closed-cell foam may come with a higher price tag, but it’s worth the investment because of its strength and durability. This material offers excellent thermal and moisture resistance, contributing to its long life span. Its construction enhances energy efficiency, which can lead to reduced heating and cooling costs over time.

You don’t need to staple insulation, as your drywall and studs will hold it into place. But if you already have a staple gun and staples lying around, it can help keep the product in place and avoid any shifting. But, most experts agree it’s an unnecessary step.

If you’re adding a vapor barrier, you will need to staple that in place.

Insulating ductwork improves your HVAC system's energy efficiency by protecting the air from external conditions and preventing energy loss as it travels through the ducts. This means your system doesn't have to work as hard to heat or cool your home, leading to lower energy bills and a reduced carbon footprint. Additionally, insulated ducts help maintain a more consistent and stable indoor temperature, enhancing comfort. Proper insulation also improves indoor air quality by reducing the entry of allergens and pollutants and helps prevent problems like condensation and mold formation within the ductwork.

Yes, you can install insulation over ductwork, and doing so can save you money. Without insulation, the HVAC unit must work harder to force warm or cool air around the home, and once the air reaches the vent, it may not be the correct temperature. Insulating HVAC ducts makes your system work more efficiently, saving you money on heating and cooling bills.

The Duncanville, TX homeowners’ guide to insulation services

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