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TRUSTED BY GREAT FALLS, VA HOMEOWNERS

  • Average homeowner rating star icon4.6
    Average homeowner rating
  • Verified reviews icon1.1k+
    Verified drywall insulation services reviews

Find Drywall insulation pros in Great Falls

Avatar for Prudent Homes
Prudent Homes
4.7(
238
)
Blown-In Insulation - Install or UpgradeInjection Insulation - InstallInsulation - Install or Upgrade

Serving Great Falls, VA and surrounding areas

Approved

In business since 2002

Free estimates

Warranties offered

"Prodent Homes did an excellent job with our attic remediation. They removed the old insulation, sanitized and re-insulated the entire attic. The owner David was easy to communicate. The crew lead Jose was very experienced and communicated well. The job was done professionally. We are happy with the results and will use them again if we have another insulation job."
33 neighbors recently requested a quote
Recommended by94%of homeowners
Avatar for USA Insulation of Fairfax County
USA Insulation of Fairfax County
5.0(
6
)
Blown-In Insulation - Install or UpgradeInjection Insulation - Install

Serving Great Falls, VA and surrounding areas

Approved

In business since 2025

Free estimates

Credit card accepted

USA Insulation of Fairfax County provides energy-efficient insulation solutions designed to make homes more comfortable and cost-effective year-round. As part of the trusted USA Insulation network, we specialize in premium injection foam insulation, attic insulation, air sealing, band joist and crawl space solutions. Our team helps homeowners reduce energy loss, lower utility bills, and improve indoor comfort with minimally invasive installation methods. We are committed to quality workmanship, honest recommendations, and outstanding customer service. From consultation to completion, USA Insulation of Fairfax County delivers reliable results that help protect your home and maximize energy savings.

Band Joist
Band Joist
Band Joist
Injection Foam
Injection Foam

+3

24 neighbors recently requested a quote
Avatar for Comfenergy, LLC
Comfenergy, LLC
4.6(
54
)
Blown-In Insulation - Install or UpgradeInjection Insulation - InstallInsulation - Install or Upgrade

Serving Great Falls, VA and surrounding areas

Approved

In business since 2011

Free estimates

Warranties offered

"Summary: The Comfy team did a great job b/c they know what they are doing however, they are not without faults. Work Completed: Full crawlspace escalation and turning a vented attic into an unvented attic by adding CC spray from on the roof deck. Time frame: July 13-17 2020 Results: We are only a month out from the work being completed, so the analysis is on-going but here are the numbers so far. My Aug electricity bill was down 26% in real dollars from July. That reduction is in spite of the fact that Aug had a 31% higher average Cooling Degree Days (base Temp 70F - [*** Link removed ***] In addition, the first week of my Aug billing cycle included this work. Again, this is very early on but that is a promising start. Other benefits include less variability in house temperature. Before I would see a temperature difference of 5 degrees Fahrenheit between my bottom and top floors. Now they are no more than 1.5 degrees apart (the thermostat is on the lowest level). This creates an overall more pleasant living environment. So while I’m looking at a return on investment that stretches out past 10 years, during that time it’ll be a more comfortable home to live in. Challenges: My only complaint is that there doesn’t seem to be a solid quality control program. To be fair, I have high standards of work quality. Especially when I’m paying for it. Comfy clearly understands the science and best practices. It’s always a challenge translating that over to the real world, which is messy. With that said I felt like I was the one that had to be pointing out the areas of poor workmanship. It sure would have been nice to feel like that quality control was being done for me. Now for the good news, Comfy is correcting all the issues I have pointed out (scheduled but not all completed). Bottom Line: Comfy has a talented team of people, who know the work. They will do a good job at a fair price. But don’t let the sleek marketing and science lull you into a false sense of security, make sure you get what you paid for."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+68

Response time1 day
Response rate100%
30 neighbors recently requested a quote
Avatar for Founders Insulation
Founders Insulation
4.9(
18
)
Blown-In Insulation - Install or Upgrade

Serving Great Falls, VA and surrounding areas

Approved

In business since 2022

Free estimates

Credit card accepted

"The company did a good job replacing old insulation in our attic. There was a communication hick-up but the project manager we worked with - Jamie - was able to correct and resolve the issue."
Exterior Walls
Exterior Walls
Roof line
Exterior Walls
Exterior Walls

+11

Response time12 hrs
232 neighbors recently requested a quote
Recommended by70%of homeowners
Avatar for Discount Energy Services
Discount Energy Services
4.3(
89
)
Blown-In Insulation - Install or UpgradeInsulation - Install or Upgrade

Serving Great Falls, VA and surrounding areas

Approved

In business since 1984

Free estimates

Warranties offered

"We had a great experience with Discount Energy Services. They insulated our entire attic and crawl space, and from start to finish they were professional, responsive, and easy to work with. The turnaround time was impressively quick, the quality of the work was excellent, and we felt the value was very good for the scope of the project. The team was efficient, knowledgeable, and clearly took pride in doing the job well. We really appreciated how smoothly the whole process went and would gladly recommend Discount Energy Services to anyone looking for high-quality insulation work."
Additional Photos
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+2

Response time7 hrs
Response rate100%
22 neighbors recently requested a quote
Avatar for Home Genius Exteriors
Home Genius Exteriors
4.9(
437
)
Blown-In Insulation - Install or Upgrade

Serving Great Falls, VA and surrounding areas

Approved

In business since 2004

Free estimates

Emergency services offered

"I was impressed with the quality and skill of the crew, they knew exactly what to do and the result was excellent. I was extremely impressed with the quality of the insulation, and feel much more comfortable with my home! The foreman was excellent, very skilled, and the turn out was outstanding!"
Windows
Windows
Windows
.
Siding

+9

Response time9 hrs
Response rate100%
Recommended by88%of homeowners
Avatar for The Fifth Fuel of Virginia, LLC
The Fifth Fuel of Virginia, LLC
4.6(
59
)
Blown-In Insulation - Install or UpgradeInjection Insulation - Install

Serving Great Falls, VA and surrounding areas

Approved

In business since 2012

Free estimates

Credit card accepted

"These guys were the benchmark for contracting work. Quick estimates on pricing that they stuck to. Timely quality work, and a great clean-up effort. 10/10 would recommend for insulation work."
Response time1 day
4 neighbors recently requested a quote
Recommended by90%of homeowners
Avatar for Comfenergy
Comfenergy
3.9(
50
)
Blown-In Insulation - Install or UpgradeInjection Insulation - Install

Serving Great Falls, VA and surrounding areas

Approved

In business since 2013

Free estimates

Warranties offered

"They wanted to inject very expensive sealant into the ducts to seal the seams. The company I hired used insulating tape over the seams instead, for a greatly reduced price. The total price difference in their proposal and the company that I hired was about $4500."
Attic before
Attic after
Historic Waterford Home
Historic Plaque
Crawl space before

+6

Response time1 day
124 neighbors recently requested a quote
Recommended by84%of homeowners
Avatar for Saint Joseph's Construction Incorporated
Saint Joseph's Construction Incorporated
4.7(
376
)
Blown-In Insulation - Install or Upgrade

Serving Great Falls, VA and surrounding areas

Approved

In business since 1993

Free estimates

Emergency services offered

"We are very pleased and satisfied with St. Joseph's roofing. They did a thorough job of assessing the condition of the existing roof, including climbing into our attic to actually see the condition of the plywood under the roof and how well the roof ventilation process was working. That allowed them to make a very good estimate to replace our roof. They also offered a long term guarantee when we used the proper high quality products. They recognized that the original roof had leaked at one time, so they recommended we contract with a company that could assess whether we had any mold or mildew issues and whether we needed to replace any insulation. We did hire a company and St. Joseph's worked very closely with them during the actual roof replacement. St Joseph had to remove part of the roof so that the other company could ***** the insulation and mold situation. Fortunately for us, the leaks had been fixed many years ago and the ceiling drywall and insulation under the roof were totally dry and did not need to be replaced. St. Joseph's completed the job in two days, just as they planned. They cleaned up all debris at the end of the first day so that our driveway and walkways were completely clean. The workers were very professional while they were here and worked non stop from 8 am the 7 pm except for a half hour lunch break. We received complements from our neighbors on how professional the installation crew was. I definitely recommend St. Joseph's roofing company as a high quality, customer focused, professional organization."
Shingles
5 neighbors recently requested a quote
Recommended by97%of homeowners
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Drywall Insulation questions, answered by experts

If your home was built before the 1940s and was not remodeled in the past 50 or so years, you probably have plaster walls. Aside from assuming, there are some practical ways to tell if you have plaster walls, including the following: If you knock on the wall and it feels solid, not hollow, if you can’t insert a thumbtack easily, if there are cracks that look like spiderwebs, or if your home has curved, arched, or swirled walls, doorways, or window openings.

If you have an unfinished basement or attic, you could examine the backs of any finished walls to check, too.

If you're comfortable hanging drywall yourself, you may be comfortable finishing it. But it's worth noting that finishing drywall adds several steps to the process and a lot of waiting time. Hiring a drywall installer may be the way to go if you'd rather spend your time doing other things or are nervous about leaving a rough surface.

If you only have tiny holes in your drywall (for example, dents or nail marks), you probably won’t need a patch kit. Instead, you can plug the hole with a small amount of spackle. Once the spackle dries, you can sand the area and paint over it—just like you would in the steps outlined above.

You should wait at least 24 hours for drywall mud to dry before sanding or applying another coat. However, the exact drying time depends on several factors, including the thickness of the application, room temperature, humidity, and the type of compound used. Thicker layers, or projects in high humidity, may require 48 hours or more. Lightweight compounds tend to dry faster than heavier, all-purpose ones. You'll know the mud is ready when it feels completely dry and firm to the touch and has changed to a consistent light color. Sanding too early can cause smudging or gouges, so patience is essential for a smooth finish.

Yes, it is possible to rewire a house without removing the drywall, but this doesn’t work in all homes. You can pull out old wires and insert new ones if you have access to the wiring system via the ceiling or through a crawl space. Some pros can also use a magnetic kit to fish the old wire out of the wall through a hole cavity and install the new wires. Just keep in mind that doing this is less stable than removing drywall, as you won’t be able to staple the wires into the framing.

The Great Falls, VA homeowners’ guide to drywall insulation services

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