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Find Insulation pros in Fort Belvoir

Avatar for Prudent Homes
Prudent Homes
4.7(
236
)

Serving Fort Belvoir, VA and surrounding areas

Approved

In business since 2002

Free estimates

Warranties offered

"David and his team were very professional and the work they did was excellent---we could tell the difference the next day. The temperature on the 2nd floor is several degree lower than before due to the new insulation and feels much more comfortable. David has solid knowledge regarding insulation and he explains things clearly. Definitely would recommend David and Prudent Homes to my friends and neighbors."
26 neighbors recently requested a quote
Recommended by95%of homeowners
Avatar for DMV Insulation
DMV Insulation
5.0(
6
)

Serving Fort Belvoir, VA and surrounding areas

Approved

In business since 2023

Free estimates

Warranties offered

"DMV Insulations is a great company to work with. The company focuses on your personal needs, always on time, and great customer service! Mark was able to answer any questions I had, and provided me with useful information. I would recommend this company to anyone with attic insulation needs."
Fiberglass Blow-in
Sanctuary insulation install.
Save energy, reduce waste, and lower your carbon footprint.
Loose fill insulation install.
Additional Photos

+5

Response time1 day
Response rate100%
10 neighbors recently requested a quote
Avatar for Comfenergy, LLC
Comfenergy, LLC
4.6(
54
)

Serving Fort Belvoir, VA and surrounding areas

Approved

In business since 2011

Free estimates

Warranties offered

"I've been trying to find an expert in insulation for months to come out and tell me out to properly insulate around a removed chimney and Comfenergy was the expert I needed. Even though the insulation part of the job was too small for Comfenergy (wasn't above their minimum quote value) they were happy to give me their expert advice and I appreciate the time spent as I now know what to ask the roofing contractor to do in order to insulate this correctly. Thanks!"
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+68

Response time1 day
18 neighbors recently requested a quote
Recommended by91%of homeowners
Avatar for Discount Energy Services
Discount Energy Services
4.3(
89
)

Serving Fort Belvoir, 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 time1 day
19 neighbors recently requested a quote
Recommended by82%of homeowners
Avatar for Northern Virginia Insulation and Exteriors, LLC
Northern Virginia Insulation and Exteriors, LLC
4.1(
159
)

Serving Fort Belvoir, VA and surrounding areas

Approved

In business since 2014

Free estimates

Credit card accepted

"Jeff and his crew were great to work with. They re-insulated my attic and did an excellent job at a fair price. I highly recommend them and would happily hire them again for other work on my home. 10 out of 10."
Gallery
32 neighbors recently requested a quote
Recommended by89%of homeowners
Avatar for Founders Insulation
Founders Insulation
4.9(
17
)

Serving Fort Belvoir, VA and surrounding areas

Approved

In business since 2022

Free estimates

Credit card accepted

"Founders Insulation did a very good job on installing insulation in ceilings! They were careful, courteous and cleaned up."
Exterior Walls
Exterior Walls
Roof line
Exterior Walls
Exterior Walls

+11

Response time12 hrs
281 neighbors recently requested a quote
Recommended by75%of homeowners
Avatar for The Fifth Fuel of Virginia, LLC
The Fifth Fuel of Virginia, LLC
4.6(
58
)

Serving Fort Belvoir, VA and surrounding areas

Approved

In business since 2012

Free estimates

Credit card accepted

"Louis and his partner we very professional and thorough. They initially put down drop cloths to protect our floors and nearby items. The precisely installed the insulation to match up with what was already on the walls. I had 1 area that we could not clear out completely due to some heavy shelving, and they worked around the shelving and still did a great job. They ensured the new insulation was mounted correctly and attached well with the insulation that was already on the wall. They also fixed up with tape some adjacent pieces of insulation to make it look much neater. When they were finished to thoroughly cleaned up where they had performed the work. I am very satisfied with their work, They did a great job. Thank you"
Response time1 day
77 neighbors recently requested a quote
Recommended by92%of homeowners
Avatar for AMO Home Solutions LLC
AMO Home Solutions LLC
5.0(
1
)

Serving Fort Belvoir, VA and surrounding areas

Approved

In business since 2020

Free estimates

Credit card accepted

At AMO Home Solutions LLC, we specialize in identifying why your utility bills are high and how to fix them. Our certified team performs deep-dive energy audits to ensure your home is healthy, comfortable, and built to last.\n\nOur specialized services include:\nPrecision Diagnostics:- Blower door testing and combustion safety analysis.\nThermal Enclosure:- High-performance attic and floor insulation.\nAir Sealing:- Targeted sealing to eliminate drafts and energy waste.\nCrawlspace Remediation:- Leak detection and professional vapor barrier installation.\nSystem Safety:- Comprehensive testing of furnaces, gas water heaters, and dryer vents.\n

Fredericksburg VA
Fredericksburg VA
Fredericksburg VA
Fredericksburg VA
Fredericksburg VA

+40

7 neighbors recently requested a quote
Avatar for Capital Insulation, LLC
Capital Insulation, LLC
4.7(
70
)

Serving Fort Belvoir, VA and surrounding areas

In business since 2005

Free estimates

Small jobs welcome

"When my Dominion Home Energy Report showed that I â used 101% more electricity than average homes,â I knew it was time to do something! I read reviews and then reached out to several companies for an estimate to replace my attic insulation. Capital Insulation provided an itemized quote that was the best value. I was happy every step of the process from working with Karl on the estimate to scheduling the installation with Lisa and communication with the crew while they did the work. The installation was completed quickly, they cleaned up when done, and payment via bank transfer was simple through QuickBooks. I will gladly recommend Capital Insulation to friends and family."
Insulation after.
Attic after removal.
Insulation before.
Before Encapsulation
After Encapsulation

+19

Response time2 days
Recommended by96%of homeowners
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FAQs for insulation service projects in Fort Belvoir, VA

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 Fort Belvoir, VA 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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