The Best Insulation Contractors in Manassas, VA

Compare the highest-rated insulation professionals in Manassas, Virginia. All contractors are licensed, insured, and verified through our rigorous screening process.

#1

Koala Insulation of Manassas

4.8
(150 reviews)
Verified

A highly-rated, locally-focused branch of a national brand specializing in a comprehensive suite of insulation services. They emphasize education, energy efficiency, and using recycled and green materials where possible. Known for thorough energy audits and clear, upfront pricing.

9400 Innovation Dr, Manassas, VA 20110

Specialties & Features

Blown-in insulation
Spray foam insulation
Insulation removal and replacement

Business Information

Years in Business:5 years
Licensed:Yes
Insured:Yes
#2

Ruscoe Company

4.7
(80 reviews)
Verified

A well-established, family-owned contractor with a long history in Northern Virginia. They have a strong reputation for quality workmanship and professionalism in both residential and commercial insulation. Their expertise extends to the specific needs of older homes in the region.

8429 Kao Cir, Manassas, VA 20110

Specialties & Features

Spray foam insulation
Basement and crawl space insulation
Air sealing services

Business Information

Years in Business:25 years
Licensed:Yes
Insured:Yes
#3

Rescom Exteriors

4.9
(250 reviews)
Verified

While based in a neighboring city, Rescom is a premier service provider for the entire Northern Virginia region, including Manassas. They have an exceptional number of stellar reviews and are recognized for their expertise in creating energy-efficient building envelopes. They offer robust warranties and are a certified Owens Corning installer.

7912 Belle Point Dr, Gainesville, VA 20155 (Serves Manassas)

Specialties & Features

Attic insulation installation and upgrade
Energy efficiency audits
Air sealing services

Business Information

Years in Business:10 years
Licensed:Yes
Insured:Yes

Why These Are the Top Insulation Contractors in Manassas

The insulation market in Manassas, Virginia, is competitive and service-rich, driven by a mix of historic homes and new construction, alongside a regional focus on energy efficiency. The climate, with hot, humid summers and cold winters, creates a significant demand for effective insulation and air sealing to manage comfort and utility costs. The market is characterized by a blend of long-standing local companies and reputable franchises. Typical pricing varies widely based on the project scope and material; a basic attic blow-in with cellulose can range from $1,500 to $3,500, while a full spray foam application for an attic or crawl space can range from $4,500 to $10,000+. Many providers are well-versed in local building codes and can advise on potential rebates from utility companies like Dominion Energy. Overall, the quality of providers is high, with customers expecting detailed energy audits, professional installation, and clear communication about the return on investment.

High Ratings

4.7+ star average from verified customer reviews

Fully Licensed

All contractors are properly licensed and insured

Proven Experience

10+ years average experience in the industry

Local Experts

Familiar with Manassas regulations and climate

Frequently Asked Questions About Insulation in Manassas

Get answers to common questions about insulation services in Manassas, Virginia.

1What is the best type of insulation for my attic in Manassas, given our local climate?

For Manassas's humid subtropical climate with hot summers and cold winters, a combination approach is often best. Blown-in cellulose or fiberglass is excellent for attics as it fills irregular spaces and provides a high R-value (aim for R-49 to R-60). It's also crucial to ensure proper attic ventilation to combat our summer humidity, which can lead to moisture issues and reduce insulation effectiveness.

2How much does attic insulation installation typically cost for a Manassas home?

Costs vary by home size and material, but for a typical 1,500 sq ft attic in our area, blown-in insulation installation ranges from $1,500 to $3,500. Regional material and labor rates influence this, and older Manassas homes may require additional prep work like air sealing. Many Virginia homeowners qualify for rebates through Dominion Energy or federal tax credits, which can significantly offset the cost.

3When is the best time of year to install or upgrade insulation in Manassas?

Fall and early spring are ideal seasons in Manassas. These periods offer moderate temperatures, making it easier for contractors to work effectively in your attic and for you to schedule without the peak summer or winter rush. Addressing insulation before our humid summer or freezing winter hits ensures your HVAC system runs efficiently when you need it most.

4Are there specific local regulations or permits needed for insulation work in Manassas, VA?

Generally, simple retrofit insulation does not require a permit from the City of Manassas Building Development Division. However, if the project involves structural changes, altering ventilation, or replacing roof decking, a permit may be needed. Always hire a licensed Virginia contractor who will ensure compliance with the statewide Uniform Statewide Building Code (USBC), which includes specific insulation R-value requirements.

5My older Manassas home feels drafty. Should I focus on the attic, walls, or crawl space first?

Prioritize the attic and crawl space, as these are typically the largest sources of heat loss and gain. In our climate, a damp, uninsulated crawl space can lead to major moisture and cold floor issues. Sealing and insulating the attic floor is your top return-on-investment, followed by encapsulating and insulating the crawl space. Wall insulation is important but is more invasive and costly, so address the easier targets first for immediate comfort and energy savings.