The Best Insulation Contractors in Dundalk, MD

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

#1

Koala Insulation of Baltimore

4.8
(150 reviews)
Verified

A highly-rated, modern insulation contractor known for its focus on energy efficiency and customer education. They specialize in both residential and commercial projects, offering a wide range of insulation types and emphasizing eco-friendly solutions. Their service area explicitly includes Baltimore County and its suburbs.

7845 Oakwood Hwy, Glen Burnie, MD 21061 (Primary location serving the Baltimore area, including Dundalk)

Specialties & Features

Blown-in insulation
Spray foam insulation
Insulation removal and replacement

Business Information

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

Bay Insulation, LLC

4.7
(80 reviews)
Verified

A well-established local contractor with a strong reputation for professional and thorough work. They offer comprehensive services from energy audits to full installation and are known for their expertise in air sealing, which maximizes insulation effectiveness. They serve the greater Baltimore region.

7950 Rossville Blvd, Baltimore, MD 21236 (Located in nearby Baltimore, with direct service to Dundalk)

Specialties & Features

Air sealing services
Energy efficiency audits
Attic insulation installation and upgrade

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
#3

Resin Surfaces & Insulation

4.6
(100 reviews)
Verified

This company offers a unique combination of spray foam roofing and insulation services, giving them deep expertise in spray foam applications for both interior and exterior projects. They are a reliable local provider for complex insulation needs in homes and commercial buildings throughout the Baltimore area.

7910 Philadelphia Rd, Baltimore, MD 21237 (Situated very close to the Dundalk area)

Specialties & Features

Spray foam insulation
Basement and crawl space insulation
Wall insulation services

Business Information

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

Why These Are the Top Insulation Contractors in Dundalk

The insulation market in Dundalk, Maryland, is characterized by a high demand for energy efficiency upgrades, driven by the area's mix of older housing stock and homeowners seeking to reduce utility costs. The competition level is moderate to high, but the highest-quality, specialized contractors are primarily based in the broader Baltimore metropolitan area and extend their services to Dundalk. Typical pricing is in line with the Mid-Atlantic region; for example, attic blown-in insulation can range from $1,500 to $3,500, while spray foam projects can start at $2,500 and go significantly higher depending on the scope. Homeowners are increasingly aware of available rebates from utilities like BGE (Baltimore Gas and Electric), and the top contractors are proficient in guiding customers through these incentive programs and ensuring compliance with Maryland's building codes.

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 Dundalk regulations and climate

Frequently Asked Questions About Insulation in Dundalk

Get answers to common questions about insulation services in Dundalk, Maryland.

1What are the most important types of insulation for my Dundalk home, considering the local climate?

For Dundalk's humid subtropical climate with cold winters and hot, humid summers, a balanced approach is key. We highly recommend air sealing and attic insulation (typically blown-in cellulose or fiberglass to at least R-49) as a top priority to combat both summer heat gain and winter heat loss. For older homes, adding wall insulation (often via dense-pack cellulose injection) and properly insulating basements or crawl spaces is crucial to manage moisture and improve year-round comfort.

2How much does insulation installation typically cost for a house in Dundalk?

Costs vary significantly based on home size, insulation type, and areas serviced, but local projects often range from $1,500 to $4,500 for a standard attic insulation upgrade. Whole-home projects involving walls and crawl spaces can reach $8,000+. It's important to get multiple quotes, as regional material and labor costs apply. Many Maryland homeowners qualify for rebates through programs like the BGE Home Energy Savings Program or federal tax credits, which can offset 30% of the cost up to $1,200.

3When is the best time of year to get insulation installed in Dundalk?

While insulation can be installed year-round, the ideal times are late spring (April-May) and early fall (September-October). These periods typically offer milder weather, making it easier for contractors to perform critical air sealing work and for you to have your attic accessed safely. Scheduling during these shoulder seasons also ensures your home is prepared for the peak heating and cooling demands of Dundalk's summer and winter.

4What should I look for when choosing a local Dundalk insulation contractor?

Always verify the contractor is licensed and insured in Maryland. Look for companies with specific experience in older Dundalk homes, which may have knob-and-tube wiring or plaster walls requiring special techniques. Ask for local references and check reviews. A reputable provider should perform a thorough energy audit or assessment first and clearly explain their recommended R-values, air sealing methods, and compliance with Maryland's building codes.

5My older Dundalk home feels drafty and has high humidity. Will new insulation help?

Absolutely, but it must be done correctly. In our coastal climate, a drafty home often suffers from significant air leakage, which allows humid summer air inside, leading to condensation and mold risk. The solution is a comprehensive approach: professional air sealing of gaps, cracks, and bypasses first, followed by adding the correct type and amount of insulation. This controls moisture migration, improves indoor air quality, and enhances comfort more than insulation alone.