The Best Insulation Contractors in Glenwood, MD

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

#1

Koala Insulation of Central Maryland

4.9
(150 reviews)
Verified

A highly-rated, modern insulation company known for its customer service and comprehensive approach. They specialize in all major types of insulation and emphasize education, helping homeowners choose the right solution for energy efficiency and comfort. They are part of a national brand with strong local management.

8190 C Mountain Rd, Ellicott City, MD 21043 (This is their primary service center, serving Glenwood and the wider central MD area)

Specialties & Features

Blown-in insulation
Spray foam insulation
Insulation removal and replacement

Business Information

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

Supreme Insulation Inc.

4.8
(200 reviews)
Verified

A well-established, family-owned and operated contractor with a long history in the Maryland market. They have a strong reputation for professionalism, quality workmanship, and expertise in both residential and commercial insulation projects. Their longevity is a key indicator of reliability.

22700 Washington St, Leonardtown, MD 20650 (While based in Southern MD, they have a significant service area that includes Howard County and central MD)

Specialties & Features

Spray foam insulation
Basement and crawl space insulation
Air sealing services

Business Information

Years in Business:20 years
Licensed:Yes
Insured:Yes
#3

Home Energy Medics

4.7
(250 reviews)
Verified

This company takes a holistic, diagnostic approach to home performance. They are experts in energy efficiency audits and use that data to drive their insulation and air sealing work. They are an excellent choice for homeowners focused on maximizing energy savings and comfort, and they are well-versed in local utility rebates.

44863 B Old Ox Rd, Sterling, VA 20166 (Serves the broader DMV area, including Maryland suburbs like Howard County)

Specialties & Features

Energy efficiency audits
Air sealing services
Attic insulation installation and upgrade

Business Information

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

Why These Are the Top Insulation Contractors in Glenwood

The insulation market serving Glenwood, MD, and the greater Howard County area is competitive and characterized by a high standard of quality. Homeowners in this region are generally knowledgeable and have a strong interest in energy efficiency due to the area's climate (hot, humid summers and cold winters) and relatively high energy costs. The market is a mix of long-standing local specialists and newer, service-oriented companies that leverage modern diagnostic tools. **Average Quality:** The bar for quality is high, with leading contractors offering advanced solutions like spray foam and cellulose, and pairing insulation with critical air sealing services. **Competition Level:** Moderate to High. While there may not be many providers physically located in Glenwood itself, numerous highly-qualified contractors from Columbia, Ellicott City, Baltimore, and even the DMV area compete for business in Howard County. This competition benefits consumers through competitive pricing and a focus on customer service. **Typical Pricing:** Pricing is in line with the broader Baltimore-Washington corridor. Projects can range from: * **Attic Blown-In Insulation:** $1,500 - $4,500 * **Spray Foam Insulation:** $2.00 - $5.00 per board foot (highly variable based on type and project complexity) * **Whole-House Energy Audit:** $400 - $800 (often applied as a credit if proceeding with work) Many providers offer free estimates, and it is highly recommended to get 2-3 quotes. Homeowners should also inquire about available rebates from utilities like BGE, which can significantly offset project costs.

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 Glenwood regulations and climate

Frequently Asked Questions About Insulation in Glenwood

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

1What is the most cost-effective type of insulation for my Glenwood home given our local climate?

For our Maryland climate with hot, humid summers and cold winters, blown-in cellulose or fiberglass in attics is often the most cost-effective upgrade. It provides excellent thermal performance and air sealing, which is crucial for managing humidity. Spray foam, while more expensive upfront, offers superior air sealing and moisture control in basements or crawl spaces, potentially offering greater long-term energy savings.

2When is the best time of year to schedule insulation work in Glenwood?

The ideal times are late spring (April-May) and early fall (September-October). These periods typically offer mild, dry weather, which is important for certain insulation materials and for ventilating your home during installation. Scheduling during these shoulder seasons also helps you prepare your home for the peak heating and cooling demands of our Maryland summer and winter, ensuring maximum comfort and efficiency.

3Are there any local Glenwood or Howard County regulations or rebates I should know about for insulation projects?

While Glenwood follows Maryland's building codes, which set minimum R-value requirements, there are no unique local ordinances. However, Maryland homeowners, including those in Glenwood, should explore available rebates. Key programs include the EmPOWER Maryland Home Energy Loan Program and federal tax credits for qualified energy efficiency improvements, which can significantly offset project costs.

4How do I choose a reliable insulation contractor serving the Glenwood area?

Look for a licensed, insured contractor with specific experience in Maryland's climate. They should perform a thorough energy audit or assessment before quoting. Check for strong local references in Howard County and verify they understand moisture management strategies critical for our region. Membership in local trade associations or positive reviews on community-focused platforms are also good indicators of reliability.

5My older Glenwood home feels drafty. Will adding insulation alone solve my comfort issues?

Not entirely. While adding insulation to attics, walls, and basements is crucial, air sealing is equally important for older homes in our area. Drafts are caused by air leaks around windows, doors, and penetrations. A professional assessment will identify these leaks. The most effective approach is a combination of comprehensive air sealing followed by adding the proper amount of insulation to recommended Maryland R-values for a tight, efficient building envelope.