The Best Insulation Contractors in Great Mills, MD

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

#1

Koala Insulation of Southern Maryland

4.8
(100 reviews)
Verified

A highly-rated, modern insulation company known for its expertise in both residential and commercial projects. They emphasize education and provide free, detailed estimates. Their services are comprehensive, covering everything from attic and wall insulation to complex spray foam applications and air sealing.

21899 Old Great Mills Rd, Lexington Park, MD 20653 (This is their primary service address for the area)

Specialties & Features

Spray foam insulation
Blown-in attic insulation
Air sealing services

Business Information

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

All Aspects Waterproofing & Insulation

4.7
(200 reviews)
Verified

While waterproofing is in their name, this established local contractor has a robust insulation division. They are particularly strong in below-grade and perimeter insulation, making them an excellent choice for basement and crawl space projects. Their longevity and wide range of services speak to a strong reputation.

20889 Great Mills Rd, Lexington Park, MD 20653

Specialties & Features

Basement and crawl space insulation
Insulation removal and replacement
Spray foam insulation

Business Information

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

Southern Maryland Insulation

4.6
(80 reviews)
Verified

A specialized contractor focused primarily on insulation services. They are known for their work with blown-in cellulose and fiberglass in attics and walls. They are a strong local option for standard insulation upgrades and are familiar with the specific needs of homes in the Chesapeake region.

Servicing Great Mills from their base in Lusby, MD.

Specialties & Features

Blown-in insulation installation
Attic insulation installation and upgrade
Wall insulation services

Business Information

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

Why These Are the Top Insulation Contractors in Great Mills

** The insulation market in the Great Mills and broader St. Mary's County area is moderately competitive and is heavily influenced by the local climate and housing stock. The humid, temperate climate with cold winters and hot, humid summers makes effective insulation and air sealing critical for comfort and energy savings. Many homes are of older construction, creating a strong demand for insulation upgrades and replacement. The presence of Naval Air Station Patuxent River drives a consistent market for quality home services, supporting a base of professional contractors. The average quality of providers is good, with several long-standing companies offering expertise in moisture management—a key concern for basement and crawl space insulation near the water. Typical pricing is in line with regional averages. For a standard attic blown-in insulation job, homeowners can expect to pay **$1,500 - $3,500**, while more complex spray foam applications can range from **$3,500 to $7,500+** depending on the scope. It is highly recommended that homeowners seek multiple quotes and inquire about available rebates from SMECO (Southern Maryland Electric Cooperative) or federal energy efficiency tax credits, which reputable contractors will be knowledgeable about.

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 Great Mills regulations and climate

Frequently Asked Questions About Insulation in Great Mills

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

1What is the most cost-effective type of insulation for my older home in Great Mills, given our humid summers and cold winters?

For most older homes in our area, blown-in cellulose or fiberglass insulation in the attic is highly cost-effective. It provides excellent thermal performance for our mixed-humid climate (Climate Zone 4A) and can be installed over existing insulation without major renovations. Air sealing before insulating is crucial here to manage moisture and prevent the warm, humid summer air from causing condensation issues in your attic.

2When is the best time of year to have insulation installed in Great Mills?

The ideal times are late spring (April-May) and early fall (September-October). These periods typically offer mild, dry weather, which is important for projects like attic work where extreme summer heat can be dangerous for installers and winter conditions can complicate access. Scheduling during these shoulder seasons also ensures your home is prepared for both peak heating and cooling seasons in Southern Maryland.

3Are there any local rebates or incentives in Maryland for upgrading my home's insulation?

Yes, Maryland homeowners can benefit from several programs. The most direct is the **EmPOWER Maryland Residential Rebate Program**, which offers rebates for adding insulation to meet specific R-value targets. Additionally, federal tax credits for insulation may apply. It's wise to choose a contractor familiar with these programs, as they can help ensure the work qualifies and assist with the paperwork.

4How do I choose a reliable insulation contractor in St. Mary's County?

First, verify they are licensed, insured, and have a physical local presence. Ask for references from homes in Great Mills or nearby communities like Lexington Park. A reputable contractor should provide a detailed assessment and quote, explain the recommended R-values for our zone, and discuss moisture control strategies specific to our Chesapeake Bay-influenced climate. Be wary of door-to-door sales with high-pressure tactics.

5My house feels drafty and my energy bills are high. Should I focus on the attic or the walls first?

In nearly all Great Mills homes, the attic is the priority. Heat rises, making the attic the single largest source of heat loss in winter and heat gain in summer. Adding or upgrading attic insulation (and air sealing) typically offers the fastest return on investment. Wall insulation is important but is a more invasive and costly project; an energy audit using a blower door test can help pinpoint if wall insulation is a necessary next step after addressing the attic.