The Best Insulation Contractors in Barstow, MD

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

#1

Koala Insulation of Southern Maryland

4.8
(150 reviews)
Verified

A leading provider known for its eco-friendly approach and comprehensive service menu. They emphasize education and helping homeowners choose the right insulation solution based on a detailed energy assessment. They are part of a national brand with strong local franchise support.

20868 Old Great Mills Rd, Lexington Park, MD 20653 (Serves Charles County, including Barstow)

Specialties & Features

Spray foam insulation
Blown-in insulation
Insulation removal and replacement

Business Information

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

Southern Maryland Insulation

4.7
(90 reviews)
Verified

A well-established local contractor with deep roots in the Southern Maryland community. They are praised for their professionalism, expertise, and knowledge of local building codes and climate considerations. They offer a wide range of insulation types for both residential and commercial properties.

44795 St. Andrews Church Rd, California, MD 20619 (Serves the entire Southern MD region, including Barstow)

Specialties & Features

Attic insulation installation
Crawl space and basement insulation
Air sealing services

Business Information

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

Home Genius Basement Systems

4.6
(200 reviews)
Verified

While their name emphasizes basements, they are a full-service energy efficiency and insulation company. They are particularly strong in solving moisture-related issues in basements and crawl spaces before installing insulation. They also perform energy audits to identify the most critical areas for improvement.

1915 Hidden Lake Dr, Suite A, Elkridge, MD 21075 (Serves a wide area, including Charles County)

Specialties & Features

Basement and crawl space insulation
Energy efficiency audits
Wall insulation services

Business Information

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

Why These Are the Top Insulation Contractors in Barstow

** The insulation market in and around Barstow, MD, is characterized by a small number of highly specialized local and regional contractors, as the area is primarily rural/suburban. The competition is moderate but quality is generally high among the established players, as they rely heavily on reputation and word-of-mouth. Homeowners typically seek services to improve comfort in older homes, reduce high energy bills, and address moisture problems common in the region's climate. Pricing is competitive but can vary significantly based on the insulation material (e.g., spray foam is a premium option) and the scope of work, including necessary air sealing and preparation. Most reputable providers are well-versed in Maryland state energy codes and can advise on potential rebates from utilities like SMECO (Southern Maryland Electric Cooperative). The top contractors are licensed, insured, and often hold certifications from manufacturers like Owens Corning or Icynene.

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 Barstow regulations and climate

Frequently Asked Questions About Insulation in Barstow

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

1What are the most important insulation upgrades for homes in Barstow, MD, given our local climate?

For Barstow's humid subtropical climate with hot, humid summers and cool winters, the top priorities are air sealing and attic insulation. Properly air sealing your attic floor and adding blown-in cellulose or fiberglass to achieve at least R-49 (approximately 16-18 inches) is critical to block summer heat gain and winter heat loss. Additionally, insulating basement rim joists and crawl spaces helps manage moisture and drafts common in our region.

2How much does insulation installation typically cost for a Barstow home, and are there any local incentives?

Costs vary by home size and material, but a typical attic insulation project in Barstow ranges from $1,500 to $3,500. Maryland homeowners, including those in Calvert County, can access incentives through programs like the Maryland Energy Administration's Home Energy Loan Program (HELP) and federal tax credits for qualified energy efficiency improvements, which can offset 30% of the cost up to $1,200 annually.

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

The ideal times are late spring (April-May) and early fall (September-October). These periods typically offer milder temperatures, making it easier for contractors to perform thorough air sealing and for materials like spray foam to cure properly. Scheduling during these shoulder seasons also ensures your home is prepared before the peak humidity of summer or the cold snaps of winter arrive.

4What should I look for when choosing an insulation contractor in Southern Maryland?

Always verify the contractor is licensed and insured in Maryland. Look for local experience, as contractors familiar with Barstow and Calvert County will understand common home construction styles (like older farmhouses or newer developments) and regional moisture challenges. Ask for references from nearby projects and ensure they perform a pre-installation energy audit to identify your home's specific needs.

5I'm concerned about moisture and mold in my crawl space. What is the recommended insulation approach for Barstow-area homes?

This is a very common concern due to our high groundwater levels and humidity. The recommended best practice is to encapsulate the crawl space: sealing the ground and walls with a vapor barrier, insulating the foundation walls (not the floor joists) with rigid foam or spray foam, and ensuring proper dehumidification or ventilation. This method creates a conditioned, dry space, preventing mold and improving overall home air quality and efficiency.