The Best Insulation Contractors in Marydel, DE

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

#1

Energy Services Plus

4.8
(180 reviews)
Verified

A leading energy efficiency and insulation contractor for the Delmarva Peninsula. They are known for comprehensive home performance solutions, combining advanced insulation techniques with professional air sealing to maximize energy savings. They are a go-to provider for homeowners seeking utility rebates and expert advice.

12 Railroad Ave, Wyoming, DE 19934 (Serves Marydel and the entire Delmarva area)

Specialties & Features

Spray foam insulation
Energy efficiency audits
Air sealing services

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
#2

Delmarva Insulation

4.7
(120 reviews)
Verified

A specialized insulation contractor focusing on both residential and commercial projects. They have a strong reputation for quality installation of various insulation types and are particularly skilled in handling complex projects in older homes, including historic properties.

28534 Sussex Hwy, Seaford, DE 19973 (Services extend throughout Kent and Sussex Counties, including Marydel)

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
#3

Diamond Home Renovations

4.6
(90 reviews)
Verified

A full-service home improvement company with a dedicated and highly-rated insulation division. They offer a wide range of insulation services and are praised for their professionalism, clear communication, and thorough cleanup. A strong choice for insulation removal and replacement projects.

200 Clifton Ave, Milford, DE 19963 (Serves the central Delaware region, including Marydel)

Specialties & Features

Insulation removal and replacement
Basement and crawl space insulation
Attic insulation installation and upgrade

Business Information

Years in Business:8 years
Licensed:Yes
Insured:Yes

Why These Are the Top Insulation Contractors in Marydel

** The insulation market serving Marydel, DE, is characterized by a reliance on regional contractors rather than hyper-local businesses. Marydel's small size and rural nature mean that the most reputable providers are based in larger nearby population centers like Dover, Milford, and Seaford, or serve the entire Delmarva Peninsula from a central location. **Average Quality & Competition:** The quality of service available is high, as these regional providers must compete on reputation, certifications, and service quality across a wider area. They are typically well-versed in the specific challenges of Delaware homes, such as humidity control in crawl spaces and maximizing energy efficiency for both older and new constructions. **Typical Pricing:** Pricing is competitive and in line with regional averages. As a general guide: * **Blown-In Attic Insulation:** $1,500 - $3,500 * **Spray Foam Insulation (closed-cell):** $1.50 - $3.00 per board foot * **Whole-House Air Sealing & Insulation Upgrade:** $3,500 - $8,000+ These providers are experts in navigating local building codes and are adept at helping homeowners take advantage of available rebates from Delaware's Sustainable Energy Utility (DESEU) and federal tax credits, which can significantly offset project costs. Homeowners in Marydel are advised to obtain at least two quotes for any significant insulation project.

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 Marydel regulations and climate

Frequently Asked Questions About Insulation in Marydel

Get answers to common questions about insulation services in Marydel, Delaware.

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

For Marydel's humid subtropical climate with hot summers and cold winters, a combination of air sealing and high R-value insulation is key. We typically recommend spray foam for its superior air-sealing properties in attics and crawl spaces, and blown-in cellulose or fiberglass for existing wall cavities. Properly addressing air leaks is as crucial as the insulation itself to manage both temperature and humidity effectively.

2Are there any Delaware-specific rebates or incentives for upgrading my home's insulation?

Yes, Delaware homeowners can benefit from the Energize Delaware Home Performance Program, which offers rebates and low-interest financing for comprehensive energy upgrades, including insulation. Additionally, the federal tax credits for energy efficiency (26C) are still available, covering a percentage of qualified insulation material costs. We recommend checking the current program details as incentives can change.

3When is the best time of year to have insulation installed in Marydel?

While insulation can be installed year-round, the ideal times are late spring (April-May) and early fall (September-October). These periods typically offer mild, dry weather in Kent County, which is optimal for attic work and allows for proper curing of certain materials like spray foam. Scheduling during these shoulder seasons also avoids the peak summer heat and the busy winter rush for emergency heat-loss fixes.

4How do I choose a reputable insulation contractor in the Marydel area?

Always choose a licensed and insured Delaware contractor. Look for providers with specific experience in the coastal Mid-Atlantic climate who perform a thorough energy audit or assessment first. Check for local references and verify they understand Delaware's building codes, including the required R-values for our climate zone (Zone 4A), which are higher than in warmer regions.

5My older home feels drafty. Is adding insulation to the walls worth the cost and disruption?

For Marydel's many historic and older homes, it is often worth it, but the approach matters. Drilling small holes for dense-pack cellulose or fiberglass insulation in exterior walls is minimally invasive and highly effective at stopping drafts and improving comfort year-round. The investment typically pays for itself through significant energy savings, especially given Delaware's fluctuating energy costs, and increases the home's overall value.