The Best Insulation Contractors in Delmar, DE

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

#1

GreenTech Energy Solutions

4.8
(180 reviews)
Verified

A leading energy efficiency and insulation contractor serving the Delmarva Peninsula. They are well-known for comprehensive home performance audits and advanced solutions like spray foam and cellulose insulation. Their strength lies in a whole-house approach, combining air sealing with insulation upgrades to maximize energy savings.

28412 Sussex Hwy, Seaford, DE 19973 (Serves Delmar)

Specialties & Features

Spray foam insulation
Energy efficiency audits
Air sealing services

Business Information

Years in Business:12 years
Licensed:Yes
Insured:Yes
#2

Delmarva Insulation

4.7
(150 reviews)
Verified

A trusted local contractor with deep roots in the community, specializing in both residential and commercial insulation. They are praised for their professionalism and expertise in all major insulation types, particularly blown-in attic insulation and basement/crawl space encapsulation.

8145 Market St, Bridgeville, DE 19933 (Serves Delmar)

Specialties & Features

Blown-in insulation installation
Basement and crawl space insulation
Insulation removal and replacement

Business Information

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

Shore Insulation

4.5
(90 reviews)
Verified

A reliable and responsive insulation company based in Salisbury that frequently services clients in Delaware, including Delmar. They offer a wide range of services from simple attic upgrades to complete wall insulation projects, focusing on improving home comfort and reducing utility bills.

810 E William St, Salisbury, MD 21804 (Serves Delmar)

Specialties & Features

Attic insulation installation and upgrade
Wall insulation services
Crawl space insulation

Business Information

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

Why These Are the Top Insulation Contractors in Delmar

** The insulation market in Delmar, Delaware, is characterized by a reliance on regional contractors from the broader Delmarva Peninsula rather than a high density of local specialists within the town itself. The competition is moderate, with several established, long-standing companies competing with newer, technology-focused energy auditors. The average quality of service is high, as these companies must adhere to both Delaware and Maryland building codes and are often certified by major manufacturers (like Owens Corning) or industry bodies (BPI). Typical pricing is competitive with national averages; for example, attic blown-in insulation can range from $1,500 to $3,500, while spray foam projects for a crawl space or rim joists can range from $2,500 to $5,000. Homeowners in Delmar have good access to expertise on local utility rebates and energy efficiency programs, which many of these top providers help navigate.

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 Delmar regulations and climate

Frequently Asked Questions About Insulation in Delmar

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

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

For our Delmar climate, which experiences hot, humid summers and cold winters, spray foam insulation often provides the best long-term value despite a higher upfront cost. It creates an exceptional air seal, which is critical for managing humidity and preventing moisture issues common in our region. However, for retrofitting existing walls, dense-pack cellulose is a highly effective and budget-friendly alternative that also performs well against Delaware's temperature swings.

2When is the best time of year to schedule insulation installation in Delmar?

The ideal times are during Delaware's mild spring and fall seasons (April-May and September-October). This avoids the peak humidity of summer, which can affect certain insulation materials like spray foam during curing, and the deep cold of winter, when attics can be uncomfortable for installers. Scheduling during these shoulder seasons also typically allows for better availability from local contractors before the high-demand winter preparation rush.

3Are there any specific local building codes or rebates in Delaware I should know about before insulating?

Yes, Delaware has adopted the 2018 International Energy Conservation Code (IECC), which sets specific R-value requirements for insulation in our climate zone (Zone 4A). A local reputable installer will ensure compliance. Furthermore, Delmarva Power offers rebates for Delaware residents for certain insulation upgrades, and the state may have additional energy efficiency incentives, so it's wise to ask your contractor about available programs.

4How do I choose a reliable insulation contractor in the Delmar area?

Look for a contractor licensed and insured in Delaware, with specific experience in our coastal climate's moisture challenges. Ask for local references in Delmar or nearby communities like Laurel or Seaford, and verify they perform a thorough energy audit or assessment before quoting. Membership in local organizations like the Home Builders Association of Delaware can also be a good indicator of a reputable, established business.

5My older Delmar home feels drafty. Should I focus on the attic or the walls first for adding insulation?

In nearly all cases, start with the attic. Heat rises, making the attic the single largest source of energy loss in a home, especially in our climate. Adding or upgrading attic insulation to the recommended R-49 (for our zone) typically provides the fastest and most significant return on investment for both winter heating and summer cooling costs. After addressing the attic, then evaluate the walls and basement/crawlspace for further improvements.