The Best Insulation Contractors in Houston, DE

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

#1

Delaware Insulation

4.8
(180 reviews)
Verified

A leading dedicated insulation contractor serving the entire state of Delaware, including Kent County. They are known for their expertise in high-performance spray foam and cellulose insulation, with a strong focus on whole-home energy efficiency solutions, including air sealing and energy audits.

1425 Bay Road, Dover, DE 19901 (Serves Houston, DE)

Specialties & Features

Spray foam insulation
Blown-in cellulose
Energy efficiency audits

Business Information

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

Delmarva Structural Services

4.7
(130 reviews)
Verified

A well-established and highly-rated general contractor with a specialized division for insulation and energy efficiency. They offer a comprehensive suite of services from attic and crawl space encapsulation to insulation removal and replacement, often handling projects from inspection to completion.

28 Commerce Way, Dover, DE 19904 (Serves Houston, DE)

Specialties & Features

Basement and crawl space insulation
Insulation removal and replacement
Air sealing services

Business Information

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

Diamond Home Services

4.6
(90 reviews)
Verified

A reputable local contractor known for responsive service and quality workmanship in residential insulation. They are a strong choice for standard insulation upgrades, particularly in attics and walls, and are knowledgeable about local utility rebates available to Delaware homeowners.

5 Walker Road, Dover, DE 19904 (Serves Houston, DE)

Specialties & Features

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

Business Information

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

Why These Are the Top Insulation Contractors in Houston

** The insulation market serving Houston, Delaware, is part of the broader Kent County and central Delaware region. The market is moderately competitive, dominated by a handful of established, high-quality contractors rather than a saturated field of options. The average quality of service is high, as the leading providers are typically well-licensed, insured, and hold certifications from manufacturers like Owens Corning or BASF, and some are BPI (Building Performance Institute) certified for energy auditing. Due to the age of many homes in the area, a significant portion of the work involves **insulation removal and replacement** in attics, as well as **crawl space and basement encapsulation** to combat moisture and improve efficiency. Spray foam is a popular premium option for its air-sealing properties, while blown-in cellulose and fiberglass remain cost-effective standards for attic upgrades. **Typical Pricing:** Costs are in line with the mid-Atlantic average. As a rough guide: * **Attic Blown-In Insulation:** $1,500 - $4,500 * **Spray Foam Insulation (closed-cell):** $1.50 - $3.00 per board foot * **Crawl Space Encapsulation:** $3,000 - $8,000 Homeowners in the area are encouraged to seek multiple quotes and inquire about rebates from local utilities like Delmarva Power, which can significantly offset the cost of energy-efficient upgrades.

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 Houston regulations and climate

Frequently Asked Questions About Insulation in Houston

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

1What is the recommended insulation R-value for my attic in Houston, Delaware, and why is it important?

For Houston, Delaware, the U.S. Department of Energy recommends an attic insulation R-value of R-49 to R-60. This is critical due to our humid subtropical climate, which brings hot, humid summers and cold winters. Proper attic insulation at this level significantly reduces heat transfer, lowering your energy bills year-round by keeping your home cooler in summer and warmer in winter.

2How does Houston's humidity affect my insulation choices, particularly for crawl spaces or basements?

Houston's high humidity makes moisture resistance a top priority. For crawl spaces and basements, using closed-cell spray foam or rigid foam board insulation is often recommended, as these materials act as both an insulator and a moisture barrier. This prevents mold growth, wood rot, and insulation degradation, which are common concerns in our damp climate, protecting your home's structure and indoor air quality.

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

Yes, Delaware homeowners can access excellent incentives through the Energize Delaware Home Performance Program. This program offers rebates and low-interest financing for comprehensive energy upgrades, including insulation. Additionally, the federal tax credits for energy efficiency may apply, making insulation improvements in Houston a more affordable investment with a strong return through energy savings.

4When is the best time of year to have insulation installed in my Houston home?

While insulation can be installed year-round, the ideal times are late spring (April-May) and early fall (September-October). These periods typically offer milder temperatures and lower humidity, which is better for certain installation processes and for your comfort if the home needs to be ventilated. Scheduling during these off-peak seasons may also provide more flexibility with contractor availability.

5What should I look for when choosing a local Houston, DE insulation contractor?

Always verify the contractor is licensed and insured in Delaware. Look for companies with specific experience in our regional climate challenges, such as managing moisture and achieving proper attic ventilation. Ask for local references, ensure they perform a detailed energy audit before quoting, and check if they are certified by manufacturers (like Owens Corning) or programs like BPI (Building Performance Institute) for quality assurance.