Compare the highest-rated insulation professionals in Greendell, New Jersey. All contractors are licensed, insured, and verified through our rigorous screening process.
GreenTech Energy Solutions is a leading South Jersey contractor specializing in comprehensive home performance and energy efficiency upgrades. They are highly regarded for their scientific approach, often starting with advanced energy audits to diagnose a home's specific needs. Their expertise in air sealing combined with high-performance insulation makes them a top choice for homeowners seeking maximum energy savings and comfort.
A family-owned and operated business with a strong reputation for quality insulation installation and customer service. They focus heavily on both new construction and retrofit projects for existing homes. Tri-State is known for its expertise in various insulation types, particularly blown-in cellulose and fiberglass, and is often praised for its clean work and professionalism.
While "Stay Dry" is widely recognized for basement waterproofing, their insulation division is a natural and highly competent extension of those services. They are the go-to experts for below-grade insulation, effectively addressing moisture control while insulating basements and crawl spaces. This integrated approach prevents mold and ensures the longevity of the insulation.
** The insulation market in the Greendell and greater South Jersey area is robust and competitive, characterized by a mix of specialized home performance companies and long-standing traditional insulation contractors. The average quality is high, as contractors must adhere to strict NJ building codes and are often well-versed in programs like the Home Performance with ENERGY STAR® program, which can provide rebates and incentives. Homeowners in this region are increasingly focused on energy efficiency due to the area's humid summers and cold winters, driving demand for comprehensive air sealing and high-R-value insulation, particularly spray foam in attics and closed crawl spaces. Pricing is competitive but can vary significantly based on the project's scope and materials. For a standard attic blown-in insulation job, homeowners can expect a range of $1,500 - $4,500, while more complex spray foam applications or full-home retrofits can range from $5,000 to $15,000+. The top contractors are typically BPI (Building Performance Institute) certified, which is a key indicator of expertise in whole-home energy solutions.
4.7+ star average from verified customer reviews
All contractors are properly licensed and insured
10+ years average experience in the industry
Familiar with Greendell regulations and climate
Get answers to common questions about insulation services in Greendell, New Jersey.
For a standard 1,500 sq ft attic in Greendell, adding blown-in cellulose or fiberglass insulation to reach the recommended R-49 for our climate zone (Zone 5) typically costs between $1,500 and $3,500. Homeowners should check for New Jersey-specific incentives, such as the Home Performance with ENERGY STAR program, which offers rebates and financing for insulation upgrades that improve energy efficiency. Local utility providers like PSE&G also periodically offer rebates.
The ideal times are late spring (May-June) and early fall (September-October). These periods offer moderate temperatures, which are safer for installers working in attics and allow for proper ventilation during projects like spray foam application. Scheduling during these shoulder seasons also ensures your home is fully prepared for Greendell's cold, humid winters and hot, humid summers before they arrive.
Yes, all insulation work in Greendell must comply with the New Jersey Uniform Construction Code (UCC), which adopts the International Residential Code (IRC). This includes specific requirements for vapor retarders in our mixed-humid climate to prevent moisture issues. A reputable local contractor will pull the necessary permits from the Greendell Building Department and ensure the installation meets all fire safety and energy code standards.
Prioritize contractors who are licensed and insured in New Jersey and have specific experience with homes in Sussex County. Ask for local references in Greendell or nearby towns like Newton, and verify they perform a thorough energy audit or assessment before quoting. It's also wise to choose a contractor certified by the Building Performance Institute (BPI), as this is often required for state incentive programs.
Insulation is a key part of the solution, but air sealing is the critical first step, especially in older homes where gaps let in cold drafts and moisture. We recommend starting with a comprehensive home energy audit to identify the biggest air leaks (often in the attic and basement) and moisture issues. Properly air sealing before adding insulation in the attic and walls will provide the most comfort and energy savings for our variable NJ climate.