Compare the highest-rated insulation professionals in Mantua, New Jersey. All contractors are licensed, insured, and verified through our rigorous screening process.
A highly-rated, locally-owned company specializing in comprehensive home energy solutions. They are known for their professionalism, detailed energy audits, and expertise in both spray foam and blown-in insulation. They strongly emphasize air sealing as a critical part of the insulation process to maximize energy efficiency.
A well-established contractor with a strong focus on residential and commercial insulation. They have a broad service portfolio and are particularly recognized for their work with spray foam and fiberglass batt insulation. Their long history in the region suggests deep knowledge of local building codes and typical home construction in South Jersey.
Part of a national brand with a strong local franchise presence, Koala Insulation receives consistently excellent reviews for customer service, communication, and quality of work. They specialize in all types of blown-in and batt insulation, and prominently offer insulation removal and replacement services, which is a key differentiator.
** The insulation market in Mantua and the broader Gloucester County area is competitive and served by a mix of specialized local contractors and regional companies. The housing stock is diverse, ranging from older colonial and cape cod-style homes that often require significant insulation upgrades and air sealing to newer constructions where high-performance spray foam is increasingly popular. The average quality of providers is high, as the market demands expertise to handle both modern energy efficiency standards and the retrofit challenges of older homes. Typical pricing is in line with the South Jersey region. For a standard attic blow-in insulation job, homeowners can expect to pay between $1,500 and $3,500, depending on the square footage and material (cellulose vs. fiberglass). Spray foam insulation is a premium service, with costs often ranging from $3,500 to $7,500+ for an entire attic due to its superior R-value and air-sealing properties. The most reputable companies distinguish themselves by offering detailed energy audits, being knowledgeable about New Jersey's clean energy programs and potential rebates, and providing clear, upfront quotes.
4.7+ star average from verified customer reviews
All contractors are properly licensed and insured
10+ years average experience in the industry
Familiar with Mantua regulations and climate
Get answers to common questions about insulation services in Mantua, New Jersey.
For Mantua's humid summers and cold winters, a combination of air sealing and blown-in cellulose or fiberglass insulation is highly effective. We recommend achieving an attic insulation level of R-49 to R-60, which is the Department of Energy's recommended zone for our South Jersey climate. This level significantly reduces heat loss in winter and heat gain in summer, directly impacting your energy bills from South Jersey Gas or PSE&G.
Costs vary based on home size, insulation type, and accessibility, but for a standard attic insulation project in a Mantua Cape Cod or colonial, homeowners can expect a range of $1,500 to $3,500. It's important to get a detailed, in-home assessment, as older homes in the area often require critical air sealing first to address drafts. Remember, New Jersey offers sales tax exemptions on certain insulation materials and may have rebate programs through the Clean Energy Program, which can reduce your net cost.
While insulation can be installed year-round, the best times are late spring (April-May) and early fall (September-October). These periods typically offer mild, dry weather in Gloucester County, which is ideal for attic work and allows contractors more scheduling flexibility. Avoid peak summer heat for attic projects for crew safety and comfort, and plan ahead as reputable local contractors book up quickly before winter.
Always verify the contractor is licensed and insured in New Jersey. Look for established local companies with strong reviews in the South Jersey area, as they understand our specific building styles and climate challenges. A trustworthy provider will perform a thorough energy audit or assessment, discuss air sealing, provide a detailed written quote, and clearly explain any applicable Mantua Township permit requirements or NJ state rebates.
Not necessarily; draftiness is primarily an air leakage issue. For Mantua's older housing stock, the most effective first step is a professional air sealing service to close gaps around windows, doors, sill plates, and penetrations. After sealing, adding insulation—such as dense-pack cellulose blown into wall cavities—will work much more effectively. This two-step approach is key to comfort and efficiency in our regional climate.