Compare the highest-rated insulation professionals in Naperville, Illinois. All contractors are licensed, insured, and verified through our rigorous screening process.
A highly-rated, full-service insulation and energy conservation contractor serving the Chicagoland area. They are known for their comprehensive energy audits and expertise in advanced solutions like spray foam and dense-pack cellulose. They strongly emphasize air sealing as a critical component of their insulation work.
Part of a national brand with a strong local franchise, Koala is praised for its professionalism, clear communication, and expertise in various insulation types, including blown-in attic insulation and batt insulation for walls and basements. They offer free estimates and emphasize insulation removal and replacement.
A local contractor with a long history in the Fox Valley and DuPage County areas. They have built a solid reputation for reliability and quality work in residential insulation projects, particularly for attic insulation upgrades and wall insulation services. They are well-versed in local building codes.
** The insulation market in Naperville, Illinois, is robust and competitive, characterized by a high demand for energy efficiency upgrades. Naperville's housing stock includes a significant number of homes built in the 1980s and 1990s, many of which have outdated or insufficient insulation by modern standards. This drives a strong market for attic insulation upgrades and air sealing. The competition level is high, with several reputable local and regional contractors vying for business, which generally leads to high service quality and customer-focused practices. Homeowners are typically well-informed and value expertise in building science, leading to a preference for contractors who offer comprehensive energy audits. There is a growing interest in spray foam insulation for its superior air-sealing properties, though blown-in fiberglass and cellulose remain popular for attic projects due to their cost-effectiveness. Typical pricing can vary widely; a basic attic blown-in insulation job might range from $1,500 to $3,500, while a full home spray foam application can cost $10,000 or more. Many providers are knowledgeable about local ComEd and Nicor Gas rebate programs, which can significantly offset the cost of qualifying upgrades.
4.7+ star average from verified customer reviews
All contractors are properly licensed and insured
10+ years average experience in the industry
Familiar with Naperville regulations and climate
Get answers to common questions about insulation services in Naperville, Illinois.
For our climate with cold winters and hot, humid summers, 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 rim joists, and dense-packed cellulose or fiberglass batts for walls. The recommended attic insulation level (R-Value) for our Illinois climate zone is R-49 to R-60, which is crucial for managing both heating and cooling costs effectively.
The cost for insulating a standard attic in Naperville typically ranges from $1,500 to $3,500+, depending on the material (blown-in cellulose vs. spray foam), R-value, and the square footage of your attic. Homeowners should check for current rebates from the **Illinois Home Performance with ENERGY STAR** program and through **NICOR Gas** and **ComEd**, which often offer significant incentives for air sealing and insulation upgrades that improve energy efficiency.
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 weather, making it easier for contractors to perform critical air sealing and for materials like spray foam to cure properly. Scheduling during these shoulder seasons also ensures your home is prepared before the extreme temperatures of our Illinois winter or summer arrive.
Always verify the contractor is licensed, insured, and has strong local references. Specifically, look for a company experienced with the **Naperville Building Code** and local energy efficiency programs. They should perform a thorough energy audit or assessment before quoting, and be knowledgeable about the specific challenges of older Naperville homes, such as balloon framing in historic districts or ventilation needs in modern subdivisions.
In Naperville homes, especially those built before the 2000s, air leakage is often the primary culprit for high bills and discomfort. We frequently find significant gaps in attic floors, around chimneys, and at rim joists that let conditioned air escape. A professional assessment will check your current insulation levels and use a blower door test to measure air leakage; the solution is almost always a combination of comprehensive air sealing *before* adding additional insulation.