Compare the highest-rated insulation professionals in Oak Brook, Illinois. All contractors are licensed, insured, and verified through our rigorous screening process.
Green Attic Insulation is a highly specialized, eco-conscious contractor focusing heavily on comprehensive home performance upgrades. They are renowned for their diagnostic approach, often starting with energy audits to identify the root causes of energy loss, drafts, and comfort issues before proposing solutions.
A family-owned and operated business with a strong reputation for professionalism and quality workmanship across a wide range of insulation services. They are known for their expertise in both new construction and retrofit projects, and they effectively communicate the benefits of different insulation types to homeowners.
As part of a national brand with local franchise ownership, Koala brings a standardized process and strong customer service focus. They offer free estimates and are particularly adept at explaining potential utility rebates and tax credits. Their services cover all the major insulation types for residential and commercial properties.
** The insulation market serving Oak Brook, Illinois, is characterized by high-quality, professional contractors rather than a high volume of competition. Due to the affluence and age of many homes in the area (with a mix of mid-century builds and newer, large custom homes), the customer base has a strong demand for premium services like spray foam insulation and comprehensive air sealing. Providers in this market must be well-versed in the specific energy efficiency goals and comfort expectations of homeowners in this region. **Average Quality:** The bar for service quality is high. Successful contractors are typically well-licensed, insured, and carry certifications from manufacturers (like Demilec or Icynene for spray foam) or industry bodies (BPI, RESNET). **Competition Level:** Moderate but sophisticated. While there may not be dozens of companies, the existing competition is fierce on expertise, service quality, and warranty offerings rather than price alone. The market is served by specialized local leaders and established regional companies. **Typical Pricing:** Pricing is at a premium compared to national averages, reflecting the higher cost of operations and the specialized nature of the services demanded. * **Blown-In Cellulose/Fiberglass:** $1,500 - $4,500 for a standard attic. * **Spray Foam Insulation:** $3,500 - $7,500+ for an attic, highly dependent on board feet and foam type (open vs. closed cell). * **Wall Insulation (Blown-In):** $1,000 - $3,500 for exterior walls. * **Energy Audit:** $300 - $600, often applied as a credit if proceeding with work. Homeowners in Oak Brook are advised to seek multiple quotes and verify local licensing and insurance with any contractor before proceeding.
4.7+ star average from verified customer reviews
All contractors are properly licensed and insured
10+ years average experience in the industry
Familiar with Oak Brook regulations and climate
Get answers to common questions about insulation services in Oak Brook, Illinois.
For Oak Brook's humid summers and cold winters, spray foam insulation is often recommended for its superior air-sealing and high R-value per inch, especially in attics and rim joists. However, blown-in cellulose or fiberglass in existing wall cavities can be a very effective and cost-efficient choice for retrofits. The "best" type depends on your home's specific construction, budget, and whether you're targeting new construction, an addition, or an older home retrofit.
For a standard 1,500 sq ft attic in Oak Brook, adding blown-in cellulose or fiberglass to achieve R-49 (the recommended level for our climate zone) typically costs between $1,500 and $3,000. Spray foam will be significantly more. Homeowners should check for current rebates from ComEd and Nicor Gas, which often offer incentives for adding insulation, and the Oak Brook Village website for any local energy efficiency programs that may apply.
While insulation can be installed year-round, late spring and early fall are optimal in Oak Brook. These periods offer mild temperatures, allowing for proper curing of materials like spray foam and making attic work more comfortable for installers. Scheduling during these shoulder seasons also ensures your home is fully prepared before the peak heating and cooling demands of our severe Illinois winter and summer arrive.
Prioritize Illinois-licensed contractors with specific experience in the Chicago suburbs, as they understand local building codes and climate challenges. Verify they carry proper liability insurance and worker's compensation. Ask for local references in Oak Brook or similar nearby communities (Hinsdale, Elmhurst) and ensure they provide a detailed, written estimate that includes the R-value to be achieved, not just the depth of material.
Not always. In many of Oak Brook's elegant but older homes, air leakage is a major culprit. Insulation resists heat flow, but air sealing (caulking, sealing around penetrations, weatherstripping) is crucial to stop drafts. A professional energy audit is highly recommended to identify the specific sources of drafts and moisture before proceeding. Properly addressing air leaks in conjunction with adding insulation is the key to maximizing comfort and energy savings.