Compare the highest-rated insulation professionals in Winslow, Illinois. All contractors are licensed, insured, and verified through our rigorous screening process.
A highly-rated, full-service contractor specializing in both residential and commercial insulation. They are known for their expertise in modern spray foam and blown-in insulation systems and often handle projects from energy audits through installation and air sealing.
A reputable local contractor serving both Illinois and Southern Wisconsin. They focus on comprehensive home performance upgrades, including insulation removal and replacement, with a strong emphasis on attic and basement systems to improve comfort and lower energy bills.
While based in the larger city of Rockford, this company has a significant service area that consistently includes Stephenson County and Winslow. They are praised for their professional crews, knowledge of local building codes, and expertise in all the listed insulation types, particularly wall insulation and air sealing.
** The insulation market in and around Winslow, IL, is characteristic of a rural area served by regional contractors from larger nearby hubs like Freeport and Rockford. There are no insulation companies physically located within Winslow's village limits, creating a market reliant on these external providers. The competition is moderate, with a handful of established, reputable contractors dominating the region. **Average Quality:** The quality is generally high, as the companies that survive in this market do so through strong word-of-mouth and community reputation. They are typically well-versed in the needs of older homes common in the area. **Competition Level:** Moderate. While there aren't dozens of options, the existing providers are established and compete on service quality, expertise, and reliability rather than just price. **Typical Pricing:** Pricing is in line with regional averages. As a rough guide: * **Blown-In Cellulose/Fiberglass (Attic):** $1.50 - $3.50 per sq. ft. * **Spray Foam (Open Cell):** $2.50 - $4.50 per sq. ft. (closed cell is significantly higher) * **Wall Insulation (Blown-in):** $3.00 - $5.00 per sq. ft. of wall area. * **Full Attic Insulation Removal & Replacement:** $2,500 - $5,500+ depending on size and material. Homeowners in Winslow are advised to obtain at least two quotes and inquire directly about service fees for travel, as the contractor will be coming from a neighboring city. Many of these companies are also knowledgeable about available state and utility rebate programs for energy efficiency 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 Winslow regulations and climate
Get answers to common questions about insulation services in Winslow, Illinois.
Given Winslow's humid summers and cold winters with temperatures often dipping below freezing, the most impactful upgrades are air sealing and adding attic insulation. Proper air sealing prevents moisture-laden summer air from causing condensation in your walls and attic, which can lead to mold. For attics, boosting insulation to at least R-49 (about 16-18 inches of blown cellulose or fiberglass) is recommended to meet Illinois energy codes and combat our significant temperature swings.
Costs vary based on home size and material, but for a standard 1,500 sq. ft. attic in Winslow, blown-in cellulose or fiberglass insulation typically ranges from $1,500 to $2,500. Spray foam is more expensive, often $3,500 to $7,000 for the same area. It's important to get itemized quotes from local providers, as regional material availability and labor costs in Stephenson County influence pricing. Many Illinois utilities like ComEd offer rebates that can offset 10-30% of the project cost.
The ideal times are late spring (May-June) and early fall (September-October). These periods offer mild temperatures, allowing for proper installation of materials like spray foam that require specific climate conditions. Scheduling in these off-peak seasons also ensures better availability from local contractors compared to the high-demand late summer and winter periods when homeowners are urgently addressing high bills or drafts.
First, verify they are licensed, insured, and have positive reviews from other local homeowners. A reputable Winslow-area contractor should be knowledgeable about Illinois energy codes and the specific challenges of older homes common in the region, such as balloon framing or knob-and-tube wiring. Always ask for proof of local projects and check if they perform a pre-installation energy audit to accurately identify your home's needs.
Yes, many older Winslow homes have existing knob-and-tube wiring or lack proper roof and wall ventilation. Insulating over knob-and-tube wiring is a fire hazard and requires a licensed electrician to evaluate and potentially rewire first. Furthermore, adding insulation to old walls without assessing exterior siding and vapor barriers can trap moisture, leading to rot. A qualified local contractor will inspect for these issues specific to historic Illinois homes before proceeding.