The Best Insulation Contractors in Lee, IL

Compare the highest-rated insulation professionals in Lee, Illinois. All contractors are licensed, insured, and verified through our rigorous screening process.

#1

All Weather Seal of Northern Illinois

4.8
(180 reviews)
Verified

A highly-rated, full-service insulation and energy efficiency contractor serving the broader Northern Illinois region, including Lee County. They are known for comprehensive energy audits, professional installations, and a strong focus on customer education. They are a Quality Insulation Contractor (QIC) and work with materials from leading brands like Owens Corning.

11213 Pyramid Dr, Oregon, IL 61061 (This is their main office, but they serve Lee, IL)

Specialties & Features

Attic insulation installation and upgrade
Spray foam insulation
Energy efficiency audits

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
#2

A+ Insulation

4.7
(90 reviews)
Verified

A professional insulation contractor based in the Rochelle area, making them a very local and accessible option for residents of Lee. They emphasize a wide range of services from basic blown-in attic insulation to more complex spray foam applications and insulation removal. Their local presence ensures familiarity with area homes and building practices.

6471 E IL Rte 38, Rochelle, IL 61068 (Located very close to Lee)

Specialties & Features

Blown-in insulation installation
Insulation removal and replacement
Basement and crawl space insulation

Business Information

Years in Business:10 years
Licensed:Yes
Insured:Yes
#3

DeKalb Insulation

4.6
(70 reviews)
Verified

A well-established local contractor known for reliability and expertise in various insulation types. They serve DeKalb County and the surrounding areas, including Lee. They are recognized for their work in both new construction and retrofit projects, offering solutions for walls, attics, and crawl spaces to improve home comfort and efficiency.

Specialties & Features

Wall insulation services
Blown-in insulation installation
Air sealing services

Business Information

Years in Business:20 years
Licensed:Yes
Insured:Yes

Why These Are the Top Insulation Contractors in Lee

The insulation market in Lee, Illinois, is characteristic of a rural/small-town area. There are no major national chains physically located within the village itself. Instead, the market is served by reputable, regional contractors from neighboring towns like Rochelle, Oregon, and DeKalb. This creates a moderately competitive environment where service quality, reputation, and local word-of-mouth are paramount. The average quality of available contractors is high, as these smaller companies survive by building and maintaining a strong local reputation. Pricing is typically competitive and in line with regional averages, but can vary significantly based on the project scope, insulation material (e.g., spray foam is premium), and the size of the home. Homeowners in Lee benefit from contractors who are familiar with the climate challenges of Northern Illinois and any relevant local utility rebates, though selection may require looking a short distance outside the immediate village limits.

High Ratings

4.7+ star average from verified customer reviews

Fully Licensed

All contractors are properly licensed and insured

Proven Experience

10+ years average experience in the industry

Local Experts

Familiar with Lee regulations and climate

Frequently Asked Questions About Insulation in Lee

Get answers to common questions about insulation services in Lee, Illinois.

1What is the recommended insulation level (R-Value) for attics in Lee, IL, and why is it specific to our area?

For Lee, IL, which experiences cold winters and hot, humid summers, the U.S. Department of Energy recommends an attic insulation level of R-49 to R-60. This high R-Value is crucial to combat our significant temperature swings, reducing heat loss in winter and heat gain in summer. Properly meeting this target is the single most effective upgrade for improving year-round comfort and lowering energy bills for local homes.

2When is the best time of year to have insulation installed in my Lee home?

While insulation can be installed year-round, the ideal times in Northern Illinois are late spring (May-June) and early fall (September-October). These periods typically offer mild, dry weather, which is optimal for projects like attic work where extreme summer heat or winter cold can make installation difficult and unsafe for crews. Scheduling during these shoulder seasons also ensures your home is prepared before the peak heating and cooling demands arrive.

3Are there any local Illinois or Lee-specific rebates or incentives for upgrading my insulation?

Yes, Illinois homeowners should first explore the "Illinois Home Performance with ENERGY STAR" program, which offers incentives for comprehensive energy upgrades, including insulation. Additionally, Lee residents served by ComEd or Nicor Gas should check their websites for direct rebates on insulation services. Finally, remember that qualifying insulation materials are often exempt from Illinois state sales tax (6.25%), providing immediate savings on material costs.

4How do I choose a reputable insulation contractor in the Lee area?

Always choose a contractor licensed and insured to work in Illinois. Look for local companies with strong references in Lee or surrounding DeKalb County and verify they perform a thorough energy audit or assessment before quoting. A reputable provider will be knowledgeable about the specific vapor barrier and ventilation requirements for our climate to prevent moisture issues, which is a critical local consideration.

5My older Lee home feels drafty. Should I add new insulation over the old, or does the old need to be removed first?

This depends on the condition and type of existing insulation. If the old insulation is dry, mold-free, and not compacted (like loose-fill or batts), adding new material over it is often acceptable and cost-effective. However, if there is any evidence of moisture damage, mold, or animal infestation—common in older area homes—complete removal is necessary to address health hazards and ensure the new insulation performs properly. A professional assessment is key.