Compare the highest-rated insulation professionals in Harristown, Illinois. All contractors are licensed, insured, and verified through our rigorous screening process.
A family-owned and operated business with a strong focus on energy efficiency and customer service. They are known for their meticulous installation of both spray foam and blown-in insulation, and they often partner with energy auditors to provide comprehensive home performance solutions.
This provider takes a holistic "building science" approach to insulation. They are highly rated for their thorough energy audits and air sealing services, which they use to diagnose issues before proposing insulation solutions. They are a certified BPI (Building Performance Institute) contractor.
A reliable and long-standing contractor known for a wide range of insulation services at competitive prices. They are a good choice for more standard projects like attic insulation upgrades and wall insulation, and they have extensive experience with local building codes and utility rebate programs.
The insulation market serving Harristown, IL is characterized by a small number of highly specialized regional contractors rather than local in-town providers. Due to Harristown's size and proximity to Decatur and Springfield, the competition is healthy among these established companies, which drives a focus on quality and service. The average quality of service is high, as these businesses rely on reputation and word-of-mouth in the broader Central Illinois region. Typical pricing is in line with Midwestern averages. 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 insulation material (e.g., cellulose vs. fiberglass). Spray foam insulation is a premium service, typically ranging from $3,500 to $7,500+ for an entire attic. Most reputable contractors offer free estimates and are knowledgeable about local utility rebates (e.g., from Ameren Illinois) and federal tax credits, which can significantly offset the cost of energy-efficient 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 Harristown regulations and climate
Get answers to common questions about insulation services in Harristown, Illinois.
For Harristown's climate, with its cold winters and hot, humid summers, achieving a high R-value is crucial. Blown-in cellulose or fiberglass is often the most effective for attics, as it fills irregular spaces and provides excellent thermal resistance (typically aiming for R-49 to R-60). This helps combat both winter heat loss and summer heat gain, directly lowering your heating and cooling bills year-round.
For a standard 1,500 sq ft attic in Harristown, adding blown-in insulation typically ranges from $1,500 to $3,500, depending on material, depth (R-value), and accessibility. Local factors like our higher humidity can influence material choice and cost. Always get itemized quotes from local contractors that detail the R-value to be installed, as this is more important than just the quoted price per square foot.
The ideal times are late spring (April-May) and early fall (September-October). These periods typically offer mild weather, allowing contractors to work efficiently without the extreme attic heat of summer or the scheduling delays and cold of winter. Planning ahead for these windows is wise, as reputable local installers can book up quickly before the peak heating and cooling seasons.
Yes. Illinois homeowners should explore the **Illinois Home Weatherization Assistance Program (IHWAP)** for income-qualified residents and the **ComEd and Ameren Illinois Energy Efficiency Programs**, which often offer rebates for insulation upgrades. Additionally, the federal Inflation Reduction Act provides tax credits for qualified energy-efficient home improvements, making it a great time to invest in better insulation.
Prioritize local, licensed, and insured contractors with strong references in the Central Illinois region. They should perform a thorough energy audit or inspection to identify specific air leaks and insulation gaps unique to older Harristown homes. Ensure they are familiar with Illinois building codes for vapor barriers, which are important for managing our humid summers and preventing moisture issues within your walls and attic.