Compare the highest-rated insulation professionals in Indianapolis, Indiana. All contractors are licensed, insured, and verified through our rigorous screening process.
A highly-rated, locally-focused company that specializes in comprehensive home envelope solutions. While known for waterproofing, they have a strong division dedicated to insulation and air sealing, particularly for basements, crawl spaces, and attics. They are recognized for their professionalism, thorough energy efficiency audits, and knowledge of local building codes and rebates.
Part of a national brand with a strong local franchise, Koala has built an excellent reputation for a wide range of insulation services. They emphasize eco-friendly solutions and are experts in both new installations and removal/replacement of old insulation. Their services are comprehensive, covering all the key areas from attic to basement.
As a longstanding, family-owned business, Indiana Foundation Service has deep roots in the community. While their primary focus is on foundation repair, they offer extensive insulation services, particularly for areas that impact the home's foundation and energy efficiency, such as crawl spaces and basements. They are known for their expertise and high customer satisfaction.
The insulation market in Indianapolis is robust and competitive, driven by the city's climate which features cold winters and hot, humid summers, creating a high demand for energy-efficient home solutions. The average quality of service providers is good, with a clear distinction between general handymen and specialized, certified insulation contractors. Competition is strong, which benefits consumers through competitive pricing and a focus on customer service. Typical pricing varies significantly based on the project scope and material. Basic attic blown-in cellulose insulation can range from $1,500 to $3,500 for an average home. Spray foam insulation is a premium service, often costing between $2.00 and $4.50 per board foot, making a full attic project range from $4,000 to $8,000 or more. Crawl space encapsulation and insulation typically range from $5,000 to $15,000. Many providers are well-versed in local utility rebates (e.g., from Citizens Energy Group) and federal tax credits, which can help 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 Indianapolis regulations and climate
Get answers to common questions about insulation services in Indianapolis, Indiana.
For our climate zone (Zone 4), the U.S. Department of Energy recommends an attic R-value of R-49 to R-60. This high level is crucial to combat Indianapolis's wide temperature swings, from humid summers to cold winters, ensuring energy efficiency and comfort year-round. Many older homes in the area are under-insulated, so an upgrade to this range is one of the most impactful improvements you can make.
While insulation can be installed year-round, the ideal times are late spring (April-May) and early fall (September-October). These periods typically offer mild, dry weather, which is optimal for attic work and allows contractors more scheduling flexibility before the extreme summer heat or winter cold hits. Planning ahead for these seasons is wise, as reputable Indianapolis contractors book up quickly.
Yes, Indianapolis homeowners should first check for rebates through Citizens Energy Group and the Energizing Indiana program, which occasionally offers incentives. Furthermore, the federal tax credits for energy efficiency (up to $1,200 annually) apply to qualified insulation upgrades, making it a financially smart investment. Always verify current program details with your contractor or the Database of State Incentives for Renewables & Efficiency (DSIRE).
Look for a licensed, insured contractor with strong local experience who provides a detailed, in-home assessment and written estimate. Check for membership in local associations like the Builders Association of Greater Indianapolis (BAGI) and read verified reviews on platforms like Angi. A trustworthy provider will be knowledgeable about Indiana's building codes and the specific challenges of our regional climate.
Absolutely, uninsulated or poorly insulated walls are a common source of drafts and high energy bills in many of Indianapolis's older homes. For existing structures without open walls, the most common and effective solution is blown-in insulation (cellulose or fiberglass), which is installed through small holes drilled in the exterior siding or interior walls. This method is minimally invasive and significantly improves the building envelope's thermal performance.