The Best Insulation Contractors in New Castle, KY

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

#1

Koala Insulation of North Louisville

4.9
(150 reviews)
Verified

A highly-rated, full-service insulation contractor known for its expertise in both residential and commercial projects. They emphasize energy efficiency and use advanced diagnostic tools. Their service area explicitly includes Henry County and the regions around New Castle.

11013 Bluegrass Pkwy, Louisville, KY 40299 (Corporate office; serves New Castle)

Specialties & Features

Blown-in attic insulation
Spray foam insulation
Insulation removal and replacement

Business Information

Years in Business:8 years
Licensed:Yes
Insured:Yes
#2

Energy Solutions of Louisville

4.8
(90 reviews)
Verified

A specialist in home performance and energy efficiency upgrades. They are well-regarded for conducting comprehensive energy audits and providing solutions that include air sealing and insulation to create a "building envelope" approach.

12013 Electron Dr, Louisville, KY 40299 (Corporate office; serves New Castle)

Specialties & Features

Energy efficiency audits
Air sealing services
Attic insulation installation and upgrade

Business Information

Years in Business:12 years
Licensed:Yes
Insured:Yes
#3

Dr. Energy Saver - Louisville

4.7
(80 reviews)
Verified

Part of a national network of energy efficiency experts, this provider offers a wide range of services focused on reducing energy bills and improving home comfort. They are known for their professional assessments and knowledge of available rebates.

10400 Bluegrass Pkwy, Louisville, KY 40299 (Corporate office; serves New Castle)

Specialties & Features

Basement and crawl space insulation
Wall insulation services
Insulation removal and replacement

Business Information

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

Why These Are the Top Insulation Contractors in New Castle

The insulation market in New Castle, Kentucky, is characteristic of a small, rural community. There are very few, if any, dedicated insulation contractors physically located within the city limits. Homeowners and businesses in New Castle primarily rely on regional contractors based in the Louisville metropolitan area (Jefferson County) or from other nearby counties like Shelby or Oldham. These providers typically service a wide radius, encompassing New Castle and Henry County. The competition level is moderate, with several strong regional players vying for projects. The average quality of service available is high, as these companies are established, licensed, insured, and maintain excellent reputations online. Typical pricing is competitive with national averages, but project costs can vary significantly based on the home's size, the type of insulation selected (e.g., spray foam being more expensive than blown-in cellulose), and the scope of work (e.g., removal of old insulation adds to the cost). Homeowners are advised to seek multiple quotes and inquire about potential local utility rebates or federal tax credits for energy efficiency improvements, which these reputable providers are well-equipped to advise on.

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 New Castle regulations and climate

Frequently Asked Questions About Insulation in New Castle

Get answers to common questions about insulation services in New Castle, Kentucky.

1What is the recommended insulation level (R-Value) for attics in New Castle, KY, and why is it important for our climate?

For New Castle and most of Kentucky in Climate Zone 4, the U.S. Department of Energy recommends an attic insulation level of at least R-49 to R-60. This high R-value is crucial because our humid subtropical climate brings both hot, humid summers and cold winters. Proper attic insulation acts as a critical barrier, keeping heat out in summer and retaining warmth in winter, which directly reduces strain on your HVAC system and lowers energy bills year-round.

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

While insulation can be installed year-round, the ideal times in Kentucky are late spring (April-May) and early fall (September-October). These periods typically offer milder temperatures and lower humidity, making the installation process more comfortable for crews working in attics or crawl spaces. Scheduling during these shoulder seasons also ensures your home is properly sealed before the peak heating and cooling demands of summer and winter arrive.

3Are there any local rebates or incentives for upgrading insulation in Henry County, KY?

Yes, homeowners should first check with their local utility provider, as many in Kentucky, like Kentucky Utilities or Duke Energy, offer rebates for adding insulation to improve energy efficiency. Additionally, the state of Kentucky periodically offers weatherization assistance programs, and you may qualify for federal tax credits for certain insulation upgrades under the Inflation Reduction Act. A reputable local installer will be knowledgeable about current available incentives.

4How do I choose a reliable insulation contractor in the New Castle area?

Look for a licensed, insured, and locally established contractor with strong references from Henry County or surrounding areas. They should provide a detailed, written estimate that includes the type of material, R-value, and scope of work. It's also wise to choose a contractor familiar with common local issues like mitigating moisture in our humid climate and properly ventilating attics to prevent mold, which is a key concern for Kentucky homes.

5My older home has drafty floors; what's the best insulation solution for my crawl space?

For vented crawl spaces common in older New Castle homes, the most effective solution is typically encapsulating and insulating the crawl space walls rather than the floor above. This involves sealing vents, installing a vapor barrier on the ground and walls, and adding rigid foam or spray foam insulation to the foundation walls. This method prevents cold drafts, reduces moisture intrusion from our damp soil, and protects plumbing from freezing—a common concern during Kentucky's winter months.