A+ Derr Heating & Cooling

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50Years Active

A+ Derr Heating & Cooling

Name: A+ Derr Heating & Cooling
Address: 1225 Gardiner Lane, Louisville, Kentucky, 40213, US
Telephone: 833-232-4328

1225 Gardiner Lane, Louisville, Kentucky, 40213

833-232-4328 Website Request Quote

50+ Years Exp.

Residential / Commercial Projects

Verified Contractor

Reviews are still building. Here's why we list this contractor:

50+ years in business
Established contractor
Verified by GeothermalFinder
Listing reviewed by our editorial team

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About the Contractor

A+ Derr Heating & Cooling is a fourth-generation, family-owned HVAC contractor with over 50 years of service to the Kentuckiana region. Operating from Louisville, Kentucky, and Newburgh, Indiana, the company offers geothermal system installations and replacements, alongside repair and twice-yearly maintenance programs. Their dedicated geothermal page describes evaluating whether horizontal or vertical ground loops make sense for each site, including soil-condition assessment and access points for drilling or trenching — indicating real loop-side design work, not product-line upselling. A+ Derr holds Lennox Premier Dealer status and multi-state licensing in Kentucky (HM06269) and Indiana (HAC31423), serving residential and light-commercial customers across the region. The Louisville office at 1225 Gardiner Lane is the primary Kentucky service address.

Verified active operator per https://aplusderr.com/heating/geothermal/ + BBB Newburgh IN profile (KY HOLD-upgrade import 2026-05-28)

Louisville KY geothermal contractor. Horizontal & vertical loop installs, Lennox Premier Dealer, 50+ years. Licensed KY HM06269 & IN.

Service Details

Years in Business

50 years

Brands Installed

Lennox

Service Area

Serves 8 areas across Kentucky

Louisville Henderson Shepherdsville Clarksville Jeffersonville New Albany Evansville Newburgh

Browse verified installers in these areas:

Louisville Henderson Shepherdsville Clarksville Jeffersonville New Albany Evansville Newburgh

Regulatory Context

Geothermal Permitting in Kentucky

Geothermal heat pump installations in Kentucky require specific permits and compliance with state regulations regarding well drilling, loop installation, and refrigerant handling. Contact your local building department for specific requirements in your area.

See full geothermal regulations →

Frequently Asked Questions

How much does geothermal installation cost in Louisville, Kentucky?

Geothermal heat pump installation in Louisville typically costs between $18,000–$45,000 depending on system size, loop type (vertical vs. horizontal), lot conditions, and home square footage. Available state and utility incentives can reduce net cost (federal §25D credit ended Dec 31, 2025 under OBBBA; §48 commercial ITC may still apply). Request quotes from multiple certified installers in Kentucky to compare pricing.

Do I need a permit for geothermal drilling in Kentucky?

Most Kentucky municipalities require permits for geothermal well drilling and ground loop installation. Requirements vary by county — some require driller licensing, environmental impact review, or water well permits. Your geothermal installer should handle the permitting process. Contact your local Louisville building department for specific requirements.

How long does a geothermal system last in Louisville?

Geothermal heat pumps typically last 20–25 years for the indoor unit and 50+ years for the ground loop. In Louisville's climate, a properly maintained system provides reliable heating and cooling with minimal degradation. Annual professional maintenance and filter changes every 3 months help maximize system lifespan.

Is my property in Louisville suitable for geothermal?

Most properties in Louisville, Kentucky can support geothermal systems. Vertical loop systems require minimal land area (as little as a standard residential lot), while horizontal loops need more yard space. A qualified installer will conduct a site assessment including soil conductivity testing to determine the best loop configuration for your property.

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Listing data verified as of: May 28, 2026

Regulatory Context

Geothermal Regulations in Kentucky

Geothermal heat pump installations in Kentucky may require drilling permits, environmental site assessments, and compliance with local well and thermal energy regulations. Requirements vary by jurisdiction and system type (vertical, horizontal, open-loop). Contact your local municipality, state energy office, or a licensed geothermal installer for specific permitting requirements in your area.

Browse all geothermal contractors in Louisville, Kentucky →

Browse Directory

More Geothermal System Contractors in Kentucky

Geothermal By Design, LLC Louisville, Kentucky Allgeier Air Louisville, Kentucky Automatic Air Corporation Louisville, Kentucky Jarboe's Heating, Cooling & Plumbing Louisville, Kentucky A.N. Roth Company Louisville, Kentucky Wm. Branch & Son, Inc. Louisville, Kentucky

Browse all geothermal contractors in Kentucky →

Listing data last checked: May 28, 2026

Reviews

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Category: Geothermal Contractors

Address: 1225 Gardiner Lane
Louisville
Kentucky
40213
United States

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