NEC 220.82 · Zone 4A

Heat Pump Panel Check — Kentucky

Is your Kentucky home ready for a heat pump? Check your electrical panel capacity in 3 minutes — free. Same NEC 220.82 Optional Method your electrician uses.

Up to $500 in rebates available in Kentucky

Serving Louisville, Lexington, Bowling Green, Owensboro and all of Kentucky

Available rebates in Kentucky

ESTIMATE ONLY — amounts and eligibility change. Verify with program administrators before purchasing.

Federal — Expired

IRA 25C Tax Credit

$0

IRA Section 25C expired December 31, 2025. Not available for heat pump systems installed in 2026.

Installed before Dec 31, 2025? Claim on your 2025 tax return (IRS Form 5695).

HEEHRA

Pending

Kentucky Program

$8,000
Low income (<80% AMI)$8,000
Moderate (80–150% AMI)$4,000

Kentucky has not yet launched its HEEHRA program as of March 2026. Contact the Kentucky Energy and Environment Cabinet for updates. IRA 25C tax credit expired Dec 31, 2025.

State / Utility

Kentucky Programs

LG&E and KU Home Performance with ENERGY STAR

$500
Details →

Duke Energy Kentucky Residential Rebates

$400
Details →

Estimated maximum combined rebates in Kentucky

HEEHRA $0+ state programs $500 (IRA 25C expired Dec 31, 2025)

Low income (<80% AMI)

up to $500

ESTIMATE ONLY. Amounts vary by income, equipment specifications, and program availability. Not all programs are stackable. Verify eligibility before purchasing equipment.

IECC 2021Zone 4A — Mixed-Humid

Kentucky climate and heat pump sizing

Kentucky is classified as IECC 2021 Zone 4A — Mixed-Humid. Typical winter design temperatures are 10°F to 22°F.

Cold-climate heat pumps (rated to -13°F) are recommended for primary heating. Standard units lose efficiency below 20°F.

Zone 4A is the sweet spot for heat pump ROI — cold enough to benefit from efficiency gains, mild enough to avoid extreme cold-weather output loss.

Kentucky at a glance

IECC Zone4A
Design temp range10°F to 22°F
Cold-climate HP neededRecommended
Electrical codeNEC 220.82
Check my Kentucky panel →

How the Kentucky panel check works

Three inputs, one clear answer. No electrician visit required for a preliminary NEC 220.82 assessment.

01

Enter your ZIP + panel details

Your ZIP code in Kentucky pre-loads your IECC zone and available rebates. Add your panel size, square footage, and existing loads.

02

NEC 220.82 calculation runs

The Optional Method — first 10 kVA at 100%, remainder at 40%, plus the largest of AC / heat pump / existing heat. Same standard your electrician uses.

03

PASS, WARN, or FAIL — plus rebates

Get exact amperage figures, upgrade recommendation if needed, and a full breakdown of Kentucky rebates you qualify for. Download the PDF to share with your contractor.

Frequently asked questions — Kentucky

How much does a heat pump cost in Kentucky?

In Kentucky, a whole-home air-source heat pump typically costs $5,000–$14,000 installed, depending on home size, system type, and contractor. Cold-climate models for zones like Zone 4A cost more but deliver lower operating costs. Combined rebates of up to $500 (state programs) can offset a significant portion of installed cost.

Is HEEHRA available in Kentucky?

Kentucky's HEEHRA program has not yet launched but is expected to open. Kentucky has not yet launched its HEEHRA program as of March 2026. Contact the Kentucky Energy and Environment Cabinet for updates. IRA 25C tax credit expired Dec 31, 2025. Check your state energy office for updates. Note: the federal IRA 25C tax credit expired December 31, 2025 and is not available for new 2026 installations.

What size heat pump do I need in Kentucky?

Kentucky falls in IECC 2021 Zone 4A — Mixed-Humid. Typical winter design temperatures are 10°F to 22°F. Cold-climate heat pumps (rated to -13°F) are recommended for primary heating. Standard units lose efficiency below 20°F. Sizing requires a Manual J load calculation — but as a rough rule, allow 20–30 BTU/h per square foot for older homes in Kentucky.

Do I need a panel upgrade for a heat pump in Kentucky?

Not necessarily. Most 200A panels in Kentucky have headroom for a heat pump under the NEC 220.82 Optional Method — which accounts for diversity of loads rather than peak simultaneous demand. A 100A panel is more likely to require an upgrade, especially if you also have an EV charger or electric range. Our free audit calculates your exact available capacity in 3 minutes using the same method your electrician would use.

Check your Kentucky panel capacity now

Free NEC 220.82 load calculation. Takes 3 minutes. Find out if your Kentucky home is ready for a heat pump — before you spend $5,000 on an unnecessary panel upgrade.

Up to $500 in rebates available to qualifying Kentucky homeowners.

ESTIMATE ONLY — NEC 220.82 Optional Method. Verify all results with a licensed electrician before any panel modifications.