NEC 220.82 · Zone 5B

Heat Pump Panel Check — Colorado

Is your Colorado 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 $10,000 in rebates available in Colorado

Serving Denver, Colorado Springs, Aurora, Fort Collins and all of Colorado

Available rebates in Colorado

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

Open

Colorado Program

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

HEEHRA program is active and accepting applications as of March 2026. Colorado homeowners with income ≤ 150% AMI are eligible for rebates up to $8,000 for heat pumps. Administered through the Colorado Energy Office. Contact them directly for current availability.

State / Utility

Colorado Programs

Xcel Energy Residential HVAC Rebates

$1,200
Details →

Colorado Energy Office Income-Qualified Heat Pump Program

$2,000
Details →

Estimated maximum combined rebates in Colorado

HEEHRA $8,000+ state programs $2,000 (IRA 25C expired Dec 31, 2025)

Low income (<80% AMI)

up to $10,000

Moderate income: up to $6,000

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

IECC 2021Zone 5B — Cool-Dry

Colorado climate and heat pump sizing

Colorado is classified as IECC 2021 Zone 5B — Cool-Dry. Typical winter design temperatures are 5°F to 15°F.

Cold-climate ASHP required. High-altitude locations add an elevation derate on heating output — size with margin.

Mountain and high-plains homes may have electric baseboard backup — ensure the panel calculation accounts for supplemental heat.

Colorado at a glance

IECC Zone5B
Design temp range5°F to 15°F
Cold-climate HP neededYes
Electrical codeNEC 220.82
Check my Colorado panel →

How the Colorado 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 Colorado 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 Colorado rebates you qualify for. Download the PDF to share with your contractor.

Frequently asked questions — Colorado

How much does a heat pump cost in Colorado?

In Colorado, 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 5B cost more but deliver lower operating costs. Combined rebates of up to $10,000 (HEEHRA + state programs) can offset a significant portion of installed cost.

Is HEEHRA available in Colorado?

Yes — Colorado has launched its HEEHRA program. Income-qualified households (under 80% AMI) can receive up to $8,000 for a qualifying heat pump. Moderate-income households (80–150% AMI) may receive up to $4,000. HEEHRA program is active and accepting applications as of March 2026. Colorado homeowners with income ≤ 150% AMI are eligible for rebates up to $8,000 for heat pumps. Administered through the Colorado Energy Office. Contact them directly for current availability.

What size heat pump do I need in Colorado?

Colorado falls in IECC 2021 Zone 5B — Cool-Dry. Typical winter design temperatures are 5°F to 15°F. Cold-climate ASHP required. High-altitude locations add an elevation derate on heating output — size with margin. Sizing requires a Manual J load calculation — but as a rough rule, allow 20–30 BTU/h per square foot for older homes in Colorado.

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

Not necessarily. Most 200A panels in Colorado 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 Colorado panel capacity now

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

Up to $10,000 in rebates available to qualifying Colorado homeowners.

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