IECC 4AHEEHRA Live
NEC 220.82 Optional Method

Heat Pump Panel Check — Capitol Hill, Washington DC

Is your Capitol Hill home ready for a heat pump? Check your electrical panel capacity in 3 minutes — free. Up to $10,000 in Washington DC rebates available in 2026.

IRA 25C expired Dec 31, 2025. Not available for 2026 installations. State and utility programs are the primary incentives for Capitol Hill homeowners.

Available rebates — Capitol Hill, Washington DC

Verified March 2026

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

Federal

EXPIRED

IRA 25C Tax Credit

$0

Expired December 31, 2025. Not available for systems installed in 2026. Claim on 2025 tax return if installed before that date (IRS Form 5695).

Geothermal only: 25D still active — 30%, no cap, through 2032.

HEEHRA — Washington DC

Live

Heat Pump Rebate

$8,000

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

Point-of-sale — no tax liability required

State / Utility

Washington DC Programs

Pepco DC Residential Rebates

$700

Pepco (an Exelon company)

DC Sustainable Energy Utility (DCSEU) — Income Qualified

$1,300

DC Sustainable Energy Utility

Full Washington DC rebate breakdown →

Confirmed maximum rebates for Capitol Hill homeowners

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

Current confirmed programs

up to $10,000

ESTIMATE ONLY. Programs not all stackable. Income verification required for HEEHRA. Verify with your state energy office before purchasing.

IECC 2021Zone 4A — Mixed-Humid

Capitol Hill climate & heat pump sizing

Capitol Hill falls in IECC 2021 Zone 4A — Mixed-Humid. Mixed climate with meaningful winter heating demand. A cold-climate rated ASHP is recommended for reliable winter performance.

Typical installed cost in Capitol Hill: $6,000–$15,000 for a whole-home air-source system (2026). Ductwork, electrical, and panel upgrades add cost.

Before any installation, an NEC 220.82 panel capacity check confirms whether your existing electrical service has headroom — potentially avoiding a $5,000–$10,000 upgrade.

Capitol Hill, Washington DC quick facts

IECC Climate Zone4A
Typical install cost$6,000–$15,000
Max confirmed rebate$10,000
HEEHRA statusLive
IRA 25C creditExpired Dec 31, 2025
Cold-climate HP requiredRecommended
Electrical codeNEC 220.82
Check my Capitol Hill panel →

Frequently asked questions — Capitol Hill

Does my electrical panel in Capitol Hill have room for a heat pump?

Most 200A panels in Capitol Hill have enough headroom for a heat pump under NEC 220.82 Optional Method load calculations — which account for load diversity rather than worst-case simultaneous demand. A 100A panel is more likely to require an upgrade, especially if you also plan to add an EV charger or electric range. Our free 3-minute audit runs the same NEC 220.82 Optional Method your electrician would use — no site visit required for a preliminary assessment.

What heat pump rebates are available in Capitol Hill, Washington DC?

Capitol Hill homeowners can access Washington DC state and utility rebates, plus HEEHRA federal rebates: up to $8,000 for low-income households (< 80% AMI) or $4,000 for moderate-income (80–150% AMI). The top state/utility program is Pepco DC Residential Rebates (Pepco (an Exelon company)), offering up to $700 for qualifying heat pumps. IRA 25C expired December 31, 2025 and is not available for 2026 installations.

How much does a heat pump cost in Capitol Hill?

In Capitol Hill, a whole-home air-source heat pump typically costs $6,000–$15,000 installed (2026 estimates). That range includes equipment and labor; ductwork modifications, electrical work, or panel upgrades add cost. IECC Zone 4A means a standard ASHP handles the heating season without cold-climate specifications. Combined Washington DC rebates can offset part of the total — verify program availability before purchasing.

Is the IRA 25C tax credit available for Capitol Hill homeowners?

No. The IRA Section 25C non-refundable tax credit expired December 31, 2025. It is not available for heat pump systems installed in 2026. If your system was installed before December 31, 2025, you can still claim it on your 2025 federal tax return (IRS Form 5695). For 2026, the remaining federal incentive is HEEHRA (where Washington DC has an active, funded program). Geothermal heat pumps may still qualify for Section 25D (30%, no cap, through 2032).

What IECC climate zone is Capitol Hill in?

Capitol Hill falls in IECC 2021 Zone 4A — Mixed-Humid. Mixed climate with meaningful winter heating demand. A cold-climate rated ASHP is recommended for reliable winter performance. For exact sizing, a Manual J load calculation is required — but as a rough starting point, allow 20–30 BTU/h per square foot for older Capitol Hill homes.

Check your Capitol Hill panel capacity now

Free NEC 220.82 load calculation. Takes 3 minutes. Find out if your Capitol Hill home is ready for a heat pump — before you spend $5,000–$10,000 on an unnecessary panel upgrade.

Up to $10,000 in confirmed Washington DC rebates available in 2026.

Incentive data verified March 2026. Programs change frequently. ESTIMATE ONLY. Confirm eligibility with your state energy office before purchasing.