Quick answer
- Dominion Energy SC and Berkeley Electric Coop both run residential HVAC incentive programs — eligibility varies by service territory.
- Programs typically reward high-efficiency equipment (SEER2 ≥ 16, heat pumps, smart thermostats) — verify current tiers.
- Rebates often require AHRI certification of the matched system — your contractor pulls this on the quote.
- Federal IRA 25C tax credits stack with utility rebates — claim both, not one or the other.
- Confirm program eligibility on every quote; rebate amounts change without notice.
Who serves your address
Coastal SC is split between two main residential utilities. Dominion Energy SC serves most of Charleston County (including downtown, West Ashley, Mt. Pleasant, James Island, and much of Johns Island). Berkeley Electric Cooperative serves Berkeley County, parts of Dorchester County, and outer Charleston suburbs.
Check your monthly bill or look up your address on each utility's website to confirm which one provides your power. The rebate programs are different, but both have HVAC-relevant tiers.
What utility rebates typically cover
Both Dominion Energy SC and Berkeley Electric Coop offer residential energy efficiency programs. Specifics change yearly, but historically they have covered:
- High-efficiency heat pumps (typically SEER2 ≥ 16 / HSPF2 ≥ 8.5) — the largest rebate tier.
- Smart thermostats (Nest, Ecobee, certain Honeywell models) — small instant rebate.
- Heat pump water heaters — separate tier, often the highest dollar amount per unit.
- Duct sealing and insulation upgrades when bundled with equipment replacement.
- Whole-home energy audits — sometimes free if you're considering a replacement.
The paperwork that matters
Most utility rebates require AHRI certification of the matched system (outdoor unit + indoor unit + air handler combination). The AHRI certificate proves the matched system meets the rated efficiency tier — you can verify it at ahridirectory.org.
The contractor typically files the rebate paperwork on your behalf or provides you the forms. Either way, the AHRI number, equipment model numbers, and install date are required. Keep a copy of your install invoice and the AHRI certificate in case the utility requests them later.
Stack with federal credits
The federal IRA 25C tax credit (Energy Efficient Home Improvement Credit) applies independently of utility rebates. For most HVAC upgrades that qualify for utility rebates, you can claim BOTH — the utility credit reduces your install bill, and the federal credit reduces your federal tax liability.
We have a separate guide on IRA 25C — same Learning Center. Read both before signing a quote so you know the total stacked savings.
What to do next
Tell us which utility serves your address and we'll confirm currently active rebate tiers. We'll quote equipment that hits the rebate threshold AND meets your house's actual load — never one or the other.
Have a question about your system?
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