Summer 2025 broke records across the Sun Belt and the Northeast was no joke either. AC and heat-pump quotes are spiking — but so are the tax credits. Here's what a 2026 cooling install actually costs, what changed with refrigerants (R-410A is gone), and which IRA incentives still stack.
What AC and heat pumps cost in 2026 (installed)
Equipment plus labor, US national mid-range — coastal metros (NYC, SF, Boston) run 15-25% higher; the Sun Belt is usually at or slightly below these numbers.
- Central AC replacement (3-ton): $5,500-$9,500 installed. Like-for-like swap, existing ductwork, R-454B or R-32 condenser, 15.2-17 SEER2.
- Central AC + new ductwork: $9,000-$15,000. Adds 2-3 days of labor, drywall patch, and permit-required pressure test.
- Heat pump (whole house, ducted): $8,500-$16,000. Replaces AC + furnace; eligible for the IRA 25C credit (up to $2,000).
- Mini-split (single zone): $2,800-$5,500. Wall cassette + outdoor condenser, no ducts. Popular for additions, garages, sunrooms.
- Multi-zone mini-split (3-4 heads): $9,000-$16,000. One outdoor unit, multiple indoor heads — good for old houses without ductwork.
The refrigerant transition is real
R-410A is phased out for new equipment as of January 1, 2025. New residential AC and heat pumps now ship with R-454B (most major brands) or R-32 (some mini-splits). Both have a much lower global-warming potential.
Practical impact for you: if a contractor is quoting R-410A new equipment in 2026, that's old stock — usually fine, but ask whether they'll still service it in 5-8 years when the refrigerant becomes restricted. Most reputable shops won't sell R-410A anymore.
IRA tax credits and rebates (still alive in 2026)
The Inflation Reduction Act incentives didn't go away. What's available right now:
- 25C tax credit (Energy Efficient Home Improvement): 30% of cost, capped at $2,000/year for qualifying heat pumps. Must meet CEE Tier 2 efficiency. Resets every tax year — so doing the heat pump in 2026 and a panel upgrade in 2027 stacks fully.
- HEEHRA point-of-sale rebates: Up to $8,000 for heat pumps for low/moderate-income households. Rollout is state-by-state; New York, California, and Maine have it live, most other states ramping through 2026. Check your state energy office.
- Utility rebates: Most regional utilities still offer $300-$1,500 on ENERGY STAR heat pumps. Stacks with the federal credit.
- State income tax credits: MA, NY, MD, VT have their own credits ($500-$1,500).
Net effect on a $12,000 heat-pump install: $2,000 federal + $800 utility + $500 state = $3,300 off, bringing real cost to ~$8,700. The contractor should walk you through this before you sign.
SEER2, HSPF2, and the spec sheet
SEER2 (cooling) and HSPF2 (heating) replaced the old SEER/HSPF ratings in 2023 with stricter test methods. A 16 SEER2 system is roughly equivalent to an old 17 SEER. For 2026:
- Minimum legal: 14.3 SEER2 (North), 14.3-15.2 SEER2 (South), 14.3-15.2 SEER2 (Southwest).
- For the 25C credit: 17 SEER2 / 9.5 HSPF2 minimum for split heat pumps (CEE Tier 2). Most installers will steer you here automatically.
- Premium tier: 18-22 SEER2. Worth it in hot climates with high cooling loads; marginal ROI in temperate zones.
Where contractors hide markup
Three line items to scrutinize on any AC quote:
- “Sizing assessment”: Should be a Manual J load calc — not a square-footage rule of thumb. A quote without a Manual J reference is guessing. Oversized systems short-cycle and waste energy; undersized ones run constantly.
- Refrigerant lines & copper: Reuse of existing lines is fine for like-for-like swaps if pressure-tested and flushed. New lines on a different refrigerant should be replaced, not converted.
- Permit + commissioning: Required almost everywhere. A quote with “no permit” is the contractor pocketing the permit fee and exposing you to a code violation when you sell.
Heat pump vs straight AC: the 2026 math
If your furnace is <10 years old and your gas is cheap, a like-for-like AC replacement is the obvious move. If your furnace is approaching 15+ years OR you're on propane / oil / electric resistance, a heat pump replaces both at once and the IRA credit knocks $2,000 off — making the upfront cost roughly comparable to AC + new furnace.
Cold-climate heat pumps (Mitsubishi Hyper-Heat, Bosch IDS, etc.) now hold rated capacity down to -13°F. The old “heat pumps don't work up north” argument is no longer accurate for current equipment.
Annual operating cost
Mid-grade 3-ton, central US climate, typical home:
- Cooling-only AC: $400-$700/year electricity for cooling.
- Heat pump (cool + heat): $900-$1,500/year combined. Beats gas furnace + AC in most climates when electricity rates are reasonable.
- Annual maintenance: $150-$250/year for a service contract. Skipping it voids most manufacturer warranties.
Get a real quote
Contractors using Kwotly send itemized quotes that show equipment model, refrigerant type, SEER2 rating, IRA credit eligibility, and the deposit flow on a branded page you can review and sign online. Photo or video walk-around of the existing system + your layout, and the draft comes back in under two minutes.
The most expensive AC quote of 2026 is the one written in 2023 numbers by a contractor who hasn't updated his pricing. Get three current quotes, compare apples to apples, and let the IRA credit do its job.