Short answer
Replacing a central AC system in Texas costs $5,500–$8,000 for a budget 14–15 SEER2 unit, $7,500–$10,500 for a mid-tier 15–17 SEER2 system, and $10,000–$13,500 for premium 18–22 SEER2. A heat pump that replaces both AC and heating runs $7,500–$15,000. For most Texas homes, 15–17 SEER2 is the value sweet spot.
Your AC is dying or dead. The first quote came in at $9,500. The second at $12,200. The third at $7,200. What's a real price? In 2026, full AC replacement in Texas runs $5,500–$13,000 depending on tonnage, efficiency rating, brand, and what other work is needed at install. Here is the honest breakdown - what's reasonable, what's overpriced, and where you can save without buying a worse unit.
2026 Texas AC Replacement Cost Ranges
| System tier | Specification | Installed cost |
|---|---|---|
| Budget | 14–15 SEER2, single-stage, basic install | $5,500–$8,000 |
| Mid-tier | 15–17 SEER2, two-stage, quality install | $7,500–$10,500 |
| Premium | 18–22 SEER2, variable-speed, premium brand | $10,000–$13,500 |
| Heat pump | Replaces AC and heating in one system | $7,500–$15,000 |
| Mini-split / ductless | Per zone, 1–4 zones typical | $4,000–$8,000 |
These cover unit, labor, refrigerant, code-required venting and electrical, permit, and disposal of the old unit. Add-on work (ductwork, electrical upgrades, line set replacement) is extra.
What Determines Your Price
1. Tonnage (Size)
Sized in tons. Rule of thumb for Texas:
- Under 1,200 sq ft: 1.5–2 tons
- 1,200–1,800 sq ft: 2–3 tons
- 1,800–2,500 sq ft: 3–3.5 tons
- 2,500–3,500 sq ft: 3.5–5 tons
- 3,500+ sq ft: 5+ tons (often two systems)
These are rough. Proper sizing requires a Manual J load calculation that accounts for insulation, windows, sun exposure, and ceiling height. Most Texas homes built between 1995–2010 are oversized 1–2 tons because builders used rule-of-thumb sizing. An oversized unit short cycles, doesn't dehumidify, and wears out faster. If your old unit was oversized, the right replacement might be smaller - and cheaper.
2. SEER2 Rating (Efficiency)
SEER2 = Seasonal Energy Efficiency Ratio (2023 standard). Higher = more cooling per watt of electricity.
14 SEER2 (legal minimum in Texas as of 2023): cheapest, basic.
15–16 SEER2: modest efficiency improvement, worth the small premium.
17–18 SEER2: noticeable efficiency, two-stage compressor, better humidity control.
19–22 SEER2: premium tier. Variable-speed inverter compressor. Quietest, most efficient. Big premium.
Texas payback math: Going from 14 to 16 SEER2 saves around 12% on cooling bills. With Texas cooling running roughly $1,200–2,000/year, that's $144–240/year. Premium of $400–800. Payback: 2–6 years. Worthwhile.
Going from 16 to 20 SEER2 saves another ~15%. Premium of $1,500–3,000. Payback: 8–15 years. Marginal in Texas climate.
Honest recommendation for most Texas homeowners: 15–17 SEER2 is the sweet spot. Premium tier rarely pays for itself before the unit needs replacing.
3. Single-Stage vs. Two-Stage vs. Variable
Single-stage: On or off, full blast. Cheapest.
Two-stage: Low (~65%) for normal cooling, high for hot afternoons. Better humidity control, less short cycling. $500–1,200 premium.
Variable-speed inverter: Continuously adjusts between 30–100%. Quietest. Best humidity control. $1,500–3,500 premium.
Texas-specific: Two-stage is genuinely useful here because of long shoulder seasons (April-May, October-November) where the system would otherwise short-cycle. Variable-speed is luxury but pays back faster in long humid summers than in dry climates.
4. Brand
Most major HVAC manufacturers make solid units when the equipment is properly matched and installed. The biggest differences are warranty terms, parts availability, dealer network, and installer support.
Premium tier: Carrier, Trane, Lennox. Best dealer networks, strong warranties, highest unit prices.
Mid-tier (best value): Bryant, American Standard, Rheem, Ruud, Heil, Tempstar. Same parent companies as the premium tier. 10-year compressor warranty common.
Budget tier: Goodman, Amana, Payne, Daikin, Haier. Goodman and Amana have outstanding warranties (often lifetime compressor when registered) but shorter dealer networks.
Texas reality: Brand matters, but installer skill matters more. A correctly sized, carefully installed mid-tier unit can outperform a premium unit that was rushed or poorly matched. Spend as much attention on the installer as on the brand label.
5. AC-Only vs. Full System (AC + Air Handler / Furnace)
If your air handler or furnace is also 12+ years old, replacing only the outdoor condenser usually doesn't make sense. The new condenser will be paired with old indoor coils that may not match efficiency or refrigerant type. SEER ratings only apply to matched systems.
Replacing the full system (outdoor condenser + indoor coil + air handler) is often cheaper per-component than replacing them separately over 5 years.
Hidden Costs in the Quote
Refrigerant line set replacement: $400–$1,200 if old lines have refrigerant residue or are wrong size. Sometimes required when switching from R-22 (older) to R-410A (current) or R-32 (newer).
Ductwork repair: $1,000–$5,000+ if existing ducts are leaky, undersized, or insulation is poor. Critical in Texas attics where ducts can leak 30%+ of conditioned air.
Electrical upgrade: $200–$800 for new disconnect, breaker upsize, or whip.
Concrete pad / wall mount: $200–$500 if outdoor unit needs new placement.
Refrigerant recovery and EPA disposal: $100–$300, usually included.
Code upgrades: Float switches, condensate pumps, surge protectors. $200–$600 total.
How to Save Money Without Buying a Lemon
Get 3+ quotes from licensed companies. Wide spreads are normal. The middle quote is usually the most realistic.
Don't fall for "today only" pricing. That's a sales tactic. Real pricing is consistent across the year (slightly higher in peak summer when companies are busy).
Skip the premium accessories unless you have a specific need: humidifiers (irrelevant in Texas), UV lights (modest benefit), "premium" thermostats bundled with units.
Mid-tier brand + experienced installer often beats premium brand + budget install.
Time it for off-peak. Late fall and early spring quotes are typically 10–15% lower than mid-summer when companies are slammed.
Check for utility rebates. Austin Energy, Bluebonnet Electric, Bryan Texas Utilities, and others offer $200–800 rebates on high-SEER systems.
Federal tax credits: Qualifying heat pumps may be eligible for up to a $2,000 federal tax credit. Qualifying central AC systems are generally subject to a lower credit cap, so verify the exact model and current IRS rules before quoting the incentive.
When to Replace vs. Repair
Replace if:
- 12+ years old and needing a major repair (compressor, evaporator coil)
- Repair cost over 50% of replacement cost
- Repeated service calls in the past 2 years
- Uses R-22 refrigerant (phased out, repairs cost 3–5x more)
- Energy bills climbing year over year
Repair if:
- Under 8 years old and a single component (capacitor, contactor, fan motor)
- Repair under 30% of replacement
Get a Real Quote
Start with the service page closest to you: AC repair in Bastrop, AC repair in Elgin, AC repair in Smithville, or AC repair in Pflugerville.
Kimco provides AC replacement quotes across Central Texas - Pflugerville, Bastrop, Taylor, Elgin, Georgetown, Hutto, Manor, Cameron, Rockdale, Brenham, and our full service area - with same-day quote appointments when available. Flat-rate quotes - what we say in your driveway is what you pay. Call (737) 260-7255. Texas license TACLB00027491E.
Frequently Asked Questions
How much does it cost to replace an AC unit in Texas?+
A complete central AC replacement in Texas runs $5,500–$8,000 for a budget 14–15 SEER2 system, $7,500–$10,500 mid-tier at 15–17 SEER2, and $10,000–$13,500 for a premium 18–22 SEER2 variable-speed system. That covers the unit, labor, refrigerant, code-required venting and electrical, permit, and disposal of the old unit.
What SEER2 rating is worth paying for in Texas?+
15–17 SEER2 is the sweet spot for most Texas homes. Going from 14 to 16 SEER2 saves about 12% on cooling, worth roughly $144–$240 a year against Texas cooling bills of $1,200–$2,000. Going from 16 to 20 SEER2 saves another 15% but adds a $1,500–$3,000 premium, which takes 8–15 years to pay back — usually longer than it is worth in this climate.
What size AC unit does my house need?+
As a rough guide in Texas: under 1,200 sq ft needs 1.5–2 tons, 1,200–1,800 sq ft needs 2–3 tons, 1,800–2,500 sq ft needs 3–3.5 tons, 2,500–3,500 sq ft needs 3.5–5 tons, and above 3,500 sq ft usually needs 5+ tons or two systems. Proper sizing requires a Manual J load calculation that accounts for insulation, windows, sun exposure, and ceiling height.
Is a heat pump worth it instead of a separate AC and furnace?+
A heat pump replaces both the AC and the heating in one system for $7,500–$15,000 installed. Central Texas winters are mild enough that a heat pump runs efficiently most of the season, which is why it is often the better value here than in colder states.
Why do AC replacement quotes vary so much?+
The spread usually comes from system tier and what is included, not from the contractor's margin. Compare quotes on the same tonnage and SEER2, and check whether ductwork, electrical upgrades, line set replacement, and permits are inside the price or billed separately. A cheap quote that excludes add-on work is not the same job as a complete one.
A note on this article
Articles on this site are for informational purposes only and reflect general industry practice as of publication. Always follow your equipment's manufacturer documentation for specific procedures. Work involving gas, refrigerant, or 240V electrical systems should be performed by a licensed professional. Pricing reflects typical Central Texas ranges and varies by job, brand, and access. If you're not sure whether something is safe to attempt yourself, call us at (737) 260-7255.