Since January 2023, every new AC system sold in Texas must meet a SEER2 efficiency standard. If you're replacing your AC, comparing quotes, or trying to understand what a contractor is recommending — SEER2 is the single most important number to understand.
SEER2 stands for Seasonal Energy Efficiency Ratio 2. It measures how much cooling output your AC produces per unit of electrical energy consumed over a typical cooling season. Higher number = more efficient = lower electric bills. The '2' reflects a new, more rigorous testing protocol that better reflects real-world operating conditions.
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Before January 2023, systems were rated under the original SEER standard. The new SEER2 standard uses a higher external static pressure in testing — making it a more accurate reflection of how systems actually perform in real homes with real ductwork.
| Old Standard | SEER Rating | Approx. SEER2 Equivalent |
|---|---|---|
| Old minimum (South region) | 14 SEER | ~13.4 SEER2 |
| New Texas minimum (2023) | N/A | 15.2 SEER2 |
| Carrier Comfort series | ~17 SEER | 16.5 SEER2 |
| Carrier Performance series | ~19 SEER | 18 SEER2 |
The national average cooling season is about 3–4 months. Texas AC systems run 9–10 months per year. This means every SEER2 point of efficiency improvement is amplified significantly compared to the national impact.
| System | Est. Monthly Cost* | Annual Cost |
|---|---|---|
| 10 SEER (pre-2010 era) | ~$320 | ~$3,200 |
| 13 SEER (2010–2015 era) | ~$245 | ~$2,450 |
| 16.5 SEER2 (Carrier Comfort) | ~$165 | ~$1,650 |
| 18 SEER2 (Carrier Performance) | ~$145 | ~$1,450 |
*Estimates based on 3-ton system, Spring TX climate, $0.15/kWh. Actual savings vary.
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"Honest diagnosis, same-day service, and fair pricing. They explained everything clearly before starting any work."— Spring TX homeowner, 77386
"Another company quoted $4,200 for a compressor. Expo found a bad capacitor — total bill was $180. That's the kind of honesty that earns a customer for life."— Harmony, Spring TX
"Used the online estimator first, then booked an in-home estimate. No pressure, clear comparison of both Carrier options, install was perfect."— Klein area, 77388
SEER2 is the Seasonal Energy Efficiency Ratio 2 — the current federal standard for measuring residential AC efficiency. It replaced the original SEER standard in January 2023 with a more rigorous testing protocol. Higher SEER2 = more efficient = lower electric bills. In Texas's 9–10 month cooling season, SEER2 efficiency matters more than in most states.
The minimum SEER2 for new residential AC systems sold in the South region (including Texas) is 15.2 SEER2 as of January 2023. All new equipment sold in Texas since then must meet or exceed this standard.
SEER2 uses a higher external static pressure during testing that better reflects real-world conditions in homes with actual ductwork. SEER2 ratings are approximately 5% lower than their equivalent SEER ratings. The old Texas minimum was 14 SEER; the new minimum is 15.2 SEER2.
For most homeowners staying 5+ years, yes. Texas's 9–10 month cooling season amplifies energy savings significantly. The Carrier Performance 18 SEER2 typically costs $2,000–$3,000 more than the Carrier Comfort 16.5 SEER2 — savings of $20/month on electricity recover that premium in approximately 8–12 years, with comfort benefits throughout.
1827 Riley Fuzzel Rd Suite C, Spring TX 77386
Serving Harmony, Benders Landing, Legends Ranch, Imperial Oaks, Spring Trails, The Woodlands.
19507 Wied Rd Suite B, Spring TX 77388
Serving Klein, Champion Forest, Vintage Park, Gleannloch Farms, Tomball, Cypress.
