HVAC costs in Texas

Texas air conditioning is a grid event. Summer afternoons push ERCOT to its annual peaks largely on residential AC load — which is exactly why the Public Utility Commission requires utilities to fund efficiency programs in the first place.

Climate splits the state in two. The Gulf Coast (Houston, climate zone 2A) carries latent humidity load comparable to Florida, while West Texas runs hot and dry. Statewide, Texas averages about 2,754 cooling degree days against 1,827 heating degree days — cooling dominates. The standard install in DFW remains a gas furnace paired with a straight-cool AC split, though heat pumps are gaining share with help from utility incentive tiers.

On equipment, Texas sits in the DOE Southeast region: split-system ACs under 45,000 Btu/hr installed on or after January 1, 2023 must hit 14.3 SEER2 (10 CFR 430.32(c)(6)(i)). The rule is installation-date based — a lower-rated unit can’t legally be installed here even if it was built before the cutoff.

Permits are a genuine patchwork. Texas has no statewide residential permit mandate; every major city requires a mechanical permit for a changeout under its adopted code, but unincorporated county land often requires none. The one statewide constant: your contractor must hold a TDLR Air Conditioning and Refrigeration license under Occupations Code Chapter 1302.

Rebates split along ownership lines. Municipally owned Austin Energy and CPS Energy pay the state’s most generous direct rebates. In the deregulated territories, the wires companies — Oncor, CenterPoint, AEP Texas — can only route incentives through approved contractors, never directly to you.

Labor runs slightly below the national average (our Texas cost index is 0.96), which nudges installed prices just under the national ranges in the tables on this page.