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Homeowners in Houston typically pay $300–$700 per window installed. DFW and Houston metro: $350–$750. Whole-house (14 windows): $5,000–$12,000 before utility rebates. for window replacement. Costs depend on the number of windows, frame material, glass package, and whether you need full-frame or insert replacement.
Oncor, CPS Energy, and AEP Texas offer ENERGY STAR window rebates of $25–$75 per window. Austin Energy offers up to $100 per window for qualifying replacements.
TX requires a window contractor to hold a General Contractor or Residential Remodeler license from TDLR (Texas Dept of Licensing and Regulation) for projects over $10,000.. Ask any contractor for their license number and verify it online before signing. Also confirm they carry general liability insurance and workers' compensation.
TX summers reach 100–112°F across much of the state. Low SHGC glass (≤0.25) is the single most impactful upgrade. North TX also faces ice storms that stress frames.