What HVAC replacement costs in San Marcos
Construction pricing in Texas runs 8% below the national average, so HVAC replacement here typically lands between $8,740 and $15,180 installed, before rebates.
Figures are modeled from 2026 national baselines adjusted by a Texas cost factor of 0.92. They are estimates for comparison, not quotes — your property, access and material choices move the real number.
HVAC Contractors serving San Marcos
Ranked by Google review volume. Listings are sourced from public business data; those marked Verified member have claimed and confirmed their listing with us.
- Reliable Air
- Competition A/C & Heat LLC
- AirOne Heating & Air Conditioning
- Air Care Today
- Quality HVAC & Refrigeration
- Marvin's Heating & Air Conditioning
- Century Hvac Distributing
- Comfy Air
- Woods Comfort Systems
- Fast AC & Heating
- Finch Mechanical Contractors
We don't rank by who pays us. Always confirm a contractor's license and insurance before hiring.
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