What HVAC replacement costs in Saint Louis
Construction pricing in Missouri runs 6% below the national average, so HVAC replacement here typically lands between $8,930 and $15,510 installed, before rebates.
Figures are modeled from 2026 national baselines adjusted by a Missouri cost factor of 0.94. They are estimates for comparison, not quotes — your property, access and material choices move the real number.
HVAC Contractors serving Saint Louis
Ranked by Google review volume. Listings are sourced from public business data; those marked Verified member have claimed and confirmed their listing with us.
- Meyer Heating and Air
- Dunn Heating & Cooling
- Aspen Refrigeration Service Inc
- Scott-Lee Heating Company
- Tri-State Mechanical Services, Inc.
- St Louis Heating and Cooling
- Rhymes Heating & Cooling
- AL-DON Indoor Air Quality Specialists
- Mertz Heating & Cooling
- Epinger Services
- Albert Arno
- TEMP-AIR, Inc.
- American Radiator
- Classic Aire Care
- SMART St. Louis
- Ashley Brothers Heating & Cooling
- Rick Rasch Heating & Cooling
- One Hour Heating & Air Conditioning® of St. Louis
- Inman Heating & Cooling
- Indoor Comfort Team
We don't rank by who pays us. Always confirm a contractor's license and insurance before hiring.
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