Family-owned St Louis union-based HVAC contractor

Heating and Air Conditioning Services

Jefferson R-VII School

Our commitment is to provide flexible, customized and tailored services to meet your needs. As part of your team, SMCI will provide guidance, support and professionalism.

In the following areas:

  • Boilers, Chillers and Refrigeration Systems
  • Building Automation Controls Systems
  • Commercial, Industrial and Residential Comfort Systems
  • Complete Design Build Services
  • Duct Cleaning
  • GeoThermal Heat Pump Systems
  • Hot and Chilled Water Piping Systems
  • Humidifiers and Dehumidifiers
  • L.P. Gas and Natural Gas Piping Systems
  • Planned Maintenance
  • Temperature Control Systems
  • Walk-In Freezers and Coolers

Our service hours are Monday – Friday, 7:00 a.m. to 3:30 p.m. We have a dedicated staff on-call to meet emergency needs after hours.

636.337.2150 for energy efficient solutions that save you money!
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