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618- 476-9604
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New System Installations
Our Promise to you is to Perform a professional Heating, Air Conditioning and Ventilation (HVAC) installation at a fair price.
When you need HVAC services, trust the experts at DOW Heating & Air Conditioning. Our technicians have the skills, expertise, and tools to install complete HVAC systems usually in one day.
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When your DOW Heating & Air Conditioning installer arrives at your home they will explain what to expect during the installation process. We service and repair complete systems from a variety of major manufacturers so you can trust us to perform a professional system installation.
We're not happy until you're happy.
Serving the entire Metro East and Monroe and Randolph Counties
Baldwin Belleville Caseyville Chester Collinsville Columbia Coulterville Dupo East Carondelet Ellis Grove Evansville
Fairmont City Fairview Heights Fayetteville Floraville Freeburg Fults Hecker Lebanon Lenzburg Maeystown Marissa Mascoutah Menard Millstadt Modoc New Athens New Baden O'Fallon Paderborn Percy Prairie Du Rocher Red Bud Rockwood Saint Libory Sauget Scott AFB Shiloh Smithton Sparta
St. Louis Metro Areas St. Louis Metro East Steeleville Swansea Tilden Valmeyer Walsh Waterloo