We specialize in ensuring your home has the best quality of air and comfort for your precious family. ELITE is much more than a Heating and Cooling (HVAC) company. We are St Louis' Indoor Comfort Experts. HEATING & COOLING Residential Service, Repair, Installation, and Maintenance for Your Home. INDOOR AIR QUALITY We are experts at making your home SAFE and COMFORTABLE. MECHANICAL Commercial Refrigeration, Cooking Equipment, HVAC, and Ice-Machines. Services.