HVAC Repair Saint Louis MO | Call Welsch Heating & Cooling

We offer comprehensive HVAC installation, repair, and maintenance services for all brands of heating and cooling systems. This includes installing or replacing furnaces and air conditioners, performing system repairs, and conducting regular maintenance to ensure optimal performance. We also handle HVAC systems for new homes, additions, and remodels, along with custom metal works like copper gutters and bay roofs.

As a family-owned company serving Saint Louis since 1895, we frequently address heat pump reversing valve problems that local homeowners face. Our experienced technicians diagnose and repair these issues efficiently, ensuring your heat pump switches properly between heating and cooling modes. We provide 24/7 emergency service for urgent cases, helping maintain comfort during Saint Louis's variable seasons.

Yes, we emphasize regular maintenance as a key service to extend your system's lifespan and maintain manufacturer warranty coverage. Our maintenance calls include thorough inspections, cleaning, and adjustments to keep your heating and cooling equipment running efficiently. As a company that's been in Saint Louis since 1895, we've seen how proper maintenance prevents costly repairs and improves system reliability.