Thielmann Heating, Cooling & Plumbing
We help New Berlin homeowners stay comfortable in every season. As a leading HVAC company, we specialize in furnace repair, air conditioning installation, heat pump service, and routine maintenance that keeps your system performing efficiently. Our technicians are trained to handle every make and model, providing expert care for heating, cooling, and plumbing needs. We offer maintenance plans and handle everything from boiler and heat pump repair to air duct service and water heater installation.