Comprehensive HVAC Repair Mastery

Engineered Solutions for Complex System Failures

Restoring Optimal Performance

From erratic thermostat behavior to total system shutdowns, complex HVAC failures require a technician who understands advanced thermodynamics and electrical schematics. Funk Heating & Cooling, Inc. operates at the bleeding edge of diagnostic troubleshooting. We respond with urgency, arriving fully equipped to mitigate the issue and re-establish your structural comfort.


Request Immediate Troubleshooting (618) 677-2722

Our Full-Spectrum Repair Capabilities

We routinely dismantle, assess, and repair a vast array of sophisticated heating and cooling components. Local residents and property managers rely on our proven technical acumen for:

  • Refrigerant Circuit Restoration: Locating micro-leaks, replacing filter-driers, and accurately recharging systems to factory subcooling/superheat specifications.
  • Electrical & PCB Diagnostics: Testing capacitors, contactors, limits, and complex printed circuit boards using advanced multimeters.
  • Dynamic Airflow Correction: Cleaning heavily impacted evaporator coils, optimizing blower motor speeds, and executing meticulous air duct repairs.
  • Combustion Analysis: Ensuring gas valves and heat exchangers are functioning safely and well within emissions tolerances.