• No-heat / no-cool diagnostics: Rapid troubleshooting for sudden breakdowns and system failures.

• Furnace repair & replacement: Ignition issues, flame sensor, blower motor, control boards, full changeouts.

• Air conditioning repair & replacement: Refrigerant leaks, capacitors, contactors, coils, compressor diagnostics.

• Heat pump service: Repairs, seasonal changeover checks, defrost issues, performance tuning.

• Thermostats & smart controls: Upgrades, wiring fixes, configuration, zoning support.

• Indoor air quality: Media filters, UV options, humidity control, ventilation recommendations.

• Ductwork checks & improvements: Airflow balancing, duct sealing recommendations, register optimization.

• Seasonal tune-ups: Preventive maintenance to reduce breakdowns and improve efficiency.

• Energy-bill reduction consult: Efficiency assessment, right-sizing guidance, upgrade roadmap.

• Safety checks: Carbon monoxide risk review, combustion safety basics, system condition notes.

St. Louis Air Pros HVAC is your trusted partner for all things heating, cooling, and indoor air quality in the St. Louis area. We're not your typical HVAC company that shows up, throws out some technical jargon, and hands you an inflated bill. Instead, we believe in straightforward communication, honest pricing, and actually fixing problems the right way the first time.

Whether your air conditioner decided to quit in the middle of July or your furnace is making strange noises as winter approaches, we've got you covered with same-day and emergency services. We know HVAC emergencies don't happen on a convenient schedule, so we make ourselves available when you actually need us—not just during regular business hours when it's easy for us.

Our services cover everything from routine maintenance that keeps your system running efficiently to complete installations when it's time to upgrade. We handle furnace repairs, air conditioning tune-ups, ductwork issues, thermostat installations, air quality improvements, and full system replacements. No job is too big or too small, and we approach every service call with the same level of professionalism and attention to detail.