
For business owners in the St. Louis area, a reliable cooling system is more than a comfort feature. It is essential for keeping employees productive, customers comfortable, and equipment safe from heat-related damage. Regular commercial air conditioner maintenance helps ensure your HVAC system operates at peak performance, reducing the risk of costly breakdowns and extending its service life.
At Galmiche & Sons, we bring decades of experience servicing commercial air conditioning systems of all sizes. Read on to learn what you can expect when our team visits your property for a scheduled maintenance appointment.
To scheduled your professional air conditioner servicing or learn more, contact our team today.
Why Commercial AC Maintenance Matters
Commercial cooling systems face heavier demands than residential units. They run for longer hours, cool larger spaces, and are often critical to daily operations. Without routine maintenance, problems can develop quickly, leading to downtime and expensive emergency repairs.
Some common pain points for businesses include:
- Unexpected breakdowns during peak summer temperatures.
- High energy bills due to inefficient operation.
- Uncomfortable indoor conditions that can affect productivity.
- Shortened equipment lifespan from neglect.
Our commercial air conditioner maintenance services are designed to prevent these issues and give you peace of mind.

Step-by-Step: What We Do During a Commercial AC Maintenance Visit
1. Initial System Inspection
We begin by evaluating the overall condition of your HVAC system, including both indoor and outdoor components. This helps us identify visible wear, corrosion, or damage before we proceed.
2. Cleaning and Debris Removal
Dirt, dust, and debris can restrict airflow and force your system to work harder. We clean condenser and evaporator coils, remove blockages from drains, and ensure all filters are in good condition.
3. Checking Refrigerant Levels
Low refrigerant can reduce cooling capacity and put stress on the compressor. We check refrigerant pressures and ensure your system has the correct charge for efficient operation.
4. Inspecting Electrical Components
We test wiring, capacitors, contactors, and relays for proper function. Faulty electrical parts can lead to sudden shutdowns and costly damage if not addressed.
5. Testing Thermostat and Controls
Your thermostat and control systems are essential for maintaining consistent temperatures. An important part of commercial air conditioner maintenance includes calibrating thermostats as needed and ensuring all controls are responding properly.
6. Airflow and Ductwork Review
Airflow problems can reduce efficiency and comfort. We check for obstructions, leaks, or imbalances in your duct system that could affect performance.
7. Lubricating Moving Parts
Motors, fans, and bearings are lubricated to reduce friction and extend their lifespan.
8. Final Performance Testing
The final step in our commercial air conditioner maintenance is to run the system through a complete cycle to verify that it is cooling properly and operating within manufacturer specifications.
Benefits of Professional Commercial AC Maintenance
- Reduced downtime from unexpected breakdowns.
- Lower energy costs thanks to improved efficiency.
- Consistent indoor comfort for staff and customers.
- Extended equipment life through proactive care.
- Compliance with warranty requirements from manufacturers.
Frequently Asked Questions About Our Commercial AC Maintenance Services
Most systems should be serviced at least twice a year, once before cooling season and once before heating season if your system also handles heating.
Yes. Many common failures start as small issues that are easily fixed during routine maintenance.
We work on rooftop units, split systems, packaged systems, and more, across a wide range of makes and models.
We schedule work at times that minimize impact and complete tasks efficiently.
Local Expertise for St. Louis Businesses
Our team understands the unique cooling needs of businesses in the St. Louis climate. We tailor maintenance plans to your building size, system type, and operational requirements.
Keep Your Business Cool and Efficient with Commercial Air Conditioner Maintenance
Do not wait until a breakdown costs your business time and money. Contact Galmiche & Sons today to schedule your commercial air conditioner maintenance visit. Our experienced technicians will ensure your system is ready to handle the demands of summer while keeping your energy costs in check.
Call our heating and air conditioning experts now or request an appointment online to protect your investment and maintain comfort in your commercial space.









