Stop Losing Customers to Poor Cooling

Commercial HVAC repair, installation, and maintenance for businesses in Eustis, Florida.

When your air conditioning fails in a retail store or office, customers leave and employees lose focus. Your rooftop unit may cycle erratically, blow warm air through ceiling vents, or trip breakers during afternoon heat. St. Louis Air Conditioning responds to service calls across Eustis with technicians trained to diagnose and repair larger capacity systems used in commercial buildings.

We deliver commercial AC repair, rooftop unit service, system replacements, and maintenance agreements for offices, retail spaces, and light commercial buildings. Our team works on rooftop units and packaged systems designed for Florida's commercial properties, helping business owners maintain indoor comfort for employees and customers year-round. Preventative maintenance reduces downtime during peak cooling seasons, and we are familiar with commercial properties along major corridors and business districts near Eustis and Leesburg.

Request a commercial HVAC consultation or service visit in Eustis today.

How we minimize disruption to your business

When you schedule service in Eustis, our technicians arrive with ladders, refrigerant recovery equipment, and replacement parts sized for commercial-grade compressors and motors. We access rooftop units using your building's ladder or exterior stairway, then test electrical connections, measure refrigerant pressures, and inspect belts and bearings for wear.

After repairs, your employees and customers will notice cooler air within minutes, quieter operation from the rooftop unit, and stable temperatures throughout the day. Thermostat settings hold without constant adjustments, and your utility bills often decrease once the system no longer overworks to compensate for mechanical failure.

We also clean condenser coils, replace worn contactors, and lubricate fan motors to extend equipment lifespan. If replacement makes more sense than repair, we coordinate installation during off-hours or weekends to avoid interrupting your operations. Our responsive service minimizes downtime so you can keep your doors open and your business running smoothly during Florida's hottest months.

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Questions we hear from business owners

Business owners in Eustis often ask about maintenance agreements, emergency response times, and whether repair or replacement makes more financial sense for aging equipment.

What does a commercial maintenance agreement include?
A maintenance agreement includes scheduled inspections, filter changes, coil cleaning, refrigerant checks, and priority scheduling for repairs. Regular visits help prevent breakdowns during peak summer months when your system works hardest.
How quickly can you respond to a breakdown?
We prioritize commercial service calls to minimize lost revenue and employee discomfort. Response times vary based on demand, but we aim to arrive the same day for urgent cooling failures in Eustis and surrounding areas.
When should I replace instead of repair?
If your rooftop unit is more than fifteen years old and requires a major component replacement such as a compressor or heat exchanger, replacement often costs less over the next five years than repeated repairs. We provide cost comparisons to help you decide.
Why does my system struggle in the afternoon?
Afternoon heat in Florida pushes older or undersized systems beyond their cooling capacity. Low refrigerant, dirty coils, or failing capacitors also reduce performance when outdoor temperatures peak.
Do you service multi-unit buildings?
Yes, we service buildings with multiple rooftop units or packaged systems serving different zones. We coordinate repairs to avoid shutting down your entire building at once.

St. Louis Air Conditioning has serviced commercial properties from small retail shops to multi-tenant office buildings across Lake County, so we understand the importance of keeping your business comfortable without interrupting your daily operations. Request a consultation or schedule a service visit in Eustis today.