Frequently Asked Questions

High humidity forces your AC to work harder to remove moisture and cool the air, increasing wear and energy costs. In Central Florida, systems run longer cooling seasons, making routine maintenance critical. At St. Louis Air Conditioning, we design solutions that handle Eustis' heat and moisture year-round.

Skipping seasonal tune-ups is the most common mistake, leading to costly breakdowns during peak summer heat. Regular maintenance catches minor issues before they become major repairs and extends system lifespan. Our technicians help Florida homeowners prevent emergency failures with proactive service plans.

If your system is over 10–12 years old, requires frequent repairs, or drives up energy bills, replacement often makes more sense. Modern energy-efficient systems can lower costs and improve comfort. We perform load calculations to ensure proper sizing for Florida homes.

Yes, ductless systems are highly effective in Florida, offering zoned cooling and energy savings without ductwork. They're ideal for home additions, sunrooms, and garages where traditional duct installation isn't practical. At St. Louis Air Conditioning, we install units sized for Central Florida's long cooling seasons.

Filtration upgrades, air purification systems, and humidity control address allergens, pollen, and moisture buildup common in Florida. These solutions integrate seamlessly with existing HVAC systems to improve respiratory health and comfort. We recommend starting with indoor air quality testing to identify specific concerns.

Clogged filters, dirty ducts, refrigerant issues, or undersized systems commonly cause weak airflow. Older homes in Lake County may have outdated ductwork or improperly sized equipment. Our licensed technicians diagnose airflow problems and restore balanced, consistent cooling throughout your home.

We recommend seasonal tune-ups at least once per year, ideally before summer when systems run continuously. Florida's heavy HVAC usage accelerates wear, making preventative maintenance essential for efficiency and reliability. Regular service helps avoid unexpected breakdowns during the hottest months.

A tune-up includes filter replacement, refrigerant checks, electrical inspections, airflow testing, and cleaning key components. Technicians identify minor issues before they escalate into costly repairs. At St. Louis Air Conditioning, our tune-ups are designed to extend system life and improve energy performance.

Yes, controlling indoor humidity reduces moisture buildup that encourages mold growth and allergen accumulation. In Florida's humid climate, whole-home dehumidifiers work alongside your HVAC system to maintain healthier air. This is especially beneficial for families affected by seasonal pollen and dust.

Rooftop units endure constant sun exposure and weather stress, making preventative care essential to avoid downtime. Regular maintenance keeps business environments comfortable for employees and customers year-round. We help commercial property owners in Eustis and Leesburg maintain reliable cooling during peak seasons.