Frequently Asked Questions
What's included in the $85 service call fee at IceBurg Heating & Air?
The $85 service call covers the visit and a complete diagnostic of your entire HVAC system—not just the reported problem. Technicians inspect refrigerant levels, electrical components, airflow, and controls to identify all issues. This comprehensive approach catches problems before they cause breakdowns and ensures accurate repair quotes.How does Florida's humidity affect AC repair needs in Jacksonville?
High humidity forces AC systems to work harder removing moisture, which accelerates wear on compressors and evaporator coils. Condensate drain lines clog more frequently due to constant moisture, causing water leaks and system shutdowns. Jacksonville systems typically need more frequent coil cleaning and drain maintenance than units in drier climates.When should you call for emergency AC repair instead of waiting for regular service?
Call immediately if your system shuts down completely during extreme heat, you notice burning smells or sparking, or frozen coils block airflow entirely. These conditions create safety risks or health concerns for vulnerable household members. Frozen coils indicate refrigerant leaks or airflow failures that worsen rapidly without intervention.What causes AC systems to blow warm air instead of cold?
Refrigerant leaks reduce cooling capacity until only ambient-temperature air flows from vents. Compressor failures prevent refrigerant circulation, and dirty evaporator coils block heat absorption. Thermostat malfunctions or reversed wiring also send incorrect signals. Each cause requires different repairs—diagnostics identify which component failed.Why does professional system sizing matter for AC installation?
Undersized units run constantly without reaching set temperatures, wearing out compressors prematurely and driving up energy costs. Oversized systems short-cycle, failing to dehumidify properly and creating uneven temperatures. Proper load calculations account for insulation, window placement, ductwork, and Florida heat gain to match equipment capacity to actual cooling demand.How do you know if you need AC replacement instead of another repair?
Systems over 12 years old with compressor or coil failures rarely justify repair costs, especially if efficiency has declined and utility bills keep rising. Frequent breakdowns—three or more service calls in one season—indicate cascading component wear. Replacement makes financial sense when repair estimates exceed 50% of new equipment cost.What happens during seasonal HVAC maintenance in Florida?
Technicians clean coils that accumulate debris in humid climates, check refrigerant charge, test capacitors that fail in heat, inspect electrical connections, and clear condensate drains prone to algae buildup. Each step prevents specific failure modes common to Jacksonville systems. Maintenance catches issues while repair costs remain low and before peak cooling season.What's the difference between heat pump service and standard AC service?
Heat pumps contain reversing valves and defrost controls that standard AC units lack, requiring inspection of heating-mode components even in Florida. Both systems share compressors, coils, and refrigerant circuits. Heat pump maintenance includes checking auxiliary heat strips and ensuring the system switches between modes properly.How does damaged ductwork affect cooling costs?
Leaks in attic ductwork send cooled air into unconditioned spaces, forcing the system to run longer to reach thermostat settings. Studies show poorly sealed ducts waste 20-30% of cooling output. Disconnected or crushed ducts create pressure imbalances that reduce airflow to specific rooms while overworking the blower motor.Why do smart thermostats lower energy bills?
Programmable schedules reduce cooling during unoccupied hours without manual adjustments, and Wi-Fi connectivity allows temperature changes from anywhere to avoid cooling empty homes. Learning algorithms adapt to usage patterns and optimize runtime. Remote diagnostics alert you to system problems before they cause comfort loss or higher operating costs.What indoor air quality problems does Florida humidity create?
Excess moisture promotes mold growth in ductwork and on evaporator coils, circulating spores throughout the home. High humidity levels make allergens more concentrated and harder to filter. Air purification systems with UV lights kill mold and bacteria, while proper dehumidification keeps indoor moisture below 50% to prevent biological growth.What causes frozen evaporator coils during Jacksonville summers?
Restricted airflow from dirty filters or blocked return vents drops coil temperature below freezing, causing condensation to ice over. Low refrigerant from leaks reduces pressure and temperature in the coil. Blower motor failures also eliminate airflow across coils. Ice blocks remaining airflow completely, forcing system shutdown until thawed and repaired.

