In Naples, FL, air conditioning isn’t just a summer luxury—it’s a year-round necessity. Even in late winter, homeowners rely on their AC systems and heat pumps to manage humidity, maintain comfort, and handle those unexpectedly warm days. Unfortunately, this time of year is also when several common problems start to show up, often catching homeowners off guard right before the spring heat arrives.
Reduced Airflow
One of the most frequent issues we see in late winter is reduced airflow. After months of continuous use, air filters can become clogged with dust, pet hair, and debris. Restricted airflow forces your system to work harder, reducing efficiency and increasing wear on internal components. The fix is simple: check and replace your air filter every one to three months, especially if your system has been running consistently through the winter.
Refrigerant Leaks
Refrigerant issues are another common concern. Low refrigerant levels can result from small leaks that develop over time. Homeowners may notice weak cooling, longer run times, or ice forming on the indoor or outdoor unit—even during cooler weather. Because refrigerant handling requires specialized tools and certification, any suspected leak should be addressed by a licensed HVAC professional as soon as possible.
Electrical and Valve Issues
Electrical component failures also tend to surface in late winter. Contactors, capacitors, and wiring connections experience wear from constant cycling throughout the year. When these parts begin to fail, you may notice intermittent operation, difficulty starting, or a system that shuts down unexpectedly. Scheduling a professional inspection can catch failing electrical components before they leave you without cooling on a hot Naples afternoon.
Heat pump issues are especially common during this season. Since heat pumps switch between heating and cooling modes, the reversing valve and defrost controls can experience problems after months of use. A malfunctioning reversing valve may cause the system to blow air at the wrong temperature or struggle to maintain comfort. Regular maintenance ensures these components operate smoothly before the peak cooling season begins.
Late Winter Drainage Problems
Late winter is also when drainage problems often appear. In Southwest Florida’s humid climate, condensation can build up quickly, even during cooler months. A clogged condensate drain line can cause water leaks, system shutdowns, or mold growth. Routine drain line cleaning helps prevent moisture-related damage and protects your indoor air quality.
Thermostat Adjustments
Finally, thermostat issues can create comfort problems that are often mistaken for system failure. Aging thermostats or incorrect settings can cause uneven temperatures, short cycling, or poor humidity control. Upgrading to a programmable or smart thermostat can improve efficiency and give you better control over your home’s comfort.
The best way to avoid late-winter AC problems is proactive maintenance. A professional tune-up allows technicians to clean components, test system performance, and address small issues before they turn into costly repairs. For Naples homeowners, preparing your AC or heat pump in late winter ensures you’re ready for rising temperatures, high humidity, and the long cooling season ahead—without unexpected breakdowns.
Schedule repairs or maintenance with Conditioned Air Company of Naples, LLC, The Comfort People Since 1962!