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Troubleshooting HVAC Systems: Why Your AC Might Be Struggling in the Cold

AC Unit in snow

As winter approaches, many of us turn to our heating systems for comfort. However, you might find that your air conditioning (AC) system isn't performing as expected during the colder months. You may ask yourself: "Why is my AC struggling in winter?" The answer lies in how these systems function when temperatures drop. In this post, we will explore why your AC might face challenges in the colder months and provide practical tips for troubleshooting and maintaining your system. Plus, discover how Lakeland AC can help you keep your HVAC system in top shape this winter.


Understanding the Connection Between HVAC Systems and Cold Weather

HVAC systems are designed to adapt to changing temperatures. While they primarily switch from cooling to heating as the seasons change, their components are closely linked. Many modern AC systems use heat pumps, which can serve both heating and cooling needs. In colder temperatures, heat pumps must work harder to extract warmth from the air, which can lead to poor performance if they are not properly maintained.

Did you know that properly maintained HVAC systems can improve energy efficiency by up to 30%? This means you can enjoy better comfort and lower energy bills. Regular maintenance is crucial, especially as temperatures fluctuate here in Florida. If your system is struggling, Lakeland AC can help restore its efficiency with a professional tune-up.


Common Problems in Winter HVAC Systems


Ice Buildup on the Outdoor Unit

A common winter issue is ice buildup on the outdoor condenser unit. When temperatures drop, humidity can freeze on the coils, reducing the heat pump's efficiency. This can result in poor performance and costly damage if not addressed quickly.

If you notice ice buildup, it’s important to thaw the unit and ensure adequate airflow around it. Don’t want to risk damaging your unit? Our experts at Lakeland AC can perform a full inspection to ensure your system is running smoothly and prevent potential issues before they become expensive repairs.


Inadequate Airflow

Limited airflow is another issue that can become more prominent during winter. Blocked vents, dirty air filters, or a malfunctioning blower motor can cause uneven heating and discomfort.

To maintain optimal airflow, regularly change air filters (every 1-3 months) and keep vents clear. Need help? Our maintenance service includes cleaning and inspecting your HVAC system to ensure everything is functioning efficiently, so you stay warm all winter long.


Thermostat Malfunction

Cold weather can reveal flaws in your thermostat, such as wiring problems or dead batteries, which can prevent your home from reaching the desired temperature.

We recommend checking your thermostat settings frequently throughout the winter and replacing batteries in older models. If your thermostat isn’t working properly, let Lakeland AC troubleshoot and ensure your home stays at the perfect temperature.


Lower Efficiency

Over time, air conditioning systems lose efficiency, especially without regular maintenance. In colder months, this inefficiency can cause higher energy bills and inadequate heating.

Maintaining your HVAC system is key to preventing these issues. With a regular maintenance routine, Lakeland AC can help you improve efficiency, saving you money and extending the lifespan of your system.


Diagnostic Steps for Troubleshooting Your AC

If your HVAC system isn’t performing well during winter, try these diagnostic steps:

  1. Check the ThermostatEnsure it's in heating mode and set to a higher temperature than the current room temperature. If it’s unresponsive, replacing the batteries may solve the issue. If problems persist, schedule a service with us for a thorough inspection.

  2. Inspect the Outdoor UnitCheck for ice or debris and clear any obstructions that could impact airflow. If you spot ice, allow the unit to thaw naturally, or let our team handle it during a professional service call.

  3. Change Filters and Clear VentsDirty filters or blocked vents can lead to poor performance. Replacing filters regularly and keeping vents clear can significantly improve airflow.

  4. Listen for Unusual NoisesAny strange sounds like screeching or rattling could indicate mechanical issues that need professional attention.


When to Schedule a Service

If troubleshooting doesn’t resolve the issues, it may be time to call in a professional. Signs such as fluctuating temperatures, persistent ice buildup, or unusual noises are indicators that your system requires attention. Regular maintenance, especially before extreme weather conditions, can prevent costly repairs.

At Lakeland AC, we offer professional inspections and tune-ups to keep your system running efficiently all year round. Our technicians can identify minor issues before they turn into costly repairs or replacements.


Regular Maintenance is Key

Just like you wouldn’t skip an oil change in your car, don’t skip maintenance for your HVAC system. Regular check-ups ensure your system performs at its best, especially when temperatures drop. Lakeland AC offers comprehensive maintenance services to keep your system in top condition and prevent unexpected breakdowns.


Stay Comfortable All Winter Long with Lakeland AC

When cold weather strikes, don’t let your HVAC system struggle to keep your home comfortable. By understanding common winter HVAC issues and following our troubleshooting tips, you can enhance your comfort and energy efficiency. If your system needs professional care, Lakeland AC is here to help.


Contact Lakeland AC Today! If you're experiencing any HVAC issues or just want to ensure your system is ready for winter, reach out to us today to schedule your service!


📞 Call us at (863) 859-4090

🌐 Visit our website at www.thelakelandac.com


Don’t wait until it’s too late—let Lakeland AC help keep your home cozy and warm this winter!

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Lakeland Air Conditioning

1220 George Jenkins Blvd, Lakeland, FL, 33815

Telephone: 863-859-4090

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Licenses: Cac1819407 & EC13014526

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Lakeland and surrounding areas; Bartow, Plant City, Davenport, Mulberry & Winter Haven

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