Troubleshooting Your Heat Pump During Cool Temperatures

February 6, 2026

IS YOUR HEAT PUMP READY FOR A SARASOTA WINTER?


While Sarasota is famous for its sunshine, our occasional "chilly" snaps are enough to make you thankful for a reliable heat pump. These systems are the MVPs of Florida HVAC—offering energy-efficient cooling all summer and seamless heating when the temperature drops.


However, even the best systems can hit a snag. If your heat pump is acting more like a "cold pump" lately, here is what you need to know.


Efficiency in Action: How Your Heat Pump Works


Unlike a traditional furnace that creates heat by burning fuel, a heat pump simply moves it.


  • In the Winter: The system extracts residual heat from the outdoor air (yes, even when it feels cold to you!) and transfers it inside.
  • In the Summer: The process reverses, pulling heat out of your home to keep you cool.


Because the system is moving heat rather than generating it, you can reduce your heating electricity usage by as much as 50%. It’s a win for your comfort and your utility bill.


Common Winter Woes


Even with Florida’s mild winters, heat pumps can face a few seasonal hurdles:


1. Why is it blowing cold air?


If your vents are blowing a chilly breeze while in "heat" mode, the most common culprit is restricted airflow.


  • The Fix: Check your air filters. A clogged filter forces the compressor to work overtime, often leading to lukewarm air or a total system shutdown. Regular maintenance is the best way to prevent these mid-season surprises.


2. The "Ice Block" Effect


It is normal to see a little frost on your outdoor coils during a cold snap, but a thick coating of ice is a red flag.


  • The Fix: Your unit has a built-in defrost cycle to handle light frost. If the ice persists or begins to encase the unit, it’s time to call in a pro to check for refrigerant issues or sensor failures.


DIY Troubleshooting vs. Calling the Pros


Before you pick up the phone, try these quick checks:


  • Thermostat: Ensure it’s set to "Heat" and the temperature is higher than the room's current reading.
  • Airflow: Clear away any overgrown vegetation or debris from the outdoor unit.
  • Power: Check your electrical panel for any tripped breakers.


When to call Aqua Plumbing & Air: If basic troubleshooting doesn't do the trick, don't risk a DIY disaster. Since 1974, we’ve been Sarasota’s trusted experts. Our NATE-certified technicians are trained to handle complex repairs on all makes and models, ensuring your home stays cozy no matter the forecast.


Need a hand getting your comfort back on track? Schedule your heating repair today or take advantage of our 24-hour emergency services for those issues that just can’t wait.

Golf ball beside the hole on a green putting surface, with the flagstick nearby
June 18, 2026
Aqua Plumbing & Air proudly sponsors the Bob Rizi Memorial Golf Classic, benefiting Suncoast Charities for Children in Sarasota. Learn how to support.
Satellite view of a large swirling hurricane over the ocean, with a clear eye and cloud bands
By Aqua Plumbing & Air May 28, 2026
Prepare for Florida hurricane season with a Generac whole home generator in Sarasota, Bradenton, and Lakewood Ranch. Keep your home powered before, during, and after the storm.
Metal desk fan with blue blades in warm sunlight, set against a red wall.
May 21, 2026
It's easy to forget about your air filter. It sits tucked away in a return vent or air handler, doing its job quietly until it can't anymore. But a clogged filter doesn't just stop filtering — it actively creates problems for your home and your HVAC system. Problem 1: Reduced Airflow Strains Your System When your filter is packed with dust and debris, air can't move through it freely. Your AC or heat pump has to work harder to pull air through, which puts stress on the blower motor and can cause the system to overheat or short-cycle. Over time, this shortens the life of your equipment and drives up your energy bills. In extreme cases, restricted airflow causes the evaporator coil to freeze over. When the ice melts, you end up with water leaking from your indoor unit — a mess that can damage ceilings, walls, and flooring. Problem 2: Poor Indoor Air Quality A filter that's too clogged to do its job means dust, pet dander, pollen, and other particles circulate freely through your home. For anyone with allergies, asthma, or respiratory issues — especially common in Florida's high-humidity environment — this can trigger symptoms and make your home uncomfortable.  How often should you change your filter? In Sarasota and Bradenton homes, we recommend every 1–2 months during peak cooling season. If you have pets or anyone in the home has allergies, check it monthly. Ready to schedule service? Contact Aqua Plumbing & Air online or call 941-366-7676 . Available 24/7 in Sarasota, Bradenton & Lakewood Ranch.

CALL NOW OR REQUEST SERVICE ONLINE


Need fast, reliable service? Our friendly team is just a phone call away. Whether you prefer to speak directly with one of our experts or schedule your appointment online, we make it simple and convenient to get the help you need—anytime. Call us today for immediate assistance or request service online at your convenience, and let our trusted professionals take care of the rest.