Frequently Asked Questions About HVAC & Plumbing
Have questions about HVAC & Plumbing repairs, maintenance, common problems, or installation costs? Explore helpful answers from Del-Air Heating, Air Conditioning, Plumbing and Electrical to understand common home service issues, available solutions, and what to expect when scheduling professional service.
TopicHeat Pump
Heat Pump
4 questions
Why is my heat pump blowing cold air when the heat is on?
A heat pump blowing cold air in Heat mode usually means it’s in defrost or the supply air is warm but below body temperature, so it feels cool. The most common cause is an automatic defrost cycle that temporarily shifts the system to cooling to melt outdoor ice. In the Jacksonville beaches area, higher humidity can make those defrost cycles more frequent and more noticeable.
Can a heat pump be repaired, or should it be replaced?
A heat pump can often be repaired, but replacement is usually the better choice when the system is 10–15 years old or has a major component failure. Most problems homeowners notice come from fixable issues with controls, airflow, or electrical parts that a technician can correct. A seasoned tech will also consider efficiency loss and remaining warranty; when a compressor is failing on an older unit, a new system…
Why Is My Heat Pump Not Cooling on Hot Days?
A heat pump not cooling on hot days is most often caused by restricted airflow or low refrigerant from a leak. Clogged filters or matted coils cut heat transfer, while a refrigerant loss makes the system run but deliver lukewarm air. Electrical or control faults, like a stuck reversing or defrost valve (the part that switches modes), can also leave it in the wrong mode. On the hottest afternoons I often find an…
How often does a heat pump need professional maintenance?
A heat pump needs professional maintenance twice a year—once before cooling season and once before heating season. This schedule is standard because the system runs year-round, and parts like coils, capacitors, and refrigerant circuits work harder than a typical AC or furnace.
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