Heat pumps are a smart, energy efficient way to keep your home comfortable all year long. However, just like any hardworking system, they can run into trouble, especially during heavy seasonal use in a place like Norfolk, VA. The good news? Spotting issues early can save you money, prevent breakdowns and keep your system running stronger for longer.
Let’s take a look at some of the most common heat pump problems and what they could be trying to tell you.
The Heat Pump Won’t Turn On
When your heat pump refuses to turn on, the problem usually lies somewhere in the system’s electrical components or internal communications. It’s not something a quick thermostat adjustment can fix. Some of the most common reasons include:
- Tripped circuit breaker
- Faulty thermostat
- Blown fuse or wiring issue
- Malfunctioning starter capacitor
The System Runs Constantly or Cycles Too Often
If your heat pump seems to be running all day without a break, or if it’s constantly turning on and off, there’s likely an underlying issue causing it to work harder than it should. This kind of behavior can shorten the system’s lifespan and drive up your utility bills. Potential causes might be:
- Low refrigerant
- Dirty or blocked air filters
- Incorrect thermostat settings
- Poor insulation
- A system that’s too large or too small for your space
Unusual Noises During Operation
Heat pumps are designed to operate quietly, so if you start hearing odd or unfamiliar noises, it’s usually a warning sign that something inside isn’t working quite right. Depending on the sound, it could be:
- Rattling from loose screws or panels
- Buzzing from electrical issues or a failing contactor
- Grinding from worn-out bearings in the motor
- Hissing from refrigerant leaks
Inconsistent Heating or Cooling
When your heat pump is running but your home still feels unevenly heated or cooled, there might be an issue with airflow, refrigerant levels or the ductwork. A few possible causes are:
- Low refrigerant levels
- Dirty indoor or outdoor coils
- Blocked vents or clogged filters
- Poor ductwork design or airflow restrictions
Frozen Outdoor Unit
It’s perfectly normal for a heat pump’s outdoor coil to gather a light frost in the winter. However, when the entire unit is frozen solid, it usually means there’s a malfunction that needs attention. This could involve:
- Faulty defrost controls
- Restricted airflow around the unit
- Low refrigerant
- Broken sensors or stuck valves
Count on Us for Expert Help
If your heat pump isn’t performing like it used to, you don’t have to figure it out alone. At Absolute Comfort Heating & Cooling, Inc., we help homeowners throughout Norfolk, VA, get to the bottom of common heat pump issues before they turn into costly repairs.
Whether your system’s running constantly, making strange noises or just not keeping your home comfortable, we’re here to help you get things back on track.
FAQs About Heat Pump Issues
How long should a heat pump last?
With regular maintenance, most heat pumps last 15 to 20 years. If yours is needing constant repairs or isn’t performing well, it might be time to consider a replacement.
Why is my heat pump blowing cold air in heat mode?
This could mean it’s in defrost mode, or there might be an issue with the reversing valve, thermostat or refrigerant levels. A technician can pinpoint the cause.
When should I call for professional service?
If your system is making odd noises, running nonstop, not heating or cooling properly or starting to freeze up, it’s time to call in a pro. Acting early can help prevent more serious damage down the road.
