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Heat Pump Problems in Southeast Wisconsin Homes

WI Air Conditioning Contractors >> 10 Common Heat Pump Problems

10 heat pump problems that need professional attentionCommon Heat Pump Problems

Despite its name, a heat pump works as both an air conditioner and a heater. In summer, extracts heat from the home and moves it outside. In winter it reverses the process by taking lingering heat from outside and moving it indoors. Heat pumps make a great energy efficient solution. Like any heating and cooling system though, they can develop problems. Here are ten of the most common issues heat pumps can have:  

  1. Not turning on
  2. Not turning off
  3. Freezing up
  4. Tripping the breaker
  5. Short cycling
  6. Not heating or cooling
  7. Fan won't spin
  8. Noise
  9. Leaking water
  10. Smells (aka Dirty Sock Syndrome)

1. Not turning on

Problem: It’s getting cold and even though you’ve been waiting hours, the heat still hasn’t kicked on. If your thermostat is set to “heat” and the model is compatible with your heat pump, there might be a problem with the heat pump itself.

Causes: Determining the exact cause can be tricky. Causes could range anywhere from a failed start capacitor to a broken reversing valve. If you’re having trouble determining the cause, give Southport a call. Our technicians can diagnose the problem and provide a cost-effective solution.

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Air Conditioner Won’t Turn On
Heat Pump Won't Turn Off

2. Not turning off

Problem: Sometimes heat pumps have the opposite problem; they won’t shut off. If it isn’t extremely cold outside and your house is well insulated, a heat pump that runs constantly can point to a larger issue.

Causes: Components such as the reversing valve or the compressor may be the source of the problem. For the best diagnosis, contact a Southport professional.

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3. Freezing up

Problem: Because Wisconsin is notorious for harsh winters, frozen heat pumps are common. Heat pumps usually defrost themselves using the cooling mode to move heat to the outside coils. If your unit isn’t defrosting properly, there could be a problem.

Causes: Failure to defrost has a wide range of causes from a bad reversing valve to refrigerant leaks. Our heat pump technicians can take a look and find the best solution for your unit no matter what season or time of day.

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Heat Pump Is Frozen
Heat Pump Trips the Breaker

4. Tripping the breaker

Problem: You shouldn’t have to sit in the dark just to feel comfortable in your own home or business. If your heat pump trips the circuit breaker frequently, it may have an electrical issue that requires professional attention.

Causes: Breaker trips can be caused by a bad capacitor, loose electrical connections or short compressor cycling. Short circuits and other electrical causes can be dangerous to examine and repair yourself. Don’t face heat pump problems alone—contact Southport for high quality heat pump repair, maintenance and replacement.

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5. Short cycling

Problem: Short cycling happens when your heat pump unit shuts off before it completes its normal heating or cooling cycle. This issue can lead to higher power bills, uneven temperatures in the house, and eventually, a complete system breakdown.

Causes: Short cycling puts a lot of strain on heat pumps, so it’s best to get repairs as soon as possible. The most common cause for short cycling is having an oversized unit that is too powerful for your space. If your heat pump is oversized, our HVAC experts can find an effective replacement. We can diagnose the exact problem quickly with our 24/7 services.

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Heat Pump Is Short Cycling
Heat Pump Not Heating or Cooling

6. Not heating or cooling

Problem: The heat pump is on, but you’re still uncomfortable. If the temperature output isn’t up to par and heating or cooling is less than usual, your heat pump could have a problem.

Causes: If the air filter is clean and the heat pump still isn’t working, there could be a deeper issue, such as problems with refrigerant, the liquid that absorbs thermal energy and moves it inside or outside. Leaks can develop in the system or the reversing valve responsible for switching between hot and cold could be malfunctioning.

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7. Fan won't spin

Problem: The fan moves hot or cold air through your home. If the heat pump compressor is working and the fan isn’t, there could be an issue with the fan blades or the motor.

Causes: If the fan isn’t stuck and there’s no debris, chances are, the motor is at fault. Running a heat pump with a dead fan can overheat the compressor. Avoid unnecessary costs by replacing the motor. Southport’s HVAC technicians can quickly repair, replace or install heat pumps.

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Heat Pump Fan Not Spinning
Heat Pump Making Odd Noises

8. Noise

Problem: It’s normal for a heat pump to make gentle noises while starting up, running, defrosting or shutting down. When your heat pump starts whistling or rattling, it may be time to investigate.

Causes: The cause often depends on the type of noise the heat pump is making. Whistling is usually caused by dirty filters or things blocking the vents. Noises that indicate larger issues include loud humming, hissing or gurgling. If the cause of the noise is hard to find, call one of our HVAC experts.  

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9. Leaking water

Problem: Puddles are forming about the base of your heat pump or water is dripping from components.

Causes: The two most common causes for heat pump leaks are icy evaporator coils and a clogged or misaligned overflow pan. If your heat pump is leaking water, turn it off and call a Southport professional for repair services.

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Heat Pump Leaking Water
Heat Pump Smells Like Socks

10. Smells (aka Dirty Sock Syndrome)

Problem:  If your heat pump musty smell reminds you of sweaty gym socks, your unit has Dirty Sock Syndrome. These unpleasant odors are caused by mold and bacteria, aggravating allergies and reducing indoor air quality

Causes: Your unit’s coils, drain pan and drainage lines may need a thorough cleaning or the filter may need replacing. Southport’s HVAC professionals can examine the problem and give you the most cost-effective solution.

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Warrantied Heat Pump Repair

Southport offers warrantied repair on virtually any brand of heat pump. We avoid substituting parts whenever possible, and perform all of our repairs according to manufacturer specifications. No matter which brand you trust to keep your home at a comfortable temperature, Southport will make sure it does its job. We service and repair units from:

Contact us for 24/7 Heat Pump Repair in Wisconsin

If you need heat pump repair services in Southeastern Wisconsin, the HVAC repair experts at Southport will provide fast and affordable repairs, 24/7. Contact a Southport expert at a location near you:

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