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What Happens If the Air Source Heat Pump Breaks Down?

Views: 0     Author: Site Editor     Publish Time: 2024-02-22      Origin: Site


Air source heat pumps (ASHPs) have become a popular choice for their efficiency and environmentally friendly advantages. However, like all machinery, there's a chance an ASHP could break down. When this happens, it poses a major inconvenience, especially in extreme weather conditions. This blog post will explore what happens when an air source heat pump breaks down and the steps to take for resolution.

Signs Your ASHP May Be Malfunctioning

Before a complete breakdown, your ASHP may exhibit some signs of trouble. These can include:

  1. Reduced  Heating or Cooling Output: If the temperature in your home is not consistent with what you set on your thermostat, the ASHP could be losing its efficiency.

  2. Increased Energy Bills: A sudden and unexplained increase in your energy bills could be a result of an inefficient working heat pump.

  3. Strange Noises or Odors: Unusual sounds or smells emanating from the heat pump can indicate a possible malfunction.

  4. Frequent Cycling: If the heat pump is constantly turning on and off, it may be struggling to maintain the desired temperature.

Steps to Take When Your ASHP Breaks Down

In case of a breakdown, here's what you can do:

  1. Check the Power Supply: Ensure the unit is receiving power by checking your circuit breakers and the switch on the unit.

  2. Examine the Thermostat: Confirm that your thermostat is on and set to the correct temperature.

  3. Inspect the Filters and Outdoor Unit: A bloated filter or a blocked outdoor unit can cause your unit to stop. Always verify if these parts are clean and unobstructed.

  4. Contact a Professional: If there's still no resolution, call a certified HVAC professional. Don’t attempt      repairs on your own as incorrect handling can cause more damage or void your warranty.

When to Call a Professional

While troubleshooting can resolve some minor issues, there are situations where you should call a professional HVAC technician:

  • Refrigerant Leaks: Handling refrigerant is dangerous and requires specialized equipment. If you suspect a refrigerant leak, call a professional immediately.

  • Electrical Issues: If you find loose connections, corroded wires, or other electrical problems, it's best to leave the repair to a qualified technician.

  • Unusual Sounds or Smells: Strange noises or odors coming from your heat pump may indicate more significant issues that require professional assessment.

  • Consistent Problems: If problems persist or worsen despite your troubleshooting efforts, professional help is needed to diagnose and fix the underlying issues.

The Impacts of a Broken ASHP

Apart from the inconvenience and discomfort, a broken ASHP can also have other unfortunate implications:

  1. Increased Energy Consumption: An ailing heat pump can consume more power to provide the same or less comfort.

  2. Long-Term Damages: Ignoring the problem can lead to more severe damages and costly repairs down the line.

  3. Reduced Lifetime: A broken ASHP that's not repaired promptly can have a reduced lifespan.


An ASHP breakdown can be a real inconvenience, disrupting your home's comfort and leading to increased energy consumption. If you notice signs of malfunction, address them promptly to avoid complete breakdown. Remember, in case of a breakdown, follow basic troubleshooting steps and call a certified professional to assess and repair your unit. Regular maintenance can keep your ASHP running smoothly, extend its lifespan, and prevent unexpected breakdowns.

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