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Writer's pictureSweep Heat Pump Cleaning

Sweep Heat Pumps Guide to Proper Mini-Split Heat Pump Maintenance

Updated: May 31

Mini-split heat pumps, also known as ductless heat pumps, have become increasingly popular in recent years as a cost-effective and energy-efficient way to heat and cool homes and buildings. However, they require proper maintenance in order to function efficiently. In this post, we will discuss proper mini-split heat pump maintenance, and the things you can do to ensure you getting the cleanest air, most efficiently.




One of the most important aspects of mini-split heat pump maintenance is regularly checking and cleaning the air filters. The air filters are responsible for removing dirt, dust, and other contaminants from the air before it is circulated through the system. Dirty air filters can restrict airflow, which can lead to a decrease in the system's efficiency and an increase in energy costs. It is recommended to check the air filters every 2-3 months and replacing them at least once every three years, or more frequently if you have pets or live in an area with high levels of dust or other pollutants.


Another important aspect of mini-split heat pump maintenance is keeping the outdoor unit clear of debris. The outdoor unit contains the condenser, which is responsible for dissipating the heat absorbed from the indoor unit, or vice-versa in the winter. If the condenser becomes covered with debris, such as leaves or grass clippings, it can become damaged or overheat. It is important to keep the area around the outdoor unit clear and to trim back any bushes or trees that may be blocking the airflow to the unit. This can be particularly evident in the wintertime when snow builds up on the unit. You may also want to consider installing a snow guard or debris shield on your exterior unit.





Ensuring proper airflow is also a crucial step in maintaining your mini-split heat pump. The indoor unit needs adequate airflow in order to function properly, so it is important to make sure that there are no obstructions in the airways on the front of the unit or the airflow tubes running into the home. You can also hire Sweep Heat Pump Cleaning to clean the indoor unit's coils and fan blades to improve airflow and performance.


Regularly checking the electrical connections and tightening any loose connections is also an important step in maintaining your mini-split heat pump. Loose connections can lead to power loss and increased energy costs. It is also important to check for any damage to the wiring, as damaged wiring can be a fire hazard. This should also be performed by a certified professional.


Finally, it's important to schedule regular maintenance checks by a professional technician. During a maintenance check, the technician will inspect the system, clean the coils, check for proper airflow, and suggest any necessary repairs. It is recommended to schedule maintenance checks and cleanings at least once a year, or more frequently if you use your mini-split heat pump heavily. If your device isn't producing heat effectively, you can reach out to Sweep Heat Pump Cleaning for a consultation and maintenance check.





Proper mini-split heat pump maintenance is crucial to ensure that your system is running efficiently and effectively. Regularly cleaning the air filters, keeping the outdoor unit clear of debris, ensuring proper airflow, checking the electrical connections, and scheduling regular maintenance checks and cleanings by a professional technician can help to extend the life of your system and reduce energy costs.


If you haven't had your Heat Pump cleaned in the last year, you can reach out to Sweep Home Efficiency & Air Quality for your annual consultation and maintenance check or book online using the following link: https://sweepclean.ca/booking



When was the last time you had your Heat Pump professionally cleaned and maintained?

  • Within the last year.

  • 1 - 2 years ago.

  • Over 2 years ago.

  • Never!


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