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Heat pumps are a great way to keep warm air in your home during the winter and cool in the summer, and many people in warmer climates could not survive without their air conditioner pumping cool air during the summer months. If mold grows inside your heat pump or air conditioning unit, it can cause significant problems with either machine’s functionality and performance.

Mold can also cause health problems, including throat irritation, nasal stuffiness, and allergic reactions when mold is left untreated to grow and spread. HVAC (Heating, Ventilation, and Air Conditioning) units can quickly and easily spread mold in your air throughout your entire house.

What Causes Heat Pump Mold to Grow?

The speed with which the fins in the coil and fan blower wheel spin is determined by the air quality passing through it. It might be clogged or filled with dust and grime. When moisture enters, this is a great location for mold to grow. If there is moisture in the air, mold may appear faster.
When the heat pump becomes wet inside, it provides a perfect growing environment for mold spores that can be present in the air or on surfaces such as furnishings or clothing. Since heat pumps produce moist air due to condensation, if there are any inactive mold spores present, they will grow and multiply quickly under these conditions.

Even though you may not see any visible mold on the outside of your heat pump, it does not mean that there is not any mold present on the inside.

Heat pump mold growth often causes substantial degradation in their performance and efficiency because when patches of mold grow on internal components such as cooling coils, they prevent proper airflow. Inefficient airflow can cause the heat pump to freeze or overheat and eventually shut down, requiring expensive repairs.

If you have heat pump mold, you may also notice an increase in your energy bills as your unit struggles to work properly.

What Causes Mold in Air Conditioners?

The air conditioner works similarly to the heat pump to regulate the air in your home. The main difference is that the air conditioner blows cold air into the room, while the heat pump heats up the air. Air conditioners can also get moldy if they are not properly maintained and there is water leakage inside.

How to Prevent Mold in Your Heat Pump

Even if you have treated the heat pump mold, it is important to take some preventative steps to help keep it from coming back.

  • Make sure that the ac unit or heat pump is properly drained and does not have any standing water near it.
  • Clean the coils and fins of the unit regularly.
  • Check for any water leaks around the seams or drainage ports and fix them as soon as possible.
  • Install a dehumidifier in your home to help control the humidity level.
  • Run an air conditioner or dehumidifier in your home during the winter to help dry out the air and prevent mold growth.

Mold is not something that you want to risk exposing your family to, especially if there are health problems such as asthma or allergies in the family. If you see any signs of heat pump mold, take the necessary precautions right away.

Recommended Treatment: HydroKleen

HydroKleen is the industry leader in Heat pump and Airconditioning cleaning for dealing with mold, dust and bacteria that has built up in your heat pump. Using an approved biodegradable cleaning solution and sanitizer with a low pressure wash of the inner drum and coils the results speak for themselves.


To have your heat pump checked or serviced, read more here or contact us today!

Highly recommend the hydro Klean treatment, I had it done last year due to my air con having a weird smell and the guys who did it had awesome customer service, explained the process really well and when they were done my air con smelt beautiful again and hasnt got the stinky odour back after around 6months
Skye
Customer Facebook review

HydroKleen Demonstration

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