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Why is My Panasonic Heat Pump Emitting Strange Odors?

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Why is My Panasonic Heat Pump Emitting Strange Odors?

Posted On: May 29, 2023

Why is My Panasonic Heat Pump Emitting Strange Odors?

If your Panasonic heat pump is emitting strange odors, it could be due to various reasons. Here are some common causes and possible solutions:


  1. Dust and Debris Accumulation:


    • Over time, dust, dirt, and debris can accumulate in the heat pump's components. When the system is turned on, these particles may burn off, resulting in a peculiar odor.
    • Solution: Schedule regular maintenance and cleaning for your heat pump. This may involve cleaning or replacing filters, as well as inspecting and cleaning the coils.
  2. Mold or Mildew Growth:


    • Moisture and organic matter can create an environment conducive to mold or mildew growth inside the heat pump, leading to unpleasant smells.
    • Solution: Ensure proper drainage and address any water leaks. Consider using a mold and mildew cleaner or hiring a professional to clean the interior components.
  3. Dirty Evaporator or Condenser Coils:


    • Over time, the evaporator and condenser coils can become dirty, reducing their efficiency and causing strange smells.
    • Solution: Regularly clean the coils or hire a professional technician to perform the cleaning during routine maintenance.
  4. Refrigerant Leaks:


    • A refrigerant leak can produce a sweet or chemical-like smell. This is a serious issue that requires immediate attention, as refrigerant leaks can be harmful to your health and the environment.
    • Solution: If you suspect a refrigerant leak, turn off the heat pump immediately and contact a professional technician to inspect and repair the system.
  5. Electrical Issues:


    • If there are electrical problems within the heat pump, it may lead to overheating or burning smells.
    • Solution: Turn off the heat pump and contact a qualified HVAC technician to inspect and repair any electrical issues.
  6. Animal or Insect Infestations:


    • Animals or insects can sometimes find their way into the heat pump, leaving behind debris or causing damage that results in odors.
    • Solution: Inspect the unit for any signs of pests, and if present, take appropriate measures to remove them. Repair any damage they may have caused.

If you are unsure about the cause of the strange odor or if you are unable to resolve the issue on your own, it is recommended to contact a professional HVAC technician to inspect and service your Panasonic heat pump. Regular maintenance can help prevent many issues and ensure the efficient and odor-free operation of your system.



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Great service and great people to deal with, from sales to installer. I highly recommend this company.

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We wanted to get our AC replaced as it was 22-years old and added to this our furnace was costing more and more to repair. So, we decided to get both the furnace and AC replaced.

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I contacted TwinTech to replace my 20-year old A/C. Dave, their service rep, promptly replied and was at my home within 2 hours. He was friendly and knowledgeable and didn't try to upgrade or oversell their A/C units but suggested the best fit for my small 1000 feet bungalow. Although this was during a heatwave and very busy, they were able to fit me in 2 days later. The TwinTech crew installed a 1.5 ton Ducane A/C unit that is now running smoothly while maintaining a constant cooling temperature. The crew were very courteous, professional and efficient and I will definitely recommend TwinTech to family and friends. I much appreciated your great service.
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We had a great experience. The guys who installed our a/c did a nice job. Cleaned up.

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TwinTech was a pleasure to deal with from the estimate through installation. We replaced a 28 year old a/c unit with one recommended by TwinTech's sales representative Dave who took the time to go over the product with us and answer any questions. The warranty is for 10 years parts and labour and they will complete the registration for you. Installation was by Greg (owner) and Mitch and Spencer who were quick and efficient and left everything clean and tidy.

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TwinTech is an excellent and honest company! I called them for a second opinion after being told by another company that I needed to replace my furnace. Turns out this was not the case at all! I did not need a new furnace. TwinTech did not push to make an unnecessary sale and saved me from a huge expense. Bob and Mitch were extremely professional and above all honest! I definitely recommend TwinTech!

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