Heating, Cooling and Electrical services for Canberra & Surrounding areas
Is your system leaking a fair bit of water outside? Is it periodically not blowing warm air? Don’t worry, your system might just be performing a “defrost” cycle. For those with new reverse cycle systems who aren’t used to this function, sit back and relax, and let us explain why there is nothing to worry about.
When in heating mode, your air conditioning system extracts heat from the air outside and transfers it to the interior of your home. The defrost cycle will start as the temperature of the exterior heat exchange becomes too cool (0oC and below), causing moisture in the outside air to freeze on the surface. Your outdoor unit sensors will detect this this build-up and will initiate a “defrost” cycle, causing the indoor and outdoor fans to stop whilst keeping the compressor running to melt away the ice to prevent build up. This cycle will continue until the outdoor heat exchange temperature rises and the ice melts away. This is why it can appear like large amounts of water are leaking from your system and why warm air can stop blowing from your system inside. Its just the system doing its job to maintain peak efficiency.
Many factors can contribute to how often your system will go into “defrost” mode. This can include the outdoor temperature and humidity, how high you have your system’s temperature set to, the cleanliness and condition of your system, and if your system is the correct size for the area.
If you find your system going into “defrost” mode more than before, there are steps to reduce this:
· Ensure there are no physical barriers around your outdoor unit that will block the airflow to the unit.
· Keep the temperature of the unit set at a reasonable level. Higher temperatures will cause the system to defrost more frequently and will use more energy to reach these higher temperatures.
· Make sure your system is regularly maintained and serviced every 12 to 18 months. A system that is regularly serviced will operate at peak efficiency, prolong the life of your system and reduce running costs.
· Have a system that is correctly sized for the space its placed in. A smaller system will struggle in the cooler months to heat a space too large for its capacity. This in turn will make the system go into “defrost” mode more frequently and will be more prone to breakdowns and service calls. When researching systems, ensure the company you employ have experienced technicians to provide your quote.
If you’re worried that there may be an issue with your system or its performance is not what it used to be, it may be time to have one of our qualified technicians come and have a look at your system. Our technicians can provide a service to check over all components of your system, cleaning your interior system as well as checking your outdoor unit to ensure peak efficiency.
If you’re worried your system may be too small for the area its placed, our technicians can provide a quote to install a system that is up to the task. Whether it be a reverse-cycle ducted or wall mounted system, our technicians will measure up the area and make sure your system is correctly sized to heat and cool your home, especially during our cold Canberra winters.
For any questions about your system or to book in a quote or service,
call AirConditioning Canberra.
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