How to keep commercial air conditioning running smoothly

How to keep commercial air conditioning running smoothly


In a commercial environment, air-conditioning systems can often be taken for granted until something goes wrong. It is a necessity to have a constantly running, efficient HVAC system.

The caliber of your commercial air conditioning relies heavily on having the correct type of system for your premises, installed by a certified HVAC professional. However, to ensure that the system continues to run smoothly and without interruption, you’ll need regular maintenance and servicing.

Here is how to keep your commercial air-conditioning system running smoothly at all times:

Check the warranty

Your first step in maintaining your air conditioner is to check the manufacturer’s warranty before proceeding. Some warranties allow for a certain amount of self-maintenance, such as filter changing. However, other warranties will be voided if you touch any aspect of the installation yourself. To avoid any unpleasant backlash, check any self-maintenance you want to do with the dealer or manufacturer in advance.

Schedule maintenance appointments

Warranty stipulations aside, most commercial HVAC installations should be serviced by a qualified professional at least annually. Hard-working commercial aircons will most likely require bi-annual maintenance to ensure the system is prepared and running at peak efficiency. Regular maintenance of your air conditioning will also help to prolong the lifespan of the entire system.

Along with bi-annual appointments, depending on your system type, certain elements of the HVAC set-up may require maintenance or servicing at alternate times of the year. Therefore, the best way to ensure the system continues to run smoothly is to book all appointments in advance with your service provider so that nothing is missed.

Visually inspect system

Visually inspecting the various elements of your air-conditioning system on a regular basis helps to identify any areas that need attention. This is especially valuable in advance of a maintenance visit from your qualified HVAC contractor.

Inspect both the indoor and outdoor elements of the system for leaks and any signs of wear and tear. The evaporator coils, all cabinets and units and along the ductwork should be checked visually for evidence of leaks or any apparent holes. The fan blades should be inspected both when stationary and in motion to properly determine any damage.

Further things you can do:

In addition to regularly visually inspecting the air-conditioning system, there are further ways that you can assist in the maintenance of your commercial air conditioning.

  • Keep the main outdoor cabinets clear of any leaves, dirt or other debris. Keep nearby trees, plants and grass trimmed back.
  • Ensure that the outside of the control box and air handlers are clean.
  • Clean and replace filters regularly (if permitted by manufacturer warranty). This will slow down the soiling of the system’s evaporator coil and condenser coil.
  • Take note of any unusual noises that occur when the system starts.
  • Notice any unpleasant or strange odors and try to trace their source to a general area.

During maintenance

It can be quite incredible how dirty the inside of an air-conditioning system can get. So, in order to continue running smoothly, it is essential that the entire system is cleaned out on a regular basis. When your air-conditioning system is serviced, an engineer will most likely clean the coils with an anti-bacterial agent for air quality and hygiene purposes. All filters will be cleaned and unblocked and drip trays emptied.

This is when your visual inspections will greatly assist the engineer in identifying which areas need additional maintenance. But, regardless, the engineer will still inspect the overall system themselves, checking the electrical components and compressors also, to ensure top performance.

The aluminum fins on evaporator and condenser coils can easily become bent, causing a blockage to the flow of air. These can be “combed” back into place by the engineer. Finally, the engineer will check levels of refrigerant, oil the motors, check any belts for wear, and ensure the accuracy of the thermostat and the system’s operation.

Although no air-conditioning system is without fault on occasion, by adhering to a regular service schedule that encompasses the above maintenance checks, your commercial aircon will continue to run at peak efficiency for longer.

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