If you have any further questions on air conditioning that you would like to have clarified or answered please do not hesitate to contact us. Our expert friendly team will be more than happy to assist you.


Troubleshooting      


Air conditioners are remarkably reliable, especially when considering that they are put under a significant test every summer. They run for many consecutive hours day after day, and rarely experience any problems. When there is an issue, it is important to quickly diagnose it and know what needs to be done to repair it.

Here are some troubleshooting tips to help get your A/C running prior to logging a Service Call. Of course, if these tips don’t help you – log a Service Call using this website or give us a call.

Cassette System      


Ceiling cassette systems are an ideal option to air condition rooms where there is no available walls to mount a split system or where there is limited ceiling space for a ducted system. These are very discreet, with only the grill showing in the ceiling. These units fit neatly into the ceiling and distribute conditioned air through 2, 3 or 4 sides of the unit.

Cool Air      


When you first enter a home or building that is using air conditioning you feel two things in the air, coolness and dryness. Both of these physical sensations are accomplished by the air conditioning unit. Although you feel cooler – that is not really what the unit does. It removes heat and in the process also pulls moisture from the air. In other words, the air conditioner does not cool the air it removes the heat from the air.

Ducted Air Conditioning      


This type of system is required when a larger space or larger number of rooms are to be air conditioned. The indoor unit is installed in the ceiling cavity of your home. Each room has an outlet in the ceiling for the air flow. These outlets are connected in the ceiling by flexible duct. A ducted system can be zoned to make it easier to control each room either together or individually. Remote controllers or wall mounted controllers allow you to set your desired temperature, choose energy saving and other modes, and set timers for the air conditioning to start and stop automatically at the times you choose.

Energy saving tips for your air conditioner      


The best way to utilise your air conditioner is to turn it on early in the day prior to the heat / cold reaching its maximum. For example, your air conditioner will have to work at full capacity to drop the temperature in a 30 degree room rather than introducing the cooling at 25 degrees. If your Air conditioner has a timer, you can use this function to set your on/off times.

You can optimise the energy-efficiency of your home by insulating the ceiling and walls, and draught-proofing windows and doors. This could be a simple as drawing curtains or blinds, and placing door stoppers at the bottom along the gaps between rooms.

Adjust the louvres on split system air conditioners so they disperse air downwards when heating and upwards when cooling.
A clean filter in your air conditioner ensures that there is no resistance to airflow being distributed. Clean them regularly.

Environmental Impact      


There is no denying that R22 refrigerant (specifically hydroflourocarbons (HFC)) used in most air conditioners is harmful to the ozone layer. As concerns over R22 continue to increase, so does the obligation of owners and operators of equipment that still uses R22. Owners of equipment in commercial applications are now responsible for checking for leaks, record keeping and labeling of equipment using this gas type. Northernair undertakes weekly checks on all storage and delivery systems in relation to R22. In addition, we undertake checks to all our clients’ equipment registered in our Scheduled Maintenance Contracts. If you would like to be added to Northernair’s Maintenance register please give us a call. (Applies to all size air conditioners, both domestic and commercial.)

Northernair, as part of the beautiful Northern Rivers, makes every effort to prevent gas leakage and encourages the introduction of R410a – a refrigerant much more effective in its cooling capacity and its environmentally friendly status.   In it envisaged that by 2020, most air conditioners sold will use R410a and the subsequent phasing out of R22 is welcomed.

Filter light flashing      


Filters require cleaning. Depending on the environment or the air purity, in a normal domestic situation clean your filters once every season. In a commercial situation or during periods of heavy use, once every month is recommended.

Health benefits      


A well maintained air conditioning system can only contribute to a healthier environment. Because it controls humidity, the growth of dust mites and moulds is reduced. Air conditioning maintains humidity levels of 40 – 60% which is a great feature for people with allergies.

All units are equipped with a filter. The effectiveness of a filter includes:

  • catching dust
  • pollen
  • bacteria
  • viruses
  • odours
  • even microbes and smoke

Additionally:

  • Extreme heat has a clear negative impact on the intellect and on physical activity and the use of air conditioning can go some way to rectifying this.
  • It improves comfort levels at work and at leisure.
  • It improves job performance.
  • It can result in increased physical and intellectual activity.
  • A lower temperature reduces the presence of insects and parasites.
  • Lower temperatures mean less sweating, reducing the risk of dehydration.
  • If the air conditioning installation is good, and if it is well maintained, it renews and improves air quality

High Wall Split      


Split system air conditioners have two pieces which are spilt between the inside of a house and the outside. The Indoor or ‘head’ unit is usually high on the wall in a room inside the house and the outdoor piece is generally directly behind (on the other side of that wall) but on the outside of the house. Split systems tend to be more efficient for a particular size range as their components are generally less constrained by size. Split systems have the advantage of being quieter indoors during operation.

Inverter systems      


An inverter air conditioner allows the unit to continuously regulate its thermal power flow. This means that the compressor’s speed can be varied by eliminating stop-start cycles increasing efficiency, extending the life of components, and helping to eliminate sharp fluctuations in the load the air-conditioner places on the power supply.

Multi-Split      


For greater versatility, inverter multi-split system models allow multiple indoor units to be connected to a single outdoor unit. The Multi-Split system allows for more than one indoor unit to be operated from a single outdoor unit. This makes it an economic answer in multi-room applications.

RAC      


An RAC refers to a ‘Room Air Conditioner’. These are the types of air conditioners that you commonly find sitting in windows. This type of air conditioner is no longer commonly found in many brands as the Government has recommended that the split system type air conditioners are more economical, quieter and more energy efficient.

The life expectancy of air conditioners      


Like most appliances, an air conditioner needs to be regularly cleaned and maintained. The filters need to be cleaned and the whole system should be serviced every 18 months or for heavy users every year. Houses that are close to salt air and direct salt from living in seaside suburbs should have their outdoor system checked regularly.

Commercial systems are best maintained on a monthly or bi monthly basis. A maintenance schedule can be arranged with the service department. If regularly maintained an air conditioner can last up to 10 years. However, when the air conditioner starts having any problems that are not cost-effective to fix, it may be time to replace it.

The outdoor unit is dripping water      


It is normal for the outside unit to drip water, particularly when operating a window unit or the system is in heating mode. Most units have a drain outlet and coupling supplied should you wish to connect a drainpipe to remove this water to drain at a different location. Remember that air conditioners don’t cool the air, they remove the heat and humidity from the air therefore water as a waste product is normal.

Unit is blowing warm air      


Check that your Remote Control is set correctly. Ensure that the fan speed is set, the heating / cooling modes are accurate and that the remote is not set to Auto. If all this seems to be fine, remove the batteries and reprogram the remote control.

Warm Air (Reverse Cycle Systems)      


Reverse cycle air conditioning extracts heat from the outside air, even on colder nights, and transfers it inside. The external coil absorbs the heat from the outside air and then pumps it through a compressor inside the home releasing its heat into the room.

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