Atlas Paving

Customised Airconditioning

Atlas Paving

Atlas Paving

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Ducted Reverse Cycle Air Conditioning

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Ducted reverse cycle air conditioning is a refridgerated system that will both cool and heat your home. The system consists of an outdoor unit, a return grill and ducting through the ceiling with vents in the chosen rooms. There are a number of choices in this area, all of which will cost different amounts to purchase, install and run. Think about what you expect from your system. Ducted reverse cycle air conditioning is as versatile as you need it to be. It's all about lifestyle, automation, consumption and considering the environment- somewhere in there is a balance that will suit your family and your lifestyle.

Zoning and Automation

Zoning is now integrated into most systems. This means the bedrooms might be in one zone that is only on from 7pm in summer, whilst the living areas turns off at 8pm after the sun goes down. The TV room might be in the living 'zone' but you may require that on until 10pm. You might want individual thermostats and controllers for each room, particularly if one child likes a cold room whilst another prefers a warmer room.  Another vital factor is the zoning of the house itself. Ensure that you can close doors off to areas of the house that you don't want to heat or cool at certain times, this will dramatically reduce your energy consumption.

Have a think about what you need from your system. Obviously the more bells and whistles the higher the purchase price but some features will save you money in the long run

  • Multiple thermostats to monitor the temperature in individual rooms
  • Inverter systems use less energy
  • Ability to control the temperature in every room
  • Filtration system for allergy sufferers
  • Option for fresh air fan only (not heated or cooled)
  • Integration with your home automation system
  • SMS controlled

Reverse cycle air conditioning unit

How it works          

This whole house system operates a little like your fridge to cool or heat the air indoors, it is the most efficient electric system to heat your home with, cooling is not quite as efficient however unlike ducted evaporative air conditioning this system is uneffected by humidity. Inverter systems use less energy than conventional refridgerated systems, but really its best to check out the energy rating on a unit through an independant source like the Goverment Energy Rating Site. You should also discuss your requirements with a reputable airconditioning installer. They will know the latest systems and will be able to ascertain the most effective unit for your requirements. Remember you will need after sales service so choose someone who will still be around in the future to honour any service or warranty issues

Ducted reverse cycle units require the following  

  • Ducted through the ceiling (or through concrete slab penetations for two storey) 
  • Compressor unit located outside
  • Must close doors and windows to operate efficiently
  • Have zones installed to reduce consumption
  • Fully automated thermostat controlled units available
  • Check the energy star rating..….the more stars the better
  • Very quiet
  • Adds value to your home
  • Cooling should be turned on low at the start of a hot day rather than on full at 4pm to reduce power load


Don't overlook the asthetics of the finished product. A good installer will give you a choice of grilles and vents to choose from. You might want silver linear grilles for your bulkheads but standard white multi directional grilles elsewhere.

Your ducted reverse cycle air conditioner should be planned before construction begins on your home or at the very latest before your brickwork reaches plate high. The lighting plan and airconditioning plan must not conflict with each other. Your installer will give you a scope of works document to pass onto your builder, it will advise of all items that need to be attended to by the builder and their tradesmen, examples are

  • 3 phase power if required
  • Dropped ceilings if required
  • Slab penetrations and ducting cavities.

These items will need to be costed by your builder.  

Helpful Hints

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Once you have achieved the desired room temperature don’t allow the air to escape the house. Remember up to 40% of heat loss is through windows, consider

  • Double glazed windows
  • Insulation with a high R rating
  • Door seals
  • Window dressings with pelmets