split system installation

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Back to Back Split System Installation





  • Split system air conditioning unit
  • Back to back installation
  • Refrigeration and electrical work.
  • Compliance certificates


Prices are for single storey residential homes

Apartments and commercial properties may incur extra costs.

Compliance certificates are required by LAW.

These guarantee you a 6 year installation warranty.




pic compliance certificate


Energy safe


electrical compliance certificate



All wall split prices listed on our site include this installation.   


            What you get:

  • Outdoor unit positioned on concrete slabs or plastic feet
  • Up to 3 meters of refrigeration pipe and interconnecting cables
  • Up to 10 meters electrical supply
  • Includes 1 Length duct cover (2.4meters)
  • Weatherproof Electrical isolator next to outdoor unit
  • Compliance certificates
  • 2.5kw to 3.5kw connected to existing power circuit
  • 5.0kw to 8.0kw connected to a new 20 amp circuit

These prices include both refrigeration work and electrical work.      



back to back example


Maybe you need to go over doors or windows.  
Extras are charged for pipe,drain and electrical cables that exceed 3 meters. 

Charged at $45 per meter



2.5kw Carrier QHC026 - $1445

plus extra 5 meters - $225

Total - $1670



back to back extras


Back to Back Installation Gallery

Intermediete installations

Advanced installations

Photo 1

Photo 2

Basic Back to Back

The two examples on the left are basic back to back installations. The indoor units are directly behind the walls and the pipes and drain run straight down, no more than 3 meters away to the outdoor unit.

Price Example Photo 1

  • 7KW Daikin unit 
  • Basic back to back installation 

Total - $2900 inc GST

Price Example Photo 2

  • 7KW Mitsubishi unit 
  • Basic back to back installation 

Total - $2595 inc GST

The colourbond duct cover is matched as close as possible to match the house.

Photo 1

Photo 2

Basic back to back with extras

The two examples to the left are back to back installations with extras. The indoor units are on the same external wall but further away from the indoor unit.

Price examples photo 1

  • 7KW LG unit 
  • Back to back installation 
  • Extras (4m of pipe and duct) 

Total - $2865 inc GST

Price examples photo 2

  • 7KW Daikin unit 
  • Basic back to cack installation 
  • Extras (2m of pipe and duct)

Total - $2990 inc GST

Notice the colour bond ducting was matched to the two different colours of the wall in photo 2.

Split system air conditioner package deals - Back to back installations


Our website offers complete package deals for multiple split systems.

As back to back installations are the most cost effective installation type it is very common for people who have purchased a split system home package to have their units installed this way


This installartion is a classic example of heating and cooling your entire home as cheaply as possible.


house layout

bedroom 1

bedroom 2

master bedroom