Large air conditioners review 2008

Keep your living room cool this summer.
 
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  • Updated:26 Aug 2008
 

02.Results

The following models scored the best results in our test.

What to buy
Brand Price
Mitsubishi Heavy Industries SRK63ZEA-S1 / SRK63ZE-S1 $1675
Mitsubishi Heavy Industries SRK71ZEA-S1 / SRC71ZE-S1 $1816
Panasonic CS-E24GKR / CU-E24GKR $2199
Fujitsu ASTA24LCC / AOTR24LCC $2699
 

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Results table

Full results for all models are shown in the table below.

Cost Performance
Brand / model (in rank order) Yearly running cost ($) Price ($) * Overall Score (%) Cooling efficiency score (%) Heating efficiency score (%) Airflow score (%) Ease of use score (%) Noise indoor** / outdoor Measured cooling (kW) Measured heating (2°C outside) (kW) Rated heating (7°C outside) (kW)
Mitsubishi Heavy Industries SRK63ZEA-S1 / SRK63ZE-S1
www.mhi.net.au
280 1675 86 81 97 88 70 Quieter / Quieter 5.9 6.7 7.1
Mitsubishi Heavy Industries SRK71ZEA-S1 / SRC71ZE-S1
www.mhi.net.au
310 1816 80 82 77 86 75 Quieter / Quieter 6.8 6.6 8
Panasonic CS-E24GKR / CU-E24GKR (A)
www.panasonic.com.au
310 2199 75 75 80 71 70 Quieter / Quieter 6.7 7 8.6
Fujitsu ASTA24LCC / AOTR24LCC
www.fujitsugeneral.com.au
330 2699 74 78 67 77 76 Quieter / Quieter 6.9 7.1 8.5
Airwell XLV26 / GLV26 (B)
www.airwell.com.au
320 1617 73 78 72 66 65 Quieter / Quieter 6.8 6.6 7.1
Toshiba RAV-SM802KRT-E / RAV-SM802AT-E
www.toshiba-aircon.com.au
340 2000 69 71 69 63 73 Quieter / Quieter 6.4 6 8
Mitsubishi Electric MSZ-GA71VA / MUZ-GA71VA
www.mitsubishi-electric.com.au
380 2317 63 57 54 80 82 Quieter / Quieter 6.3 5.5 8.1
Carrier 42PQV080X / 38VYX080N
www.carrier.com.au
360 2009 62 63 59 62 68 Quieter / Medium 6.2 6.1 7.6
Haier HSU-26HO3 / R2 (DB)
www.haier.com.au
380 1150 60 52 63 73 60 Quieter / Quieter 6.5 6.1 8.1
Mistral MSS6.8INV
www.mistral.com.au
410 899 54 49 48 69 64 Noisier / Noisier 7 8 7.9
 


  Features Specifications
Brand / model (in rank order) Number of fan speeds Fast operation Quiet operation Fan-only mode Sleep mode Dimensions indoor unit (H x W x D; cm) Refrigerant
Mitsubishi Heavy Industries SRK63ZEA-S1 / SRK63ZE-S1
www.mhi.net.au
5 32 x 110 x 26 R410A
Mitsubishi Heavy Industries SRK71ZEA-S1 / SRC71ZE-S1
www.mhi.net.au
5 32 x 110 x 25 R410A
Panasonic CS-E24GKR / CU-E24GKR (A)
www.panasonic.com.au
7 28 x 91 x 24 R410A
Fujitsu ASTA24LCC / AOTR24LCC
www.fujitsugeneral.com.au
4 32 x 100 x 23 R410A
Airwell XLV26 / GLV26 (B)
www.airwell.com.au
3 29 x 101 x 23 R410A
Toshiba RAV-SM802KRT-E / RAV-SM802AT-E
www.toshiba-aircon.com.au
5 30 x 100 x 23 R410A
Mitsubishi Electric MSZ-GA71VA / MUZ-GA71VA
www.mitsubishi-electric.com.au
3 33 x 110 x 26 R410A
Carrier 42PQV080X / 38VYX080N
www.carrier.com.au
3 30 x 108 x 20 R410A
Haier HSU-26HO3 / R2 (DB)
www.haier.com.au
5 31 x 115 x 24 R410A
Mistral MSS6.8INV
www.mistral.com.au
3 32 x 104 x 22 R22
 

Table notes

Scores

The overall score is made up of:

  • Cooling efficiency: 40%
  • Heating efficiency: 30%
  • Airflow: 20%
  • Ease of use: 10%

We weighted cooling efficiency more highly than heating efficiency because reverse-cycle air conditioners are more often used for cooling than heating in Australia.

(A) About to be replaced by new model CS/CU-E24HKR
(B) The Airwell distributor (ECP Australia) went into administration in 2008. For those who purchased an Airwell product on or before 30th June 2007, warranties are no longer honoured. For warranty claims on Airwell products purchased on or after 1st July 2007, consumers should ring Seeley Products on (08) 8328 3866.
* Recommended or average retail price, as of July 2008.
** Lowest fan setting.

How we tested

  • To determine their cooling and heating efficiency, our testers operated the air conditioners continuously at their maximum thermostat and fan settings.
  • The results are a worst-case efficiency scenario for inverter models, as most of the time they’ll run at lower than their maximum capacity.
  • The testers used the test room and climate conditions in the Australian Standard, measuring and rating the cooling/heating output (in kW) per kW of power used.
  • In addition, they measured the units’ cooling efficiency at 50% of the measured capacity.
  • The testers measured the indoor airflow (in litres per second) on the highest and lowest fan settings.
  • They assessed the ease of use of the remote controls, instruction manuals and timers, as well as the ease of removing and refitting the air filters for cleaning.
  • The testers measured the noise levels of the indoor unit with the fan on the lowest possible setting, and of the outdoor unit while it was installed in our test room.

Measured capacity

Reverse-cycle air conditioners are sold with rated heating and cooling capacities — you choose one based on the cooling and heating capacity required for your room(s). Shown in the table is the highest capacity we measured for cooling, and for heating at 2C, plus the rated heating capacity at 7C.

Yearly running costs

We calculated how much each model costs to deliver 3000 kWh of cooling (1500kWh at full capacity and 1500kWh at part capacity) and 3000 kWh of heating per year (based on electricity costs of 15 cents/kWh).

We didn’t include standby costs (for power used when the air conditioner is plugged in but not operating), as based on previous tests they’re likely to be only a few dollars a year. It may still be a good idea to unplug your air conditioner (if possible) when it’s not in use for long periods of time.