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One outdoor unit serves several indoor units. Room sizes and the chosen combination affect cost and performance.

Pick two or three to compare side by side.

25 models

Cost: more bars means higher equipment cost. For cooling capacity and parts warranty, more bars means a higher published figure.

Daikin CTXM-R Cora indoor unit; representative same-range photograph, outdoor unit and other selected heads not picturedDaikin

Daikin Cora 3-room 5.2 kW rated combination

Cost level

1.8 / 5
Relative equipment cost; installation varies

Cooling capacity

1.3 / 5
5.2 kW rated cooling

Parts warranty

3.6 / 5
5 years of main-product parts cover

Pros

  • 3 rooms share one outdoor unit.
  • Weekly timers can follow a separate routine in each room.

Cons

  • Phone control needs an optional adapter for every selected room unit.
Daikin CTXM-R Cora indoor unit; representative same-range photograph, outdoor unit and other selected heads not picturedDaikin

Daikin Cora 4-room 6.8 kW rated combination

Cost level

2.2 / 5
Relative equipment cost; installation varies

Cooling capacity

1.7 / 5
6.8 kW rated cooling

Parts warranty

3.6 / 5
5 years of main-product parts cover

Pros

  • 4 rooms share one outdoor unit.
  • Weekly timers can follow a separate routine in each room.

Cons

  • Phone control needs an optional adapter for every selected room unit.
Daikin CTXM-R Cora indoor unit; representative same-range photograph, outdoor unit and other selected heads not picturedDaikin

Daikin Cora 4-room 8 kW rated combination

Cost level

2.5 / 5
Relative equipment cost; installation varies

Cooling capacity

2.0 / 5
8 kW rated cooling

Parts warranty

3.6 / 5
5 years of main-product parts cover

Pros

  • 4 rooms share one outdoor unit.
  • Weekly timers can follow a separate routine in each room.

Cons

  • Phone control needs an optional adapter for every selected room unit.
Daikin CTXM-R Cora indoor unit; representative same-range photograph, outdoor unit and other selected heads not picturedDaikin

Daikin Cora 5-room 10 kW rated combination

Cost level

3.1 / 5
Relative equipment cost; installation varies

Cooling capacity

2.5 / 5
10 kW rated cooling

Parts warranty

3.6 / 5
5 years of main-product parts cover

Pros

  • 5 rooms share one outdoor unit.
  • Weekly timers can follow a separate routine in each room.

Cons

  • Phone control needs an optional adapter for every selected room unit.
Emerald ACR126U outdoor unit; compatible indoor heads supplied separatelyEmerald

Emerald Multi Pro 12.6 kW

Cost level

Not scored

Cooling capacity

3.2 / 5
12.6 kW rated cooling

Parts warranty

5.0 / 5
7 years of main-product parts cover

Pros

  • Up to five indoor units share one outdoor box.
  • Sleep and quiet modes reduce disturbance during quieter hours.

Cons

  • Phone control requires the optional AC Link accessory.
Emerald ACV180U outdoor unit; compatible indoor heads supplied separatelyEmerald

Emerald Multi Ultra 18.1 kW

Cost level

Not scored

Cooling capacity

4.5 / 5
18.1 kW rated cooling

Parts warranty

5.0 / 5
7 years of main-product parts cover

Pros

  • Up to nine indoor units share one outdoor box.
  • The outdoor box is 1.08 metres tall, compared with 1.65 metres for the 20 kW version.

Cons

  • Needs at least two indoor units, so it cannot serve just one room.
  • Phone control requires the optional AC Link accessory.
Emerald ACV200U outdoor unit; compatible indoor heads supplied separatelyEmerald

Emerald Multi Ultra 20 kW

Cost level

Not scored

Cooling capacity

5.0 / 5
20 kW rated cooling

Parts warranty

5.0 / 5
7 years of main-product parts cover

Pros

  • Up to nine indoor units share one outdoor box.
  • Provides 26 kW of shared heating capacity across the connected rooms.

Cons

  • The outdoor box is 1.65 metres tall and 1.25 metres wide.
  • Phone control requires the optional AC Link accessory.
MHI Avanti WF1 indoor unit; representative same-range photo, other selected room units and outdoor unit not picturedMitsubishi Heavy Industries

MHI Avanti Wi-Fi 2-room 4.5 kW combination

Cost level

1.4 / 5
Relative equipment cost; installation varies

Cooling capacity

1.1 / 5
4.5 kW rated cooling

Parts warranty

3.6 / 5
5 years of main-product parts cover

Pros

  • 2 room units share one outdoor box.
  • Phone control is built into every selected room unit.

Cons

  • The special allergen-cleaning cycle does not work in this multi-room combination.
MHI Avanti WF1 indoor unit; representative same-range photo, other selected room units and outdoor unit not picturedMitsubishi Heavy Industries

MHI Avanti Wi-Fi 2-room 5 kW combination

Cost level

1.6 / 5
Relative equipment cost; installation varies

Cooling capacity

1.3 / 5
5 kW rated cooling

Parts warranty

3.6 / 5
5 years of main-product parts cover

Pros

  • 2 room units share one outdoor box.
  • Phone control is built into every selected room unit.

Cons

  • The special allergen-cleaning cycle does not work in this multi-room combination.
MHI Avanti WF1 indoor unit; representative same-range photo, other selected room units and outdoor unit not picturedMitsubishi Heavy Industries

MHI Avanti Wi-Fi 3-room 6 kW combination

Cost level

1.8 / 5
Relative equipment cost; installation varies

Cooling capacity

1.5 / 5
6 kW rated cooling

Parts warranty

3.6 / 5
5 years of main-product parts cover

Pros

  • 3 room units share one outdoor box.
  • Phone control is built into every selected room unit.

Cons

  • The special allergen-cleaning cycle does not work in this multi-room combination.
MHI Avanti WF1 indoor unit; representative same-range photo, other selected room units and outdoor unit not picturedMitsubishi Heavy Industries

MHI Avanti Wi-Fi 3-room 7.1 kW combination

Cost level

2.1 / 5
Relative equipment cost; installation varies

Cooling capacity

1.8 / 5
7.1 kW rated cooling

Parts warranty

3.6 / 5
5 years of main-product parts cover

Pros

  • 3 room units share one outdoor box.
  • Phone control is built into every selected room unit.

Cons

  • The special allergen-cleaning cycle does not work in this multi-room combination.
MHI Avanti WF1 indoor unit; representative same-range photo, other selected room units and outdoor unit not picturedMitsubishi Heavy Industries

MHI Avanti Wi-Fi 4-room 10 kW combination

Cost level

2.8 / 5
Relative equipment cost; installation varies

Cooling capacity

2.5 / 5
10 kW rated cooling

Parts warranty

3.6 / 5
5 years of main-product parts cover

Pros

  • 4 room units share one outdoor box.
  • Phone control is built into every selected room unit.

Cons

  • The special allergen-cleaning cycle does not work in this multi-room combination.
MHI Avanti WF1 indoor unit; representative same-range photo, other selected room units and outdoor unit not picturedMitsubishi Heavy Industries

MHI Avanti Wi-Fi 4-room 8 kW combination

Cost level

2.4 / 5
Relative equipment cost; installation varies

Cooling capacity

2.0 / 5
8 kW rated cooling

Parts warranty

3.6 / 5
5 years of main-product parts cover

Pros

  • 4 room units share one outdoor box.
  • Phone control is built into every selected room unit.

Cons

  • The special allergen-cleaning cycle does not work in this multi-room combination.
One of the two selected DXK06ZSA-WF1 Avanti indoor units; current maker range photograph, outdoor unit not picturedMitsubishi Heavy Industries

MHI Avanti Wi-Fi two-room 4.0 kW combination

Cost level

1.2 / 5
Relative equipment cost; installation varies

Cooling capacity

1.0 / 5
4 kW rated cooling

Parts warranty

3.6 / 5
5 years of main-product parts cover

Pros

  • Two rooms share one outdoor unit, reducing the number of outside units.
  • Built-in phone control is included in both selected room units.
  • Turn each room on or off and set its temperature separately.

Cons

  • This outdoor unit supports two rooms only; adding a third needs a different system.
  • The special allergen-cleaning cycle does not work in this multi-room combination.
Mitsubishi Electric AP room unit; representative AP range photograph, outdoor unit and other selected room units not picturedMitsubishi Electric

Mitsubishi Electric AP 3-room 7.1 kW kit 71A

Cost level

2.0 / 5
Relative equipment cost; installation varies

Cooling capacity

1.8 / 5
7.1 kW rated cooling

Parts warranty

3.6 / 5
5 years of main-product parts cover

Pros

  • 3 rooms share one outdoor unit, reducing equipment outside your home.
  • Phone control is built into every selected room unit.

Cons

  • Operating rooms must all heat or all cool at the same time.
Mitsubishi Electric AP room unit; representative AP range photograph, outdoor unit and other selected room units not picturedMitsubishi Electric

Mitsubishi Electric AP 3-room 8 kW kit 80B

Cost level

2.2 / 5
Relative equipment cost; installation varies

Cooling capacity

2.0 / 5
8 kW rated cooling

Parts warranty

3.6 / 5
5 years of main-product parts cover

Pros

  • 3 rooms share one outdoor unit, reducing equipment outside your home.
  • Phone control is built into every selected room unit.

Cons

  • Operating rooms must all heat or all cool at the same time.
Mitsubishi Electric AP room unit; representative AP range photograph, outdoor unit and other selected room units not picturedMitsubishi Electric

Mitsubishi Electric AP 4-room 10 kW kit 100A

Cost level

2.7 / 5
Relative equipment cost; installation varies

Cooling capacity

2.5 / 5
10 kW rated cooling

Parts warranty

3.6 / 5
5 years of main-product parts cover

Pros

  • 4 rooms share one outdoor unit, reducing equipment outside your home.
  • Phone control is built into every selected room unit.

Cons

  • Operating rooms must all heat or all cool at the same time.
Mitsubishi Electric AP room unit; representative AP range photograph, outdoor unit and other selected room units not picturedMitsubishi Electric

Mitsubishi Electric AP 4-room 8 kW kit 80A

Cost level

2.4 / 5
Relative equipment cost; installation varies

Cooling capacity

2.0 / 5
8 kW rated cooling

Parts warranty

3.6 / 5
5 years of main-product parts cover

Pros

  • 4 rooms share one outdoor unit, reducing equipment outside your home.
  • Phone control is built into every selected room unit.

Cons

  • Operating rooms must all heat or all cool at the same time.
MXZ-2F52VGD-A1 outdoor unit extracted from the exact MXZFAPVGKDKIT52A maker kit flyer; two indoor units not picturedMitsubishi Electric

Mitsubishi Electric AP two-room 5.2 kW kit

Cost level

1.3 / 5
Range cost guide; installation varies

Cooling capacity

1.3 / 5
5.2 kW rated cooling

Parts warranty

3.6 / 5
5 years of main-product parts cover

Pros

  • Two rooms share one outdoor unit, reducing equipment outside your home.
  • Phone control and remote controls are included for both rooms.
  • Set each room's temperature separately when both are heating or both are cooling.

Cons

  • Both rooms must use the same heating or cooling mode.
  • Outdoor quiet mode reduces the heating or cooling power available.
Panasonic MRZ wall-mounted room unit; same-range photograph, outdoor unit and other selected heads not picturedPanasonic

Panasonic MRZ 2-room 5.2 kW combination

Cost level

1.4 / 5
Relative equipment cost; installation varies

Cooling capacity

1.3 / 5
5.2 kW rated cooling

Parts warranty

3.6 / 5
5 years of main-product parts cover

Pros

  • 2 rooms share one outdoor box.
  • Set each room temperature and timer separately.

Cons

  • Phone control requires a separate adapter for each room unit.
Panasonic MRZ wall-mounted room unit; same-range photograph, outdoor unit and other selected heads not picturedPanasonic

Panasonic MRZ 3-room 5.4 kW combination

Cost level

1.7 / 5
Relative equipment cost; installation varies

Cooling capacity

1.4 / 5
5.4 kW rated cooling

Parts warranty

3.6 / 5
5 years of main-product parts cover

Pros

  • 3 rooms share one outdoor box.
  • Set each room temperature and timer separately.

Cons

  • Phone control requires a separate adapter for each room unit.
Panasonic MRZ wall-mounted room unit; same-range photograph, outdoor unit and other selected heads not picturedPanasonic

Panasonic MRZ 4-room 7.1 kW combination

Cost level

2.0 / 5
Relative equipment cost; installation varies

Cooling capacity

1.8 / 5
7.1 kW rated cooling

Parts warranty

3.6 / 5
5 years of main-product parts cover

Pros

  • 4 rooms share one outdoor box.
  • Set each room temperature and timer separately.

Cons

  • Phone control requires a separate adapter for each room unit.
Panasonic MRZ wall-mounted room unit; same-range photograph, outdoor unit and other selected heads not picturedPanasonic

Panasonic MRZ 4-room 8 kW combination

Cost level

2.3 / 5
Relative equipment cost; installation varies

Cooling capacity

2.0 / 5
8 kW rated cooling

Parts warranty

3.6 / 5
5 years of main-product parts cover

Pros

  • 4 rooms share one outdoor box.
  • Set each room temperature and timer separately.

Cons

  • Phone control requires a separate adapter for each room unit.
Panasonic MRZ wall-mounted room unit; same-range photograph, outdoor unit and other selected heads not picturedPanasonic

Panasonic MRZ 5-room 10 kW combination

Cost level

2.9 / 5
Relative equipment cost; installation varies

Cooling capacity

2.5 / 5
10 kW rated cooling

Parts warranty

3.6 / 5
5 years of main-product parts cover

Pros

  • 5 rooms share one outdoor box.
  • Set each room temperature and timer separately.

Cons

  • Phone control requires a separate adapter for each room unit.
Rinnai PX wall-mounted indoor unit, representative range photo; selected kit has three HINRPX25M heads and one MON3H07B1LA outdoor unit.Rinnai

Rinnai PX three-room kit, MON3H07B1LA + 3 HINRPX25M

Cost level

1.3 / 5
Relative equipment cost; installation varies

Cooling capacity

1.8 / 5
7.1 kW rated cooling

Parts warranty

5.0 / 5
7 years of main-product parts cover

Pros

  • Three rooms share one outdoor box.
  • Separate room controls let you condition only the rooms you are using.
  • PX wall units include phone control without a separate Wi-Fi accessory.

Cons

No model-specific drawback verified.

Products are listed alphabetically. Confirm the exact model, installation and warranty with your installer.

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How the bars work

Each bar puts a published figure on our fixed 0 to 5 visual scale. These are not official product ratings, customer review stars or an overall recommendation. Scores are rounded to one decimal and capped at 5. Search and selection do not change them.

Cost level

More bars means higher equipment cost. We research Australian equipment listings and published cost guides, then compare equivalent packages on a fixed scale within this category. A range cost guide uses a named, priced model from the same range; other sizes or configurations may cost differently. Specs identifies the reference. Dollar amounts are withheld because installation, rebates, inclusions and the trade's service change your quote. This is a relative guide, not an installed-price estimate.

Cooling capacity

20 kW of rated cooling is the 5-point reference. This is the system's simultaneous output, not the sum of indoor-unit labels or an efficiency score. The installer needs to size each room and check the exact supported combination.

Parts warranty

7 years of main-product parts cover is the 5-point reference. Free registration requirements are shown in Specs; paid extensions are excluded. Accessories, labour and installation may have separate terms. Battery usage limits can end cover sooner; heat-pump component and tank terms are listed separately.

Not scored means we could not verify a comparable figure. It does not mean poor quality. Specs shows the exact model, source and conditions.

Larger capacity is not automatically a better match. Choose equipment sized for your home and needs.

Creditex is listed by ESIA as part of the Emerald Group. Emerald products use the same comparison criteria as other brands.