Room size calculation

Room and air conditioner size guide

Once you have the size of the area that you are wanting to install the air conditioner in, follow the guide below to determine your approximate kw range.

Multiply the length of the room by the width

7m x 4m = 28sq meters

There are a multitude of online calculators that seem to be very sophisticated yet always seem to have a disclaimer attached to them. Our sizing guide is prety accurate although there are some factors that can change certain scenarios. That’s why we also offer our online quoting system to get you the right size split system.

air conditioning-room-size-calculator

Air Conditioning Sizing Calculator (kW)

Room Length (m):

Room Width (m):

Ceiling Height (m):

Insulation Quality:

Window Orientation:

Climate Zone Factor:

Required Cooling Capacity: 0.00 kW Recommended AC Size: 0.0 kW

Split System Installation

2.5KW RANGE

room sizing 01

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For room dimensions and types

2.5KW RANGE

SUITABLE FOR ROOMS APPROX 10 – 25 SQ METERS

Bedrooms

Studys

Small lounges

Small kitchens

Small office

Install pricing

Suitable 2.5kw systems

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3.5KW RANGE

room sizing 3.5kw

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3.5KW RANGE

SUITABLE FOR ROOMS APPROX 25 – 35 SQ METERS

Bedrooms

Bedrooms with ensuites

Studys

Small lounges

Mid-sized kitchens

Small rooms with high ceilings

Offices

Install pricing

Suitable 3.5kw systems

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5-6KW RANGE

room sizing 5-6kw range

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For room dimensions and types

5-6KW RANGE

SUITABLE FOR ROOMS APPROX 35 – 60 SQ METERS

Large bedrooms

Bedrooms with ensuites

Studys

Mid-size lounges

Large kitchens

Mid-sized rooms with high ceilings

Offices

Install pricing

Suitable 5-6kw systems

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7-8KW RANGE

room sizing 04

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For room dimensions and types

7-8KW RANGE

SUITABLE FOR ROOMS APPROX 60 – 80 SQ METERS

Large lounges

Large open plan areas

Small shops

Offices

Install pricing

Suitable 7-8kw systems

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9-9.5KW RANGE

room sizing 04

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For room dimensions and types

9-9.5KW RANGE

SUITABLE FOR ROOMS APPROX 80 – 90 SQ METERS

Very Large lounges

Large open plan areas

Large shops

Large Offices

Install pricing

Suitable 9-9.5kw systems

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