Split Air Conditioning Wollongong
WHAT SETS US APART
Why Locals Choose airdale
Over 20 Years of Local Experience
For over 20 years we've installed, serviced and repaired air conditioning across Wollongong, so we know local conditions inside out.
Licensed, ARC Authorised and Fully Insured
We hold NSW Trades Licence 371724C, are ARC authorised to handle refrigerants safely, and carry full insurance on every job.
Locally Owned, Not a Franchise
Founder Dale Sullivan owns and runs Airdale, so you deal with a local team that proudly stands behind every job.
4.9-Star Google Rating
Our 4.9-star average from over 60 Google reviews reflects punctual, tidy, honest work and clear communication from start to finish.
Written Guarantees
Every installation carries our 5-year workmanship guarantee, and every repair is backed by a 12-month guarantee for peace of mind.
Free, Fixed-Price Quotes
We assess your home on site and give you a free, fixed-price written quote, with no hidden extras or surprises.
Commercial and industrial air conditioning
Looking for reliable solar in Ballina? We help local homeowners and businesses across Ballina, East Ballina, Lennox Head, Alstonville and the Northern Rivers switch to smarter energy with high-quality solar systems built for local conditions. With years of hands-on experience, we understand coastal weather, salt air exposure and how to maximise solar output in Ballina’s sunny climate.
From tailored system design to expert installation and aftercare, we make going solar straightforward, affordable and stress-free. If you want trusted local advice and long-term savings, we’re here to help.
Split System Supply, Installation and Repairs Across Wollongong and the Illawarra
Airdale Air Conditioning supplies, installs, services and repairs split system air conditioning in Wollongong and across the Illawarra. We're a locally owned, licensed (NSW 371724C) and ARC-authorised team with over 20 years' experience. Split system installation typically costs $2,000 to $4,000+ per unit, most installs are done in a day, and every install carries a 5-year workmanship guarantee.
What We Help With
We help property owners with
We're a local split system installer covering every stage of your air conditioner's life, from choosing the right unit to keeping it running for years.
Split system supply and installation: we help you choose, size and install a wall-mounted reverse cycle split system for any room.
Multi-head split systems: we run two or more indoor units from a single outdoor unit, so several rooms are covered with less on your outside wall.
Split system replacement: we upgrade old, noisy or inefficient air conditioners, including removal and safe refrigerant handling for the old unit.
Split system servicing and cleaning: seasonal servicing keeps your system efficient, hygienic and reliable.
Split system repairs: we fix units that aren't cooling or heating, leaks, noises, error codes and refrigerant faults, backed by 12-month guarantee.
Commercial split systems: we install split systems for offices, shops and small businesses.
NSW Government Rebates on Energy-Efficient Air Conditioning in Wollongong
Upgrading your air conditioning could cost less than you think. Through the NSW Government's Household Energy Saving Upgrades program, part of the Energy Savings Scheme, Illawarra homeowners, renters (with landlord consent) and small businesses can get a discount on eligible high-efficiency reverse cycle split and ducted systems. The discount comes off your quote upfront, so there's nothing to claim afterwards. How much you save depends on the system's size and energy rating, and whether you're replacing an old unit or installing a new one. The more efficient the system, the bigger the saving.
The Airdale team will check your eligibility during your free quote, help you choose a qualifying Daikin, Mitsubishi, Fujitsu or Panasonic model, and handle the paperwork for you. Call 1300 998 901 to find out what you could save.
Licensed, Insured and Guaranteed
Airdale Air Conditioning holds NSW Trades Licence #371724C, is ARC authorised and fully insured, and backs every installation with a 5-year workmanship guarantee.
Over 20 years of local experience
For over 20 years we've installed, serviced and repaired air conditioning across Wollongong, so we know local conditions inside out.
Licensed and fully insured
We hold NSW Trades Licence #371724C
ARC authorised
We are ARC authorised license #AU48051 to handle refrigerants safely, and carry full insurance on every job.
Locally owned, not a franchise
Founder Dale Sullivan owns and runs Airdale, so you deal with a local team that proudly stands behind every job.
4.9-star Google rating
Our 4.9-star average from over 100 Google reviews reflects punctual, tidy, honest work and clear communication from start to finish.
Written guarantees on every job
Every installation carries our 5-year workmanship guarantee, and every repair is backed by a 12-month guarantee for peace of mind.
Free, fixed-price quotes
We assess your home on site and give you a free, fixed-price written quote, with no hidden extras or surprises.
Air Conditioning Size Calculator
Not sure what size air conditioner you need? Use our calculator below to work out the right capacity for your room.
Simply enter your room's floor area and room type, and we'll show you the recommended air conditioner size for both cooling and heating.
Cool & Shaded Home
South-facing, fully shaded, well insulated brick.
Sunny North-Facing Home
North-facing, well insulated brick.
Warm Climate Home
East-facing or sub-tropical, well insulated brick.
Hot & Exposed Home
West-facing, little insulation, weatherboard/fibro.
Cool & Shaded Home
Well-insulated roof, walls and sub-floor. Full brick or brick veneer construction. Average-sized windows with awnings for shade. Fully shaded, south-facing aspect. Suited to temperate climates.
Sunny North-Facing Home
Insulated roof space. Full brick or brick veneer construction. Average-sized windows with internal shades. North-facing aspect. Suited to temperate climates.
Warm Climate Home
Insulated roof space. Full brick or brick veneer construction. Average-sized windows with internal shades. East-facing aspect, or located in a sub-tropical climate.
Hot & Exposed Home
Little to no insulation. Weatherboard, fibro, or brick veneer construction. Large windows with no sun shading. West-facing aspect.
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Recommended Unit Size
This is a guide only. We recommend a professional assessment for your specific needs.
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- Conventional single-speed compressor models – reliable and affordable entry-level systems.
- Inverter technology systems – variable-speed compressors offering whisper-quiet operation, improved energy efficiency, and up to 30% savings on running costs.
Efficient Split System Air Conditioning in Wollongong
A reverse cycle split system is one of the most cost-effective ways to heat and cool a Wollongong home. It keeps you cool and dry through humid coastal summers and warm on cold winter nights, all from one wall-mounted unit.
Living here, we know how much the weather can swing. Summers on the coast are hot and sticky, and the humidity makes a bedroom feel stuffy long after sunset. In winter, homes sitting under the Illawarra Escarpment cool off quickly once the sun drops behind the hills.
At Airdale Air Conditioning, we supply and install split system air conditioning for homeowners across Wollongong, Shellharbour, Kiama, Dapto, Thirroul and the wider Illawarra. Split systems are ideal for bedrooms, living areas, granny flats, apartments and home offices. A correctly sized system can comfortably heat or cool a space of up to 80m².
What Does a Split System Consist Of?
A split system is a wall-mounted air conditioner with two parts: an indoor unit that blows heated or cooled air into the room, and an outdoor unit that houses the compressor. The two are joined by insulated copper piping and electrical cabling.
Each system includes:
- Indoor unit: a slim wall-mounted head, roughly 1m wide and 300mm high, that runs quietly.
- Outdoor unit: the compressor, mounted on a wall bracket or ground pad outside.
- Remote control: controls for temperature, fan speed and cool, heat, dry and fan modes. Many models also offer Wi-Fi control from your phone.
- Air filters: these trap dust and airborne particles. Many models include advanced filters designed to reduce allergens and bacteria.
- Modern refrigerant: newer refrigerants with lower environmental impact than older units.
Inverter vs Fixed-Speed Split Systems
- Fixed-speed models switch fully on and off to hold the temperature. They're a reliable, budget-friendly entry option.
- Inverter models vary their compressor speed to hold a steady temperature. They're quieter and can cut running costs by up to 30%.
For most Wollongong homes, we recommend an inverter split system because the running cost savings add up quickly over a humid summer.
What Size Split System Do You Need?
The right split system size depends mainly on your room's floor area. Most bedrooms suit 2.0 to 2.5kW, living rooms suit 5.0 to 6.0kW, and larger open-plan areas need 7.0kW or more.
| Room size | Typical room | Common system size |
|---|---|---|
| Up to 15m² | Bedroom, study | 2.0 to 2.5kW |
| 15 to 25m² | Larger bedroom, small lounge | 3.5kW |
| 25 to 40m² | Living room, open kitchen | 5.0 to 6.0kW |
| 40 to 60m² | Open-plan living | 7.0 to 8.0kW |
| 60 to 80m² | Large open-plan areas | 8.0kW and above |
Ceiling height, insulation, window size, sun exposure and how close you are to the beach all affect the final size. A west-facing lounge in Dapto needs more capacity than a shaded bedroom in Thirroul, for example. An undersized system runs flat out without keeping up, and an oversized one cycles on and off and won't dry out a humid room properly. That's why we always measure on site before quoting. For a rough estimate, try our air conditioning calculator.
Benefits of Split System Air Conditioners in Wollongong
Split systems give Wollongong homeowners efficient, room-by-room heating and cooling at a much lower upfront cost than ducted air conditioning.
- Room-by-room control: you only heat or cool the rooms you're using.
- Lower running costs: inverter split systems are among the most energy-efficient ways to condition a room.
- Handles coastal humidity: dry mode removes moisture on muggy nights.
- Heating and cooling in one: a reverse cycle system replaces a separate winter heater.
- Quiet operation: well suited to bedrooms, nurseries and home offices.
- Affordable to install: far cheaper upfront than a ducted system.
- Flexible: works well in apartments, units, older homes without roof space, granny flats and rentals.
Split System vs Ducted Air Conditioning
A split system is best for heating or cooling one to three rooms at the lowest cost. Ducted air conditioning suits whole-of-home comfort in larger houses.
- Choose a split system for individual rooms, units and apartments, homes with limited roof space, or the lowest upfront cost.
- Choose a multi-head split system to cover several rooms from one outdoor unit.
- Choose ducted air conditioning for discreet ceiling vents and zoned control across the whole house.
- We install both, so we'll recommend what suits your home and budget.
Split system air conditioning in Wollongong typically costs $2,000 to $4,000+ per unit supplied and installed. Multi-head systems start from about $4,500.
Supply and installation
$2,000 to $4,000 per unit.
Multi-head split systems
from $4,500 upwards, depending on how many rooms you want to cool.
Servicing
$120 to $180+ per unit.
Repairs
typically $150 to $400+, depending on parts required.
Your price can be higher if you need a longer pipe run, a second-storey or roof-mounted outdoor unit, electrical upgrades, or removal of an old system. We confirm everything in a fixed-price written quote after our free on-site visit.
How We Install Your Split System
Our split system installation process takes you from first call to a working system in five simple steps, and most standard installs are completed in a single day.
- Call or enquire online. Tell us which rooms you'd like to heat or cool.
- Free on-site assessment. We measure the room, check wall construction and power access, and talk through where to put both units.
- Fixed-price written quote. Your quote covers the unit, installation and any extras.
- Installation day. We protect your floors, run the pipework and drainage neatly, and clean up before we leave.
- Handover. We test the system, walk you through every mode, and show you how to clean the filters.
If you're replacing an old air conditioner, we can remove it and handle the refrigerant safely under our ARC licence.
Call us today on 1300 998 901 for expert advice and a free quote. Let us help you stay comfortable year-round with a reliable, energy-efficient split system tailored to Wollongong’s climate.
Split System Repairs in Wollongong
If your split system isn't cooling, is leaking water or is showing an error code, we can diagnose and repair it. Every repair is backed by our 12-month guarantee.
Common split system faults we fix:
- Running but not cooling or heating properly
- Water dripping from the indoor unit
- Rattling, buzzing or other unusual noises
- Musty smells at start-up
- Flashing lights or error codes
- Remote or control faults
- Refrigerant leaks and low gas
If an older system isn't worth repairing, we'll tell you straight and explain your replacement options. See our air conditioning repairs page for more.
Maintenance Tips for Split System Air Conditioning
Regular maintenance keeps your split system efficient, extends its life and keeps your indoor air fresh. Most homes need a professional service at least once a year. We recommend servicing before summer and winter. Here are our top maintenance tips:
- Clean the filters every few weeks during heavy use.
- Keep the outdoor unit clear of plants, leaves and debris.
- Rinse off salt build-up. Homes near the beach in North Wollongong, Thirroul or Kiama should gently hose down the outdoor coil to slow corrosion.
- Act on early warning signs such as weaker airflow, drips or odd noises.
- Book a seasonal service so your system is ready for peak demand.
Why Choose Airdale for Split Systems?
Homeowners choose Airdale for split air conditioning in Wollongong because we're a licensed, locally owned installer with over 20 years' experience, written guarantees and a 4.9-star Google rating.
- Honest sizing advice so you don't pay for more system than you need
- Energy-efficient inverter systems that keep running costs down
- Neat, tidy installs by licensed, ARC-authorised technicians, usually done in a day
- Written guarantees: 5 years on installation workmanship, 12 months on repairs
- One local team for installation, servicing and repairs, for the life of your system
At Airdale Air Conditioning, we only install systems that give you the best balance of performance, energy savings, and comfort.
Local Knowledge and Trust
We install and service split systems right across the Illawarra, from Thirroul and Woonona in the northern suburbs, through North Wollongong and the city, down past Lake Illawarra to Dapto, Shellharbour and Kiama. Because we live and work here, we understand local conditions. Salt air corrodes outdoor units near the beach, humid summers call for good dehumidifying performance, and homes in the cooler pockets under the escarpment and Mount Keira rely on reverse cycle heating through winter.
We've installed split systems in everything from North Wollongong apartments to family homes in Woonona and older brick homes across the region
Get a Free Split System Quote in Wollongong
Whether you're cooling a bedroom in a North Wollongong apartment, heating a family home in Thirroul or fitting out a small business in Shellharbour, we'll design, install and look after the right split system for your space.
Call Airdale Air Conditioning on 1300 998 901 or send us an enquiry. Tell us your suburb and the rooms you'd like to heat or cool, and we'll book a free on-site assessment and fixed-price quote.
Real Local Wollongong Customer Reviews
Airdale Air Conditioning in Wollongong were excellent. Dale’s expertise guided us to better A/C solution than we expected. Very competitively quoted, communication was regular, they turned up on time and completed the job, with clean up, quicker than expected without cutting corners…. Couldn’t recommend Airdale highly enough.
Airdale Air Conditioning in Wollongong have just finished installing a Mitsubishi wall mounted air conditioning unit in our home, the job was completed in a professional manner, the area was cleaned well after completion and the installers were very knowledgeable and polite. Highly recommend Airdale, very happy with the end result
These guys from Airdale Air Conditioning went above and beyond! They did a fully ducted air con unit in our house… it works amazing and the communication was spot on. No issue with it at all and would recommend these guys to everyone who needs any air conditioning work don’t around the Wollongong area.
Airdale Air Conditioning did a fantastic job for us. They were polite, friendly, professional, respectful, on time TIDY and efficient!! When they left there was nothing at all to suggest they’d been there except for the air conditioner functioning and attached to the wall. Very impressive. They also came up with a solution that meant our air con could be installed out of sight when other larger companies had not been able/willing to. Rates were also very reasonable. Highly recommend this local Wollongong company, would use again without question.
Split Air Conditioning FAQs for Wollongong Homeowners
How much does it cost to install a split system in Wollongong?
Installing a split system in Wollongong typically costs $2,000 to $4,000 per unit, including supply and standard installation. Multi-head systems covering several rooms start from around $4,500. Your final price depends on the system size in kW, the brand, the pipe run length, the outdoor unit position and whether any electrical work is needed. We provide a free, fixed-price written quote after assessing your home, so there are no surprises.
What size split system do I need?
Most bedrooms up to 15m² suit a 2.0 to 2.5kW split system, and living rooms of 25 to 40m² usually need 5.0 to 6.0kW. Open-plan areas of 40 to 60m² typically need 7.0 to 8.0kW. Insulation, ceiling height, window size and sun exposure all change the answer, particularly in west-facing Wollongong homes. We measure every room on site so your system is neither undersized nor oversized.
How long does a split system installation take?
Most standard back-to-back split system installations take less than a day. That's where the outdoor unit sits directly behind the indoor unit on the same wall. Jobs with longer pipe runs, a second-storey or roof-mounted outdoor unit, multi-head systems or electrical upgrades can take longer. We'll give you a clear timeframe with your quote, and we clean up fully before we leave.
Is a split system cheaper to run than ducted air conditioning?
Yes, in most cases. A split system only heats or cools the room you're using, so it generally costs less to run than a ducted system conditioning the whole house. Inverter split systems are especially efficient, using up to 30% less energy than fixed-speed models. Ducted systems suit whole-of-home comfort, but for one to three rooms, a split system is usually the more economical choice.
How often should a split system be serviced?
We recommend having your split system professionally serviced at least once a year, ideally before summer and again before winter if you use it heavily. Homes close to the coast in suburbs like North Wollongong, Thirroul and Kiama benefit from more regular servicing because salt air can corrode the outdoor unit. Between services, clean the filters every few weeks during heavy use to keep airflow and efficiency up.
Are split systems energy efficient?
Yes. Inverter split systems are among the most energy-efficient ways to heat and cool individual rooms in your home. Their variable-speed compressors adjust output gradually instead of switching fully on and off, which can reduce running costs by up to 30% compared with older fixed-speed models. Heating or cooling only the rooms you're actually using keeps your power bills down even further.
Can a split system heat as well as cool?
Yes. Most split systems we install are reverse cycle, which means one unit provides cooling in summer and heating in winter. Reverse cycle air conditioning is one of the most efficient forms of electric heating available. It's a popular choice for Wollongong homes near the Illawarra Escarpment, where winter evenings get cool, and it removes the need for a separate portable or gas heater.
Do you offer a guarantee on split system installations?
Yes. Every split system installation from Airdale Air Conditioning comes with our 5-year written workmanship guarantee, and every repair is backed by a 12-month guarantee. This is on top of the manufacturer's warranty on the unit itself. As a licensed (NSW 371724C), ARC-authorised and fully insured business, we stand behind every job we do across Wollongong and the Illawarra.
