Residential

Residential Air Conditioning


Hills Air Conditioning provides high quality residential air conditioning systems in Greater Sydney. We offer a wide range of air conditioning units, including wall mounts and multi splits, ducted air conditioners along with installation services. Hills Air is committed to supplying and installing quality air conditioning systems, at a competitive price. With our best in class residential air conditioning installation and service in Sydney, you can relax and be rest assured of quality and excellence.

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Greater Sydney

Hills Air Conditioning's head office is in North Ryde. We serve the Greater Sydney area and surrounds.

Areas of Service

We offer system design, supply, and installation for all residential air conditioning applications. This includes new systems, replacements, upgrades, or homes under construction / renovation.

Quality Guaranteed

Our team is comprised of highly experienced individuals who are qualified and trained in all areas of air conditioning and refrigeration. Hills Air offer a 5 year guarantee on our workmanship.

Quality Residential Air Conditioning Installation

At Hills Air Conditioning, we offer a wide variety of AC systems including installation services. Not sure what heating or cooling system your home requires? Our experienced team will deliver the necessary technical expertise to design a safe and effective solution for your home’s needs. We provide different type of air conditioner service and preventative maintenance for all unit makes and models, regardless of size.


Time to upgrade your air conditioning system? Modern air conditioning units have increased energy efficiency and produce cleaner, fresher air for a healthy lifestyle. They dehumidify the air and assist with mould prevention. Enjoy total comfort and conditions for success all year round.


Contact us for a free inspection to discuss which heating and cooling options are most suitable for your home.


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Request a Quote

After a FREE air conditioning installation inspection and quote? Complete the form below.

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We Design, Supply & Install All Types of Air Conditioning Systems

Wall Mounts &
Multi Split Systems

Looking for a small, compact, and cost-effective solution? Split system air conditioning is ideal for open plan areas and smaller spaces, such as individual rooms. Wall mounted systems contain two units – the evaporator mounted on the wall inside, and a condenser / compressor outside ensuring quiet operation.


Multi split systems are used to heat or cool multiple rooms using just single outdoor unit which connects to the indoor units. Hills Air can use varying indoor units for your home, including wall mounts, small ducted systems, floor mounted, or bulkhead units. The indoor units can be controlled individually, allowing for different room temperatures and controls.

We Design, Supply & Install
All Types of Air Conditioning Systems

Ducted air conditioning systems offer climate-controlled comfort throughout the home. New Wi-Fi control technologies allow you to adjust the temperature and airflow in any room from virtually anywhere using your phone or device!


Ducted systems are suitable for single or multi story dwellings. Central air is sent through ducts from one location of the house to the remainder of the house, cooling each room to the required temperature. They consist of an indoor fan unit (evaporator) and an outdoor unit (condenser). Ducted systems are easily concealed, to avoid disrupting the appearance or design of your home. Typically, the indoor unit is hidden in the ceiling roof cavity or under the house.

Residential Preventative Maintenance
& Breakdown Service

Hills Air Conditioning provides preventative maintenance and breakdown service for all makes and models of air conditioning systems. A system that is regularly maintained improves air quality, minimizes power consumption – reduces electricity bills, prolongs unit life, and reduces the risk of unexpected costly air conditioning repairs servicing.


Our maintenance service in Sydney ensures your system has maximum operational efficiency. We recommend a service call twice a year, in autumn and spring – to prepare for the cool weather and warmer months. This involves cleaning, and a thorough inspection of filters, condensate drains, electrical connections, zoning, ducting, and refrigeration systems.

Interested in our services? We’re here to help!

We want to know your needs exactly so that we can provide the perfect solution. Let us know what you want and we’ll do our best to help. 

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