Air Conditioner Servicing & Maintenance Sydney

Request a Quote

Save up to


on new air con installation*

Limited time only, offer ends . Not to be combined with any other offer.

*Offer to be presented at point of booking or sale.

Request a Upfront Quote

4.9/5 Star 1300+ Reviews

5/5 Star 1066+ Reviews

5/5 Star 40+ Reviews

5/5 Star 25+ Review

Sydney’s Air Conditioning
Maintenance Experts

Dealing with an air conditioner can be a hassle, but keeping it in good working order is essential. When it gets to those sweltering summer days, you don’t want to be stuck without a properly working air conditioner.

Here at Alliance Climate Control, we are proud to be Sydney’s air conditioning maintenance experts. Every year, we help thousands of Sydney residents keep their air conditioners and HVAC systems in good working order.

Whether you have a split system wall aircon or ducted system, servicing is recommended for your system annually to keep it in top operating condition. This includes an eco rejuvenation clean, which is an integral part of your regular maintenance completed by our team. It is a unique service to fully restore critical parts of your air conditioner back to new.

Working with Alliance Climate Control has many benefits, including:

  • Licensed and insured technicians
  • All staff in-house trained, not contractors 
  • Servicing air con systems Sydney-wide
  • Affordable rates with ZipPay available 

As a local business, we know there’s nothing more valuable than an efficient air conditioner during our hot Sydney summers. That’s why our maintenance and servicing process is as effective as possible, ensuring your system will have no problems keeping you cool this summer.

If you need air conditioner maintenance in Sydney, Alliance is the only name you need to remember. To book your air conditioning service, call us today.



Grime, dirt & mould polluting and affecting the air which you breathe.


Blocked Coil

Contaminates blocking the coil, preventing sufficient and healthy airflow

Blocked filter due to dirt


Blocked filter due to dirt, dust and harmful contaminants, causing blockages and unhealthy air.

Why Choose Us?


Air Conditioning service that is dependable, consistent, and responsive every time

5 Star Rated

Over 1,000 happy customers and positive reviews


Alliance cares about our customers and build long-term relations

Locally Owned

Family owned and operated business


Trustworthy, accountable & quality workmanship

Schedule an appointment with
one of our specialists today.

Why is Air Conditioning Servicing

Regular maintenance of your home air conditioning or HVAC system is integral to maintaining its efficiency. Irregular air conditioner servicing can lead to several problems, including decreased efficiency, higher energy bills, health issues, and unexpected breakdowns. 

When systems are regularly maintained, they are thoroughly sterilised and have the dirt and debris that builds up throughout the various parts and filters removed. If your split system or ducted air conditioner isn’t properly maintained, it can cause a range of inconvenient and costly issues. 

Here’s what you can expect if you don’t service your AC unit annually:


Poor Indoor Air Quality

Did you know that poorly maintained air conditioning systems are contaminated with grime, dirt, mould, grease and other pollutants on the coils and filters? This greatly affects the air quality which your family breathes.


Bacterial Growth

Even though not always visible to the human eye, mould and bacteria can build up in your AC system. Without regular servicing, your air conditioning system could cycle unhealthy air through your home.

Allergies & Asthma

Over time, poor maintenance can exacerbate allergies, asthma and other respiratory illnesses. If family members are sensitive to pollutants, this can have severe health effects.


Poor Performance

When the filter becomes blocked from dust, pollens and other airborne particles, the airflow through the fan coil is decreased, and subsequently, the system lacks cooling ability in your home.


High Electricity Bills

Contaminants reduce airflow through your air conditioner, making it harder for your AC unit to heat or cool and adding to the heat load on the fan motor. If not frequently maintained, your energy bills can spike from the system working inefficiently.


Breakdowns & Repairs

Air conditioner repairs can be costly, time-consuming, and overall inconvenient, especially in the peak of summer or winter. A regular inspection and professional check of the system can highlight any loss of performance or problem, preventing a breakdown before it happens

Schedule an appointment with
one of our specialists today.

Split System Air Conditioner
Servicing Sydney

Your home air conditioning system is something you use throughout the entire year. You rely on a reverse cycle split system to keep the temperature down in the hot Sydney summers and stay toasty during the frosty winter months.

The filters, coils, and fins are the most important components of your split wall aircon unit. These need regular maintenance to keep your air conditioner working efficiently and safely. 

Signs your split system air conditioner needs servicing include:

  • It’s been more than a year since your last professional service 
  • Air from your split system smells mouldy or stuffy 
  • A decline in cooling performance or airflow 
  • Increase in allergies or asthma symptoms indoors
  • Your electricity bills are increasing inexplicably 


Here at Alliance Climate Control, our air conditioner maintenance services will make sure you’re never without cool air at home when you need it. Call us to book your split system air conditioner service and maintenance tune-up. 


Schedule an appointment with
one of our specialists today.

Why Our Community
Trusts Alliance?

Licensed, insured techs for your protection​


Inhouse trained techs,
we don't use contractor

Upfront & honest
installation quotes

After care, Lifetime workmanship warranty*


We go the extra mile & focus
on the small details


100% Satisfaction, or we'll be back to make it right!

Schedule an appointment with
one of our specialists today.

Ducted Air Conditioning
Servicing Sydney

Specialising in ducted air conditioners, our trained HVAC technicians here at Alliance Climate Control have years of experience in ducted system maintenance. When we service domestic air conditioners, we look for any issues that may worsen with time to help you get on top of it now.

Some specific signs your ducted air conditioning system needs servicing include:

  • Some vents have less cooling or poor airflow 
  • There is a constant humming noise from the unit 
  • Water leaking into the ceiling or from the AC unit 
  • Dusty or bad-smelling air coming from ductwork 
  • It’s been over 12 months since your last service 

At Alliance Climate Control, we can also clean ductwork for ducted air conditioning systems if required. If we pick up any ductwork damage or leaks, we can arrange duct repair or replacement to keep your central AC system functioning efficiently. 

Call us today to book a ducted air conditioning service with the friendly team at Alliance Climate Control.


How Often Should I Get My Air Conditioner

Air conditioning systems need to be serviced roughly once a year, sometimes more, depending on the frequency of use and the type of system you have. If you live in a particularly hot part of Sydney or use your home air conditioner much more frequently, it may need to be serviced more often. 

If you want to maximise the lifespan of your domestic air conditioner, having your system serviced every six months will significantly add to the life of your system.

If you haven’t had your air conditioner serviced this year or can’t remember the last time it was done, it’s been too long. To ensure your air conditioner lasts through the hot Sydney summers, it’s important to have your residential system serviced regularly.

As one of Sydney’s leading air conditioning maintenance professionals, Alliance Climate Control can provide you with a range of air conditioning services, including regularly scheduled air conditioning maintenance, so you won’t have to worry about forgetting an appointment again.

Air Conditioner Health Check-Up & Report

At Alliance Climate Control, we understand the importance of regular servicing and maintenance, so when we perform your regularly scheduled service, we go above and beyond to check every aspect of your air conditioning unit to ensure it runs as efficiently as possible.

Working with an air conditioning specialist is the only way to ensure that your air-con maintenance is comprehensive and will pick up any problems as early as possible.

At Alliance Climate Control, we understand the importance of regular servicing and maintenance, so when we perform your regularly scheduled service, we go above and beyond to check every aspect of your air conditioning unit to ensure it runs as efficiently as possible.

Working with an air conditioning specialist is the only way to ensure that your air-con maintenance is comprehensive and will pick up any problems as early as possible.

Many AC service technicians overlook critical parts during maintenance services. This can leave hidden surprises undetected, only to realise there’s a problem when you turn your air conditioner on for the next hot summer’s day. 

To book an air conditioner service you can trust, call us today at Alliance Climate Control.

Common defects we find are:

What Are the Benefits of Air Conditioner

Proper air conditioner servicing can save you thousands of dollars in repairs and replacements and is the best way to ensure you get the most out of your air conditioning system. 

Some of the key benefits to having your air conditioner regularly serviced include:

Lower Energy Bill – Regular maintenance and servicing can get your system working efficiently again – saving up to 30% on your power bill! That’s real money in your pocket, and you don’t even have to change the setting on your thermostat.

Fewer Expensive Repairs – Regular servicing from Alliance Climate Control can help you avoid expensive repairs altogether. The scheduled maintenance we perform helps keep your system in the best condition possible, and while we do it, we always check for any slight issues that could become larger in the future.

Increase the Life of Your System – To get the most out of your system and have it last as long as possible, be sure to maintain your system regularly.

Here at Alliance Climate Control, we offer preventative maintenance as part of our air conditioner servicing package to reduce the number of repairs you will need as much as possible.

Having a team of local technicians you can rely on is the most critical thing for continued scheduled maintenance. That’s why the team at Alliance Climate Control offers 100% satisfaction on all our work.

If your air con needs service, get in touch with our local team to book an appointment.

Common AC Maintenance Issues
We Find

Blocked fan coil, fans or filters

Refrigerant gas levels low

Compressor unit inefficiencies

Incorrect thermostat settings

Drain blockages & leaks

Vent or swing motor problems

Schedule an appointment with
one of our specialists today.

What Does an Air Conditioning
Service Include?

Examine air filtration

Inspect & clean air filter

Examine and clean the air filtration so that your air conditioner is operating at optimum efficiency.

Wash indoor covers & panels

Clean indoor covers & panels

Remove covers, panels and filters. Thoroughly wash the cover with jet machine and carefully hand wash the panels and filter.

Inspect indoor coil

Inspect indoor coil

Inspect indoor coil condition, straighten coil fins to improve the heat exchange process. Check for mould, dirt and grime that can cause heat exchange failure and prevent indoor fan coil from cooling. Clean the coil and brush off any light dust and dirt.

Inspect the Indoor and outdoor drainage

Inspect indoor and outdoor drainage

Inspect the indoor and outdoor drainage. Visually inspect drain to ensure it’s clean, free from debris, and has good flow to prevent water leaks. Test the drain with water.

Test electrical connections and circuit

Test electrical connections and circuit

Ensure all connections are tightened and safe, and the isolation switch is correctly operating. Ensure that the main power cable is concealed and insulated; if damaged or not insulated, make recommendations.

Clean blower wheels (if necessary)

Check and clean blower wheels

Inspect the cleanliness of blower wheels for dirt and grime build-up, and clean if necessary.

Calibration of your thermostat

Calibration of your thermostat

Calibrate thermostat, monitor thermostat operation, and test all modes (fan on, cool, and heat) to ensure it is operating correctly. 

Measure air flow & monitor defrost operation

Measure airflow & monitor defrost operation

Test for correct airflow and monitor defrost operation. Measure temperature difference across coil. Insert temperature airflow meter in return and evaluate performance.

Inspect the ducting

Inspect the ducting

Visually inspect ductwork for damage. Check for major air leaks. Ensure connections at the indoor fan coil, duct connections, and fittings are secure. Carry out necessary repairs.

Inspect fan coil & condenser mounting level

Inspect fan coil & condenser mounting level

Inspect mounting level and ensure condenser and fan are level, as unbalanced coils/compressor will affect efficient operations and shorten life.

Condensate pump, if applicable.

Test condensate pump (if applicable)

Test condensate pump operations (if applicable). Check pump is clean and free from debris. If blocked, recommend necessary repairs.

Test zone motors (if applicable)

Test zone motors (if applicable)

Test operation of zone motor dampers (if applicable) to ensure they are closing and opening correctly. If not operating correctly, provide recommendations.

Measure volts/amps

Check electricity usage

Test voltage and amperage draw to confirm that your air conditioning unit is not overdrawing current and wasting power.

Test refrigerant pressures

Test refrigerant pressures

Test and record refrigerant pressures on the condenser and evaporator coil, ensuring no drop in pressure that could indicate leaks. 

Leak test systems

Test for refrigerant leaks

Carry out a refrigerant leak test using a detector, inspecting the coils and connections.

Test starting capabilities

Test starting capabilities

Test starting capabilities and compressor amps. Check the data tag on the equipment to ensure that they are within factory specifications. If reading is not in spec, make recommendations.

Test reversing valve functions

Test reversing valve functions

Test reversing valve functions to make sure reversing valve and coil valve functions are operating correctly.

Test safety controls (Isolator & Breaker)

Test safety controls (isolator & breaker)

Test safety controls. Make sure that the breaker and isolator are the correct sizes. Ensure the isolation switch is correctly operating, and the main power cable is concealed and insulated. Check the wiring and that there is no water inside the isolator. 

Inspect outdoor condenser & coil

Inspect outdoor condenser & coil

Inspect outdoor condenser and coil, straighten outdoor coil fins to improve the heat exchange process, and check inside condensing unit for any infestations of vermin or insects. Clean outdoor condenser coil.

Check condenser air circulation

Check condenser air circulation

Check condenser air circulation. Ensure condenser has no obstruction and is clear to allow good airflow.

Check condenser exterior

Check condenser exterior

Check condenser exterior is in good condition. Coat condenser with fresh paint (if required).

System report

Supply system report upon tune-up completion and report on any further works required.

We Service & Repair All Major
Air Conditioning Brands + more...

Mitsubishi Heavy

Air Conditioner Corrosion

Air conditioner corrosion can be expensive, especially if not caught in time. Corrosion can cause air conditioner parts to wear out quickly, including the fan and compressor.

Corrosion can be caused by several things, including water leaking into the air conditioner from the inside or outside, moisture getting on the coils or condenser, and even chemical vapours from paint and cleaning agents. Here at Alliance Climate Control, we offer a two-step corrosion protection plan that will help keep your air conditioner in good working order for up to 5 years.

Some of the benefits of the Alliance Climate Control coil corrosion protection program include:

  • A natural water-based coating to protect your system
  • Abrasion resistance, prevent aggressive rust corrosion on your air-con coils
  • Green, natural products which are safe for use and good for the environment
  • Over 40,000 hours of corrosion resistance
  • A much more affordable rate compared to corrosion specialists

Keeping your coils safe from rust and corrosion is important to your system’s overall health. 

To book a corrosion protection service for your air conditioner, call the friendly team here at Alliance Climate Control.

Schedule an appointment with
one of our specialists today.

Why Choose Alliance for Air Conditioning
Servicing in Sydney?

Air conditioning should always be serviced by a professionally qualified HVAC technician. If serviced improperly, air conditioning can lead to air pollutants directly into your home, leading to poor indoor air pollution and impacting your health.

For that reason, it’s essential to only work with the best air conditioning service in Sydney. That’s why Alliance Climate Control is the name you can trust. We’re known for our thorough servicing process, including a comprehensive health report for residential air con services. When you rely on the team at Alliance for your air conditioner servicing, we cover everything from A to Z. 

Our in-house trained technicians know what it takes to keep your air conditioning running smoothly, and we’ll go above and beyond to ensure it’s always working at its peak.

At Alliance Climate Control, we understand how important it is to have a properly functioning air conditioner, which is why we offer regularly scheduled maintenance services to keep your system running like new. 

To book an air conditioner service, call the team at Alliance today.


What Our Community
Is Saying About Alliance

based on 1300+ reviews

B.J, Mahran, Oscar, Chris and Daniel were great. We had them install AC in 3 rooms. Very friendly and professional. Really appreciate also changing the colour of the pipe for us in the lounge to match our white walls. Highly recommend.
Gabriel was right on time,very polite and professional,servicing my Brivis Gas Central Heater System.Highly recommended.
We has a great experience with Alliance Climate Control. From the initial discussions with Zac, a detailed quote from James factoring in our unique situation, to a quick and efficient install by BJ, Mahran, Oscar, JJ and Peter, everyone was... flexible, professional and delivered a high standard of more
The team at Alliance were excellent, easy process from consultation through to installation. Very friendly
Professional, know what they're doing, careful in what they do and always clean up after themselves
Highly recommend Alliance to anyone wanting Air con at home.They are very organised, communicated well throughout the whole process, were hard working, did what they promised and best of all did a high quality job that was very neat and... more
The team from Alliance Climate Control probably answered all my questions and kept me fully informed every step of the way. The team were incredibly polite, turned up when they said they would and did a terrific job. And then they took all the... rubbish away. Yahoo. Excellent!read more
Friendly, patient and helpful. Excellent!
Matt Anderson & his dependable colleagues, Felecio and Eunos were professional in their interactions with us during their time replacing / installing the new bedroom aircon unit. They were punctual, reliable, setting their high standards in... workmanship, and showing that they cared about every aspect of their job. We would highly recommend this team & company for any future similar more
Chris and the team took on a niche home networking job for me to cable up 12 runs across 5 rooms. Fully accredited cable installation, fantastic cable management and wouldn't rest until all cables were terminated at the patch panel and fully passed.... I couldn't be happier. I've used Alliance before for all the air-con units in the property and they came through again for a slightly different job than the norm. From the start I was consulted with on different options, fantastic communication throughout and an absolutely stellar end result. Massive thank you to Chris who was present throughout and handled the job with ease, though I know it wasn't simple. Thanks again team!read more
Difficult job, but fantastic result.
This is the second time we’ve used this business. Excellent service from start to finish. Very happy to recommend them
Adian and his offsider (apologies forgot his name) were the most professional tradesmen to ever put foot on my premises. Nothing was a problem for them and they made us feel most at ease. Because of these two I would always recommend Alliance air... conditioning to anyone. They were a credit to their organisation. 5 more
Alliance technician Hamid came to our home & thoroughly diagnosed the issues with our 8 yr old aircon system which required parts and cleaning. Hamid returned a few weeks later to complete the work to our total satisfaction. It was not cheap costing... over $4000 but the mould & dirt that was extracted from our 5 units was incredible. Extremely satisfied & will call Alliance/Hamid & his partner back every 12 mnths from now on.Heather & PeterKingsfordread more
The ACC team did a fantastic job installing our multisplit in our apartment.Aron, Andres R, Ivan T and Tommy produced high quality workmanship and consulted us where we wanted all parts located.My favourite aspects were that they made it look... good (minimising visual impact) and cleaned up after installing.I'm so happy we heard about them from neighbours. I would definitely go with them again if we needed aircon in the more
Great experience with Alliance Climate Control. They were very professional from the first point of contact all the way through to the installation. I would highly recommend them to anyone.
Andres and Ivan were professional, respectful and ensured that area was protected during work. And they cleaned up well at end.
Polite, efficient service.

Offer Save


When you book online,

on service work*

Limited time only, offer ends .
Not to be combined with any other offer

*Offer to be presented at point of booking or sale.

Request a Quote