Gas Heating System Servicing & Maintenance Sydney

Book Online

By providing your mobile number, you agree to receive SMS updates about your booking, job progress, missed-call follow-ups, and other service communication from Alliance. You can reply STOP to unsubscribe at any time.

Save up to

$250

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 2500+ Reviews

5/5 Star 1066+ Reviews

5/5 Star 40+ Reviews

5/5 Star 60+ Review

Sydney’s Gas Heating Servicing &
Maintenance Experts

Gas heating maintenance is critical to keep your gas ducted heating running efficiently. Having your gas heating serviced is the best investment in the function and lifespan of your home’s heating. 

Worried your old gas heater is no longer safe? Not sure you’re getting the same performance out of your ducted gas heating as before? An Alliance Climate Control technician can resolve all of your issues with a convenient gas heater service and tune-up. 

With each maintenance service, a trained and licensed technician will inspect your gas heater and identify any issues, ensuring any emerging problems are picked up and resolved early. 

Some of the common issues we find in residential gas heating systems are:

  • Gas leaks 
  • Blocked and dirty filter 
  • Poor flue connections
  • Ignitor and sensor faults
  • Carbon monoxide leaks

Choosing an experienced professional gas heating technician is essential to keeping your gas heater in good condition. Amateur servicing can lead to dangerous faults and decreased performance of your gas heater, costing you more on your energy bills. 

The best solution? When you need ducted gas heating servicing in Sydney, call the trusted professionals at Alliance Climate Control. You can rely on our expert team to restore your heating system to peak condition with our comprehensive maintenance and tune-up service.

Book your gas heating maintenance service with Alliance Climate Control today.

Why Choose Us?

Reliability

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

5 Star Rated

Over 10,000 happy customers and positive reviews

Relationship

Alliance cares about our customers and build long-term relations

Locally Owned

Family owned and operated business

Reputation

Trustworthy, accountable & quality workmanship

Schedule an appointment with
one of our specialists today.

What Are The Benefits Of
Regular Gas Heater Servicing?

A gas heating system is something you rely on to keep your home warm, and it’s important to keep it in good working order. Regularly having your ducted heating serviced helps avoid costly repairs, keeping it running safely and efficiently. 

Benefits of regular gas heater servicing include:

Cheaper operating costs – A well-maintained gas heating system will run more efficiently, saving you money on your energy bill.

Better heating performance – A regularly serviced system will heat your home more evenly, offering faster and more efficient climate control.

Fewer repairs – A well-serviced system is less likely to break down, while skipping gas heating maintenance can lead to premature wear and tear.

Cleaner air circulation – A properly serviced system will help to circulate clean air throughout your home, improving your indoor air quality.

Helps prevent carbon monoxide poisoning – Carbon monoxide is a deadly gas that can be produced by faulty or poorly maintained gas heating systems. By having your gas heater serviced regularly, you can help prevent carbon monoxide poisoning in your home.

Protects your warranty – Some manufacturers require proof of regular servicing to validate the warranty. Regularly scheduled servicing will help protect and validate that warranty if you need it later down the track.

Having your ducted heating serviced is an essential investment in your home’s safety and energy-efficiency. To book your next service, contact the experts at Alliance Climate Control. 

Schedule an appointment with
one of our specialists today.

How Do I Know If My
Gas Heater Needs Servicing?

If you’re noticing that your gas heater isn’t running as well as it used to, it may be time for a service. Servicing your gas heater will fix any minor issues impacting your heater’s performance, and ensure it’s still operating safely.

Here are some signs that your gas heater may need servicing:

  • Your gas heater is not as warm or efficient as it used to be
  • Your gas heater makes strange noises
  • Your gas valve is sticking or doesn’t work properly
  • Your system hasn’t been serviced in the past 6 to 12 months

If you’re experiencing any of these problems, it’s time to call a professional for gas heating servicing and maintenance.

It can be hard to determine if these are symptoms of a system that needs servicing or repairs. Thankfully, the expert team at Alliance Climate Control is here to help you out.Our experienced team members can diagnose your gas heating issues and let you know if we can resolve it with a simple performance tune-up. 

To help avoid issues in the future, we can organise a regularly scheduled maintenance plan for your ducted heating. By keeping on top of maintenance, you’ll enjoy better performance from your home heating for longer – giving you the very best value for money. 

To book your ducted heating service, contact Alliance Climate Control today. 

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.

How Often Should You Service
Your Gas Heater?

Keeping gas central heating in good working order is important for a number of reasons, ensuring your heating system is reliable, safe and long-lasting. But how do you know when your gas heater needs servicing? 

The average gas heating system needs to be serviced every 12 months, but this may vary depending on the make and model of your heater, as well as how often it’s used. For example, if you’re using your gas heater for over 7 hours a day, it’s going to need more frequent servicing to avoid performance decline. 

If you’re not sure when your gas heater was last serviced, or if it needs servicing, don’t put it off any longer. Here at Alliance Climate Control, we’re Sydney’s experts in gas heating. We’re here to help you keep your home’s heating working efficiently, saving you dollars on your gas bills.  

Here at Alliance, we understand that keeping your home warm and comfortable is important. Keeping our clients’ gas systems in safe working order is our top priority. 

If it’s time for gas heating maintenance, book an appointment with our technicians today. 

What’s Involved in a
Ducted Gas Heating Service?

When the team at Alliance Climate Control comes to your home, we start every heating maintenance service with a thorough inspection. We’ll make sure that all components are in good working order, and look for any hidden signs of wear or damage. 

Ducted gas heater servicing includes: 

Carbon Monoxide Testing – We use specialised equipment to test your home for any carbon monoxide leaks. Our carbon monoxide testing equipment is incredibly accurate ensuring any dangerous leaks can be dealt with immediately. 

Fan Assembly Cleaning – Fan assembly systems can build up dust and debris which can lead to reduced efficiency and higher wear and tear. A clean fan assembly is essential to prolonging the life of your ducted heating. 

Flame Sensor Testing – The flame sensor is an essential part of your gas heating system. As part of our gas heating service, we clean and test flame sensors. 

Igniter Adjusting – Keeping the igniter in working order is required for any gas heating system. As part of our maintenance, we check the spark gaps in your igniter and test them to ensure they are working correctly. 

Capacitor Checking – We will inspect the capacitors in your system and compare it to the output in your home to make sure everything is running at a safe and efficient voltage. 

Airflow Inspections – Airflow is essential no matter what type of heating system you have. As part of our service, we inspect ductwork to ensure there are no blockages or faults impacting efficiency. 

Return Air Filtration & Grille Examining – The return air filters and grilles are another component that can get dirty and clogged over time which will reduce air flow and efficiency. We also treat these parts to prevent bacteria build-up. 

Voltage Testing – We use voltage testing units to ensure your gas heating unit that they are not overdrawing power. We can also test to see if an older system is drawing an unusual amount of power. 

Mounting Inspections – We check the mounting level of your heat exchanger to ensure it’s properly and safely installed. 

Thermostat Calibration – Thermostats can be incorrectly calibrated due to ageing, upgrades or renovations. We recalibrate thermostats as part of our service to make sure they are working efficiently. 

Flue Connection Inspections – We test the flue connections throughout your home during a service. This is part of the system that will remove harmful gases out of your home, so is critical to maintain. 

Electrical Connection Checking – We will go through and test the electrical connections in your system to ensure they are all safe and working correctly. Addressing wear and tear prevents wiring-related electrical fires. 

Carbon Monoxide Alarm Testing – Having a carbon monoxide alarm in your home is essential to your home safety. We provide carbon monoxide alarm installations, as well as regular testing. 

After the service is complete, we’ll give you a full system report of what we found and what was done during the service. This maintenance tune-up report is one of the many things that makes Alliance Climate Control unique, giving you a thorough servicing record and keeping you in the loop every step of the way. 

If there is any need for a part to be replaced, we’ll always give you a cost estimate and keep you fully informed of your options. If more extensive gas heating repairs are required, our technician will give you an honest and competitive quote on any work recommended. 

During the service, our friendly team members are more than happy to walk you through what we are doing, and give you advice on how to run your central heating more efficiently. We’ll gladly address any questions you have during the appointment. 

Here at Alliance Climate Control, we provide a comprehensive heating service and tune-up, giving you complete peace of mind. When you choose Alliance, our expert technicians will help your system run smoothly all winter long. 

Get in touch to book your ducted heating service with Alliance Climate Control today. 

We Are cm3
Qualified Contractors

Cm3 certification is a Work Health & Safety (WHS) prequalification system. Being Cm3 certified, means our business has demonstrated the highest-level health and safety capabilities as well as having the right insurances and licences to protect our customers. Using a Cm3 certified technician is crucial to ensuring you and your project are in safe and protected hands.

Why Choose Alliance for Ducted Heating
Servicing in Sydney?

Alliance Climate Control are the trusted experts in gas heating in Sydney. All of our team are licensed and qualified, with years of experience performing quality servicing and repairs. But not every technician is familiar with all models and brands, and not all have the same level of expertise. 

As a result, choosing the right gas heating professional is crucial. Poor quality gas servicing is a common cause of costly repairs and replacements later down the track. 

Small issues can be missed by an inexperienced gas heating technician, and these can cause huge issues if overlooked. Some of these issues can include:

Faulty thermostats – A faulty thermostat can cause your gas heater to turn off and on frequently, leading to more expensive energy bills.

Damaged heat exchangers – A damaged heat exchanger can lead to carbon monoxide leaks, putting your family’s safety at risk. As this usually occurs between services, it can also hide small leaks which are very dangerous without any visible signs.

Clogged venting ducts – If the venting ducts throughout a house get clogged up with dirt, waste or other debris (such as particles from smoking) then the overall efficiency of your heating system decreases considerably.

Having your system serviced by a reliable technician is the only way to ensure you won’t suffer from any of these issues. Because poorly serviced gas systems can be dangerous, you need to work with a technician you can count on to keep your family safe. 

That’s why so many families turn to Alliance Climate Control for gas heating servicing in Sydney. We’re the trusted name across Greater Sydney, and we provide a high-quality service at accessible prices. 

Don’t risk using any other company – give Alliance a call today to book your next gas heating service and tune-up.

Our Gas Heating
Maintenance Services

Proper servicing and maintenance can mean the difference between a heater that lasts for years and one that needs to be replaced prematurely. If your ducted heating system hasn’t been serviced in the last 12 months, don’t wait any longer – contact Alliance Climate Control for your booking. 

At Alliance Climate Control, we provide a wide range of gas heating services to help you keep your system running in top condition. From annual check-ups to servicing and maintenance tune-ups, we can help with all your ducted heating needs. 

Here at Alliance Climate Control, we’re dedicated to helping you keep your home comfortable and safe. To book your gas heater service, get in touch with our team today.

Schedule an appointment with
one of our specialists today.

What Our Community
Is Saying About Alliance

Alliance Climate Control - Heating, Cooling, Electrical
4.9
Based on 2631 reviews
Michaela W.
Yunus and his team were brilliant. Courteous, communicative and respectful. I highly recommend Alliance
daniel T.
The technician was courteous punctual and efficient. He was a good communicator and thorough. It went very smoothly. Thankyou
Janice J.
Stayed in contact all the way. Quick friendly service. Everything done on time.
Antony R.
I was so impressed with Alliance after my air conditioner installation I got them back to do some electrical work. Mohamad and TK did an amazing job installing a couple of ceiling fans and replacing three ceiling light fittings. They were prompt and professional and even took away all the rubbish! I'll definitely be using Alliance again. Cheers.

Ivan, Ben, and Can did a terrific job installing my air conditioner into an apartment where little thought had been given by the architect to where the conduit for an air conditioner might be installed. I was very impressed by their perseverance and professionalism. Many thanks!
Maryia
Wonderful experience with Alliance for the annual air conditioning maintenance check - very responsive and easy to book, and Kody, the technician, was very polite, knowledgeable and did a fantastic job
Toni H.
Luke kindly phoned to tell me he was on his way. He arrived within the given time. He was courteous, friendly and efficient.
M
My aircon was serviced by ACC and they did a great job. Damon and Brandon went the extra mile and had great customer service. Thanks guys!
Greg & E.
The maintenance booking and reminder process was easy and excellent.
The service technician arrived on time. He was courteous, pleasant, competent, did a thorough job, carried out the work competently, was very organised, worked safely and maintained a clean worksite both inside and outside the property.
A pleasure to have this quality of service!!!
John L.
We had 2 teams at our house.
B.J,Theo and James installed units in 2 bedrooms upstairs and an inverter outside. They did a great job and had it done in one day.
We also had 2 other unots serviced and cleaned by TK and Eric who were thorough and gave us maintenance tips. The quote from Kody was spot-on and heaps betyer than the main competitor.
Jack H.
Two great men, well organised, tidy and job well done
Kieron B.
Original Review:
I had a split air con unit installed in my apartment by Alliance last week. Yunun and his team did a fantastic job from start to finish. They were friendly, professional and ensured that the unit, compressor, cabling and ducting was installed neatly and blended in with the surroundings. They left my apartment in showroom condition after they finished! I couldn't be happier. Highly recommended.

Update – April 2026:
Andre G came out to complete the annual maintenance on my aircon under job #105771, which Alliance installed last year. The unit was particularly dusty inside, and Andre carried out a thorough service and deep clean. He was professional, meticulous, and explained each step clearly in advance. He did a terrific job and left the apartment spotlessly clean. Thanks again to the Alliance team for consistently great service.
Nina F.
The technicians were on time and professional, they did a really good job deep cleaning our AC units which were very dirty and blocked by molds causing water dripping. I am happy that my ACs was fixed and working well now.
Jacinda M.
2026 - Kyle and Nikola came for my yearly service. They were a pleasure to have. Very professional and did such a good job! I wish I could give them 20/10 stars

Great experience! All the staff are extremely professional. It’s obvious the company has invested a lot into tech and their process to give a great customer experience. Special mention to Gabriel, BJ and Zac for their help!
JJ F.
Very good experience with Alliance Climate Control.

Ivan led the team with Mosa, Zac and electrician Mohamed. Two split units installed and condenser placed neatly at the back.

Process was smooth from start to finish. Clear quote, easy scheduling, no surprises. They arrived at 7:15am and finished by 3pm.

Old heritage terrace, not an easy job. They adapted on site and improved a couple of original decisions. Final result is better because of that.

Workmanship is clean. Conduits through the roof cavity are tidy, indoor units fit well above the windows, and the outdoor unit is discreet.

Ivan communicated clearly throughout and set everything up on our phones at the end.

Professional team. Good execution. Would highly recommend.
stefan W.
Alliance is an amazing company. I thought professional service like this had disappeared years ago. Not only that - but all team members really know their stuff. From the initial sales call with James to comms with the office, booking the day doing the install and cleaning up afterwards everything went like a training movie. How do you get everyone on the same page??? All I can say guys is thank you for an outstanding job - I'd hate to be your opposition.
Joey L.
I had the team from Alliance (Aysa, Vi, Nikola, Eric, Harry, Aiden and James) put in aircon at my apartment. The whole process was great from start to finish. They were professional, punctual, tidy and very friendly. Highly recommend!
Lachlan
The team at Alliance is excellent.

Their knowledge and service lead to an install that was a day shorter and significantly cheaper than quoted. This was completely unexpected after another local company couldn't be bothered to tell me my project was beyond their skill level and ghosted me without providing a quote.

Jason was able to avoid cutting into our ceiling which was amazing after preparing ourselves for a significant patch and paint job.

They are professional, fast and everyone I had contact with was eager to help.

If anyone even slightly mentions air con or an aircon issue I'll be recommending Alliance.
David H.
Alliance Climate Control were a pleasure to deal with. Really professional & a smooth experience from start to finish. I was really happy with the installation team - Qais, Louis & Callum did a fantastic, neat job & left the place immaculate. I asked for a minor change to the drain lines and they were very accommodating.
Stephen K.
Excellent professional service.
Turned up on time, knowledgeable technicians.
Lily L.
We recently had a new ducted air conditioning system installed by Alliance Climate Control and couldn’t be happier with the experience. Liam was the first to attend our home when our 20-year-old system failed. He took the time to thoroughly assess the situation, explain our options clearly, and provide a very competitive quote. His friendly and professional approach made the whole process easy and stress-free from the start. On installation day, Vy and his team were great. They were punctual, efficient, and kept us informed throughout the entire process. They took care to keep our home clean and made sure everything was working perfectly before they left. Overall, the service was outstanding from start to finish. We really appreciated the professionalism, clear communication, and attention to detail. Highly recommend Alliance Climate Control to anyone looking for a reliable and high-quality air conditioning installation.
Leo N.
Fantastic team and great work on replacement system install. 👍 Huge thank you to Qais, Louis & Christian.
Guy M.
Great all-round service from Alliance! Communication was timely from Will and Chris in the office, and Liam, BJ, Theo and Nic were great to deal with for the job quote, service, and install. The install required access to my neighbour’s property, he also commented that they were incredibly polite—asking to move pots and putting everything back exactly as it was. Highly recommend!
Lance L.
Good, professional installation, very happy.
Innes P.
As usual, a pleasure to work with the team, installation went well with the team completing the work in the time they said they would, and following up when needed.

All very tidy too, with everything, even the old fans taken away - great work, thanks Charles and team!
Ovi D.
Professional service, arrived on time and good communication throughout the appointment process
David B.
Excellent and efficient service.
Good humoured in spite of having to climb stairs because of broken lift.
Oliver L.
Allianz climate control were great! Super detailed and thorough service of our ducted air conditioning for about 2hrs on site. Cristiam the technician was awesome 🙏
Jason
We recently had our ducted air conditioning system replaced and couldn’t be happier with the experience. Their current google rating really reflects their level of service, From start to finish, the team delivered excellent customer service and made the whole process seamless.

Everyone we dealt with — VJ, Eric, Brody, Mosd, Harry K and Ionnaes — was friendly, knowledgeable, professional and always punctual. They were respectful of our home and took the time to explain everything clearly, which gave us a lot of confidence in their work.

We really appreciated the trusted advice provided throughout — it never felt like a sales push, just honest recommendations tailored to what we needed.

The operations were also very well organised. From the initial booking, through to installation and final payment, everything ran smoothly and on schedule.

Highly recommend this team if you’re looking for a reliable and professional air conditioning company.
M. G S.
The air conditioning service was outstanding. The technician arrived right on time, communicated clearly throughout the visit, and provided helpful information after the job was done. He serviced the equipment thoroughly and professionally. Couldn't be happier with the experience—highly recommended!

Update. March 2026

AGAIN! We had an outstanding experience with Alliance Climate Control, thanks to Gabriel & Nicolas.

They were extremely professional from start to finish; quickly diagnosed and resolved all of our air conditioning issues with confidence and precision. What really stood out was how informative they were, I was clearly explained the problems, the solutions, and how to prevent future issues.

The attention to detail, efficiency, and friendly approach made the entire process seamless. It’s rare to come across someone so knowledgeable and genuinely committed to great service.

A huge thank you to Gabriel and Nicolas; outstanding service.
Gail G.
Service is fabulous. Great customer service. Professional and very competent technician. I would recommend without hesitation.

Save up to 

$250

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.

Book Online