Ducted Heating Service Cost Calculator
Estimate the cost of servicing ducted gas heating. A service covers cleaning, safety checks and, importantly, a carbon monoxide test, which is why skipping a gas heater service is a genuine safety risk, not just maintenance.

Your ducted heating service details
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Ducted gas heaters should be serviced every two years for safety, mainly for carbon monoxide testing. This is one service you should not skip, faulty heaters have caused fatalities.
💰 Ways to save
- Book the service in autumn before the winter rush, you get a better price and availability.
- Service on schedule, a cheap regular service prevents the expensive breakdown and keeps the heater safe.
- On a very old unit, ask whether the service money is better put toward replacement.
How we estimate this
A ducted gas heating service in Australia typically costs around $150 to $350 in 2026 for a standard service and carbon monoxide test, with parts, duct cleaning and after-hours call-outs adding more. Older heaters cost a little more to service.
Pricing reviewed: November 2026.
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Pricing reviewed November 2026. Indicative Australian costs, not a quote.
Understanding ducted heating service costs in Australia
A ducted gas heating service in Australia typically costs around $150 to $350 in 2026 for a standard service and carbon monoxide test, with parts, duct cleaning and after-hours call-outs adding more. Older heaters cost a little more to service.
The service is not just cleaning, the carbon monoxide test is a safety check that can detect a cracked heat exchanger before it becomes dangerous. Gas heaters should be serviced every two years, and this is not a service to defer.
Frequently asked questions
How much does a ducted heating service cost in Australia?
Roughly $150 to $350 in 2026 for a standard service and carbon monoxide test. Parts, duct cleaning and after-hours call-outs add more.
How often should ducted gas heating be serviced?
Every two years is the common recommendation, mainly for the carbon monoxide safety test. Faulty gas heaters can leak CO, so this is a safety service, not just maintenance.
Are you a gas heating / HVAC service business?
Everyone on this page is working out what ducted heating service costs because they are ready to hire. Put your business right beneath the calculator, in your state, so you are who they find. From $50/mo.