How Often Should You Service Your Gas Appliances? A Safety Checklist for Homeowners

Mainline Plumbing andv Civil Pty Ltd Client • December 18, 2025

Around 70% of Australian homes use gas, particularly for gas heaters that may be portable or connected to a flue that removes harmful gases. These heaters provide reliable warmth on cool winter nights but need to be serviced periodically to ensure they continue to work correctly.

A badly installed or damaged flue, or a heater that is worn or damaged, can be a threat to everyone's health. Even minor problems with equipment can affect efficiency and so it is vital that you have everything checked and serviced at regular intervals.

Why a Regular Gas Service Inspection is Needed

Servicing of your gas heaters should be carried out every 24 months and possibly more frequently for other equipment. In each case, check the manual that is provided with the equipment to find the recommended period.

Regular gas appliance servicing is necessary for several reasons:

  • Periodic cleaning and replacement of worn parts will ensure appliances work properly and at peak efficiency, ensuring maximum heat while saving on unnecessary energy usage.
  • Poorly maintained equipment will be prone to leaks of gas and emissions that are a threat to everyone in the property. In particular, carbon monoxide (CO) is a serious threat that is difficult to detect due to it being without any smell or colour.
  • Regular inspections will identify possible problems, including worn or defective parts, that can be easily fixed before they become worse. This will help to prevent breakdowns and will also prolong the life of equipment so premature replacement is avoided.
  • Many manufacturers require regular servicing of equipment to maintain the warranty. A failure to do so, therefore, will mean the warranty is invalidated.

Problems that Indicate Servicing is Overdue

The biggest problem you can experience with faulty gas equipment is the possible escape of carbon monoxide into your property. This is an extremely poisonous gas that cannot be detected by smell or sight so the installation of an audible alarm in every room where there is a gas appliance is essential.

Symptoms of carbon monoxide poisoning can often be similar to a common cold but signs also include nausea, headaches, dizziness, weakness, trouble with breathing and vomiting. Seek immediate medical attention if anyone experiences any of these symptoms.

Problems with your appliances, which can include leaking gas, can be indicated by several warning signs:

  • A flame that is yellow or orange and intermittent instead of being mainly blue and constant.
  • A pilot light that will not stay lit.
  • Scorching, soot or black marks on the appliance.
  • Gas bills that are higher than normal.
  • A low hissing noise coming from any appliance, even when not in use.
  • House plants that are dead or dying.
  • A smell of gas, which will be like sulphur or rotten eggs.
  • Condensation on the inside of windows when appliances are in use.

If you suspect a leakage of gas or the presence of carbon monoxide, do not ignore it. Turn off all appliances and the gas supply, open all windows and doors to ventilate the property and clear the area to prevent any harm. To avoid possible future problems, never cover chimneys, flues or air vents so they are properly ventilated and keep all appliances well clear of flammable items.

Possible problems can also be reduced by:

  • Organising a scheduled service at least every two years and always sticking with the schedule.
  • Ensuring required repairs are always carried out promptly and that out-dated equipment is replaced.
  • Never leaving gas heaters running overnight since extended and unattended use can increase the chances of carbon monoxide leaks.
  • Not using extractor fans at the same time and in the same room as a gas heater because this can cause negative pressure that draws in carbon monoxide.

Regular servicing will keep your equipment running and everyone safe but at other times you can do your bit to help the process. Taking sensible precautions and remaining observant are sometimes all that is necessary.

Keeping Safe With Regulator Gas Appliance Servicing

Whilst gas heaters and other appliances are perfectly safe when used properly, like all equipment they are prone to possible faults and failure, including leaks. You can protect yourself from any danger by scheduling regular services that will include:

  • A visual inspection of all equipment, looking for signs of corrosion and wear that will cause eventual problems.
  • Cleaning from inside appliances any build-up of dust and dirt, paying particular attention to the burner chamber and thermal fuse of a gas heater.
  • Checking pressure is set correctly and ensuring wiring is secure.
  • Making sure carbon monoxide is discharged properly from the exhaust system and that no carbon monoxide is present within the property.
  • Repairing any defective equipment and, where necessary, recommending the replacement of appliances that have reached the end of their useful life.

It is extremely important that all inspections and servicing are carried out by qualified and licensed professionals who know what to look for and the actions to be taken. At Mainline Plumbing & Civil, your safety is our main priority, and we can ensure it through regular inspections and servicing that will keep everything running efficiently.


We also advise you of any actions you can take to minimise problems. For peace of mind and effective gas appliances, contact us today and we will ensure everything works as it should do.

By Mainline Plumbing andv Civil Pty Ltd Client December 18, 2025
By Mainline Plumbing andv Civil Pty Ltd Client December 18, 2025
By Mainline Plumbing andv Civil Pty Ltd Client December 18, 2025
By Mainline Plumbing andv Civil Pty Ltd Client December 18, 2025
By Mainline Plumbing andv Civil Pty Ltd Client December 18, 2025
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