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  • Writer's pictureAlby Lye

Thinking about a Gas Conversion ???

So you've been thinking about moving to gas, and now you're wanting to know the pros and cons of moving to gas for your hot water requirements. Well, you're in the right place because we're about to break down the positives and negatives.


Despite what you may have heard, Gas is here to stay for the foreseeable future and we're still encouraging clients to have gas as an option. The Climate Committee had what we'd call "an overreach of power" and we see it as a talking point, but no more than that. As an industry, we're confident gas will be around for decades to come.

  1. Energy Efficiency: Gas tankless / Instantaneous water heaters are generally more energy-efficient than electric water heaters. They only heat water when it's needed, which reduces standby heat loss that is common with traditional storage tank electric water heaters. This can result in lower energy bills over time.

  2. Endless Hot Water: Tankless systems provide a continuous supply of hot water as they heat water on-demand. With an electric water heater, you might run out of hot water if it's a high-demand situation. This can be particularly advantageous for households with multiple occupants or high hot water usage.

  3. Space Savings: Gas tankless water heaters are compact and wall-mounted, taking up much less space compared to traditional electric water heaters with storage tanks. This is especially beneficial if you have limited space in your utility area.

  4. Longevity: Gas tankless water heaters often have a longer lifespan compared to electric storage tank water heaters. They typically last around 20 years or more, while electric storage tank heaters may need replacement after around 10-15 years.

  5. Reduced Environmental Impact: Gas tankless systems are generally more environmentally friendly than electric storage tank water heaters. If Natural gas is available, it's often considered a cleaner-burning fuel compared to electricity generated from fossil fuels. This isn't so prevalent in our country but as a whole, these systems tend to be more efficient helping the overall impact worldwide.

  6. Higher Water Heating Capacity: Gas tankless systems are usually capable of providing a higher flow rate of hot water compared to electric storage tank heaters. This means you can simultaneously run multiple hot water outlets without a significant drop in water temperature.

  7. Precise Temperature Control: Gas tankless systems offer precise temperature control, allowing you to set your desired water temperature more accurately. This can lead to increased comfort and safety.

  8. Maintenance: Gas tankless water heaters may require less maintenance compared to electric storage tank water heaters. This is because there's no need to drain a tank or worry about anode rod replacements, which are common maintenance tasks for storage tank water heaters.

  9. Resale Value: Upgrading to a gas tankless system can potentially increase the resale value of your home, as modern and energy-efficient appliances are often attractive to potential buyers.


Now, some negatives to keep in mind that need to be explained to make sure converting to gas in right for you.


  1. Availability: Natural gas may be an option in your location however, there's a catch. Most companies will charge a line rental to have natural gas supplied to your property, this is on top of the gas used. This charge could be north of $100 p/month depending on your location and company supplying the gas.

  2. Running out of Gas: If Natural gas isn't available, theres always LPG bottles. Most installations will allow for 2 45kg bottles onsite that you'll need to have changed when the first bottle runs out. The idea is to always have a full bottle at all times, and order a replacement bottle when the first ones becomes empty. This isn't a deal breaker for most people, but remember that if you don't order replacement bottles, you run the risk of ending up in a cold shower.

  3. Clearances and meeting codes: There's some very specific requirements that need to be met when installing & maintaining a gas system. Gas can be dangerous if not installed correctly, so it's important you always hire a qualified gas fitter to carry out the work. There are particular clearances around doors, windows, drains and power (ignition sources) that need to be taken into account. So depending on your property layout and approved areas for installs, it may not be the most appropriate option for you.


As Certified Gasfitters, we understand the importance of public safety and proper installation of gas systems. We specialise in Gas Conversions and can offer you several options to improve your homes hot water and your back pocket too!


Give us a call today if you'd like to discuss moving to gas or have any questions and concerns about your current system, we'd love to help.





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