Here is your end to the quest for hot water protection: Gas or Electric? Read this complete guide that answers all your questions about Gas vs. Electric Hot Water system.
Hot water system is the must-have appliance that every home needs, but making the choice of the right hot water system for your home in Adelaide creates a dilemma, as there are multiple choices you have. A perfect hot water system for you saves energy and money both, hence the decision becomes crucial.
In this blog we are comparing two most-loved hot Water systems – Gas vs. Electric Hot Water. Gas systems facilitate fast heating and low maintenance. On the other hand, the Electric systems are easy to install. Considering hot water installation costs, benefits and other relevant factors, this blog helps you to make an informed decision to find the right fit for your home.
Understanding Gas Hot Water Systems
Gas hot water system is just like a reliable friend who is always there when you need it. They are available in two major types – Instantaneous and Storage.
Let us discuss them in detail, throwing light on its Pros and Cons. By understanding the pros and cons of Gas hot water system Adelaide, you may decide the best deal for yourself.
How Gas Hot Water Systems Work
Instantaneous Gas Hot Water Systems:
It heats up the water on demand. This saves a significant amount of energy and money as you use the system only when you need hot water. Have you seen a high-tech coffee machine? You press the button and it’s ready!
Storage Gas Hot Water Systems:
As the name suggests, this type of system comprises a tank which can store hot water in the tank. The storage is so designed that it can keep the water warm for several hours.
The Fuel – Natural Gas or LPG:
Be it natural gas or LPG, both fuels power Gas hot water systems, supplying flexibility depending on the household setup.
Pros of Gas Hot Water Systems
- This system is considered as more cost-effective if natural gas is used as a fuel.
- Immediate hot water supply on demand. It is perfect for busy households.
- Even if the power failure occurs, hot water supply continues.
- Gas hot water heater repairs in Adelaide are reasonable and affordable to all.
Cons of Gas Hot Water Systems
- The upfront investment seems quite steep.
- This system necessarily requires gas connection which is not possible for every household. You may get in touch with
- The major con is the Environment effect. Gas hot water systems emit carbon which contributes to environmental problems.
Understanding Electric Hot Water Systems
This section is a compact comprehensive guide on how most popular electric hot water systems work and its key features.
How Electric Hot Water Systems Work
Electric hot water systems make use of electricity to heat the water. You should select systems with high energy efficiency ratings that save water heater costs and energy bills. There are two main types:
Storage Electric Water Heaters:
Under this system, the hot water is stored in a tank and maintains temperature using heating elements like thermostats and resistive heating coils, to heat the water.
Instantaneous Electric Water Heaters:
These water heaters are tankless as they don’t store hot water. This system provides you hot water on demand and thus storage tanks are not needed.
Pros of Electric Hot Water Systems
- This system has lower upfront cost as compared to Gas hot water systems.
- The systems are also easy to install without any big setup requirement.
- It can be installed in any Adelaide home without the need of gas connection.
- Compatible with solar power panels that makes it an energy-efficient and environmentally friendly option.
- The system of flexibility to install in any space be it small apartments or big houses.
- Hot Water Repairs Adelaide needs low maintenance.
Cons of Electric Hot Water Systems
- Consumes electricity for heating up water hence higher electricity bills.
- Electric systems take more time to heat the water as compared to the gas systems.
- Electric water systems affect the environment by consuming more energy and contributing to a larger carbon footprint. The effect is more serious when the electricity is generated from non-renewable sources.
- In case of power outage this system fails.
Comparing Costs: Gas vs. Electric Hot Water Systems
Upfront Installation Costs
- Installation of Electric Storage Tank System which cost $500 to $2000 per unit. While installation of the Electric Instantaneous System cost $600 to $2000 per unit.
- Installation of the Gas Storage tank system cost $1000 to $7000 as it requires gas line connection. While installation of Gas Instantaneous Systems requires an amount of $500 to $3000 which is effective for small households in Australia.
- Additional installation requirements in Gas systems are Gas connection and venting requirements. On the other hand in electric systems they require power points and robust electrical connections to carry the heavy load.
Running Costs & Energy Efficiency
- Running cost of a Gas hot water system is significantly lesser than electric systems. An electric system the peak tariffs lie between $400 to $1100 while the off peak tariffs are between $350 to $950. The running cost on the other hand in the Gas systems is not more than $800. Note that this cost is per year. Systems powered by solar panels has lower running costs because government rebates and incentives are also deducted from the running cost.
- Energy efficiency ratings are high in heat pump systems. In Gas systems these ratings vary.
Long-Term Maintenance & Lifespan
- The normal lifespan of Gas systems is around 10 to 15 years upon keeping regular maintenance, safety, and efficiency. Comparatively the Electric systems also have a similar life span of 10 to 15 years for tank systems. But in the case of heat pump systems the lifespan is a little shorter. It has to be noted that maintenance is needed every few years for tank systems.
- Some of the common maintenance issues occurring in Gas systems are leaks venting issues and pilot lights issues. If we talk about electric systems, heating elements like anode rod and tank corrosion needs replacement every few years.
- Concerning the regular maintenance cost, it is totally dependent on the usage and the types of the hot water system Adelaide households have.
Environmental Impact: Which is More Sustainable?
Along with analysing the pros and cons of both the systems, it is also important to weigh the environmental impact of Gas vs. Electric Hot Water systems. Let’s dive into to know which one is more sustainable?
Greenhouse Gas Emissions
- Gas Systems adversely impact the environment emitting CO2 and methane gas which contributes to the change in climate.
- Emissions from Electric hot water systems also depend on the source of energy be it renewable or fossil fuels.
Reducing Carbon Footprint:
- Adelaide homeowners can use solar-powered electric systems harnessing the power of natural energy from the Sun. This reduces the reliance on fossil fuels.
- Adelaide people should use high energy efficiency ratings systems that consume less power.
- Advantages of rebates from the South Australian Government can be availed. the government offers incentives for installation of solar panels in Adelaide homes.
The Sustainable Choice:
- Along with considering household’s energy usage and requirements, people in Adelaide should also consider environmental sustainability and choose to go with a greener option.
- Prioritize hot water system brands that are awarded with high energy efficiency ratings so that you lower your carbon footprint.
Choosing the Right System for Your Home
Consider the following key factors that helps you in deciding the perfect hot water system for your home:
Household Size and Water Usage:
Consider the size of your house and family before you select the type of a hot water system. If you are living in a larger space, your daily water requirement Will be more than average and hence you need more water.
Availability of Natural Gas:
If you can make use of natural gas, you should install Gas Hot Water Systems as it proves a cost-effective option for you. Alternatively, you may opt for electric or solar-powered systems to save energy.
Budget and Long-Term Savings:
Before you make a choice, check out your budget and cost of installation, energy including upfront investment. Compare the two and pick the most suitable option for your home. Also less possible savings from using energy-efficient systems from upfront cost to reach at the right cost.
Best Hot Water Systems for Adelaide Homes in 2025
Following are some selected top rated brands known for its efficient and reliable hot water systems. These brands have multiple options in different varieties and budgets.
Gas Hot Water Systems:
Rheem
This brand is popular for its durability and efficient hot water systems. Rheem brand offers a multitude of options for different sizes of households and their needs.
Rinnai
Rinnai Hot Water Systems are designed efficiently to save energy and are quite reliable. Such features make it a popular choice among Adelaide homeowners.
Dux
Another renowned brand popular among Adelaide home owners is Dux. This brand provides high-class, storage and instantaneous, both types of models for hot water solutions.
Electric Hot Water Systems:
AquaMax
Aquamax is a renowned company known for manufacturing energy efficient and reliable electric hot water systems and including heat pumps.
Bosch
When it comes to durability, electric hot water systems manufactured by Bosch are suggested by the experts Plumber Adelaide. They designed efficient systems and are a trusted brand among users.
Stiebel Eltron
If you are looking for an electric hot water system which is equipped with advanced technology as well as energy efficient you should try out hot water systems manufactured by Stiebel Eltron once.
Conclusion: Which One Should You Choose?
To conclude, making a choice between a gas and electric hot water system for Adelaide homeowners depends on several factors like availability of natural gas, household size, budget, and environmental effects. Before making any choice, you must consider the Pros,.Cons, Costs, and Your budget so as to make an informed decision and bring home a reliable hot water system brand.
FAQs
Which hot water system is cheaper to run: Gas Or Electric?
Generally among the two options, hot water systems are cheaper because of lower operating cost and greater energy efficiency. However one should consider the upfront cost and household size before making any decision.
Can I Switch From Electric To Gas Hot Water?
Yes, it is possible to switch from an electric to gas hot water system provided that you install a gas line and ensure compatibility of the gas hot water system with your existing plumbing and electrical setup. You should better consult a professional to get it done perfectly.
How Long Do Gas And Electric Hot Water Systems Last?
Usually Gas hot water systems last for around 10 to 12 years while the lifespan of electric hot water systems are a little longer, up to 15 years. However this lifespan can be affected taking into account proper maintenance, quality of water, and usage levels.
What is the Best Hot Water System For Large Families?
For larger families, the best hot water system can be Gas storage units because they are energy efficient and ensure continuous flow of hot water.
Are There Rebates For Upgrading to an Energy-efficient Hot Water System in Adelaide?
Yes, residents of Adelaide can receive rebates for upgrading to energy efficient hot water systems. The rebates include STCs, REPS, and City of Adelaide rebates.