Blogs

Which is The Best Hot Water System in 2025?

Which is The Best Hot Water System in 2025?

Last updated on April 2, 2025

What Are the Most Efficient Hot Water Systems in Sydney

When it comes to hot water systems, there are several types. Electric, solar, gas, and heat pump systems are all popular choices, but which one is the most efficient?

To answer that question, we need to consider a few different factors. Electric systems are typically the most expensive option when it comes to energy costs. 

Solar systems can be more expensive to install, but they offer long-term savings on energy bills. Gas systems tend to be a cheaper alternative to electric systems to operate, but they can have a significant impact on the environment.

Heat pumps in Sydney are becoming increasingly popular due to their high energy efficiency, low energy consumption, and cheap price to run.

So, which hot water system is best for your property?

When it comes to hot water systems, there are a lot of different options on the market. But if you’re looking for an efficient way to heat your water without breaking the bank, a heat pump system is a great choice. 

Heat pump water heaters work by using electricity to transfer heat from the air into the water. Meaning they can operate even when electricity prices are high and still won’t hurt the bank.

They can provide a household with all the hot water they need – even if multiple people are taking showers. Plus, because heat pump units don’t generate their heat, they don’t produce any greenhouse gases.

So if you’re looking for an efficient and environmentally-friendly option, a heat pump hot water system is the way to go. Due to government hot water rebates, you may be eligible to get this installed for the crazy price of just $33* downpayment, supply and installed!

eco alliance heat pump hot water

**For optimum efficiency, the system shouldn’t be installed indoors**

Gas Hot Water Systems

A natural gas system heats water using natural gas. A storage tank is used to hold the hot water until it is needed, and the amount of hot water that can be produced will depend on the size of the storage tank. To heat the water, a gas burner is used to heat a metal coil. As the metal coil heats up, it transfers the heat to the water in the storage tank. 

When you turn on your hot water tap, cold water enters the storage tank and displaces the hot water. The hot water then flows out of the storage tank and into your home. Gas hot water systems are generally more energy-efficient than electric systems, but they do require regular maintenance to keep them running properly.

Solar Hot Water Systems

Solar hot water units are a great way to heat water using the power of the sun. A solar water system can be used to heat water for domestic use, or for commercial and industrial applications. Solar hot water systems work by solar panels absorbing sunlight and converting it into heat energy. 

solar hot water system
Solar Hot Water System

This heat energy is then transferred to a fluid, which is circulated through a solar hot water system. The fluid in the system is then used to heat water in a storage tank. They are a great way to save money on your energy bill, and they are also good for the environment.

Electric Hot Water Systems

Electric hot water systems are a type of water heating that uses electricity to heat water. 

Electric hot water system
Electric Hot Water

Electric water systems are usually more expensive to operate than other types of water heating, such as gas. Electric hot water systems often have higher running costs. They are typically easier to install than other types of water heaters.

Electric systems use electricity to heat water, so there is no need for a flue or chimney. Electric hot water systems are usually much quieter than other types of water heating. These systems are available in a variety of sizes and styles to suit your needs.

Electric water systems are a popular choice for many homeowners to keep their water hot but seem to be a rising issue due to increases in electricity prices.

System TypeAverage minimum priceAverage maximum price
Electric – “storage” type$450 (25 L)$1900 (400 L)
Electric – “instant” type$660$1400
Gas – “storage” type$850 (135 L)$1700 (360 L)
Gas – “instant” type$750$1800
Solar – Roof-mounted (electric boost)$3600$4800
Solar – Split system (electric boost)$3900$6000+
Solar – Split system (gas boost)$4900$6800+
Heat pump$3300 (160 L)$4600 (315 L)
Hot water systems price comparison chart
e-green electrical logo image

E-Green Electrical

E-Green Electrical is a top tier energy efficiency company based in Sydney. We focus on utilising government rebates to help reduce our clients energy consumption by installing energy efficient solutions. E-Green boasts a rich heritage within the realm of energy efficiency, consistently staying up to date with cutting-edge technologies to deliver optimal results for our valued customers.

We don't just sell products and services; we also provides tips and information on how to help reduce energy consumption. We believe in using energy wisely and teaching others how to do the same. For E-Green, it’s important to share knowledge with the community. That's why we regularly write articles about saving energy, new government rebates available and increasing sustainability.

Related Articles

Heating and Cooling System
How to Choose the Right Heating and Cooling Systems for Your Home? 

Can you believe that close to 50% of your energy bills are due to your home heaters and coolers?  The […]

heat pump hot water advantage and disadvantage
Advantages and Disadvantages of Heat Pump Water Heaters? 

Heat pump water heaters (HPWHs) have gained considerable attention in Australia due to their energy efficiency, cost saving potentials, and […]

Hot Water Systems Replacement Sydney

Are you tired of constantly running out of hot water or dealing with a noisy and inefficient hot water system […]

Best Ducted Air Conditioners to Buy in Australia in 2024

The thought of summer may bring dread of those sticky, sweltering days. However, thanks to technological advancements, you can now […]

Leave a Reply

Your email address will not be published. Required fields are marked *

CONTACT US