phone icon

Table Of Contents

When selecting a hot water system for your home or business, you have two main options: electric and gas. Both types have pros and cons, so it's essential to understand the differences before deciding. This article looks at gas vs. electric hot water systems and compares them to help you make an informed choice.

Gas Hot Water Systems

Gas water heaters are a popular choice for many homeowners because they are more energy-efficient than electric models. They work by heating water using a gas burner fueled by natural gas or propane. Gas water heaters are also relatively cheap to operate, making them a cost-effective option in the long run.

One of the main advantages of gas water heaters is their fast recovery rate. This means they can heat water quickly, so you don't have to wait long for hot water. They are also more durable than electric water heaters and can last up to 10 years or more with proper maintenance.

However, gas water heaters require regular maintenance to ensure they run efficiently and safely. Gas leaks can be dangerous, so having your system checked by a qualified professional at least once a year is essential. Gas water heaters also require proper ventilation to prevent carbon monoxide from building up in your home or business.

Electric Hot Water Systems

Electric water heaters are another popular choice for homeowners and businesses. They work by heating water using electric resistance elements inside the tank. Electric water heaters are straightforward to install and maintain and don't require any special venting like gas water heaters.

One of the main advantages of electric water heaters is their low, upfront cost. They are typically cheaper to purchase and install than gas water heaters. Thanks to technological advances, they are also more efficient than they used to be. Modern electric water heaters can be up to 20% more efficient than older models.

However, electric water heaters are more expensive to operate than gas models. They are also slower to heat water, so you might have to wait longer for hot water. Electric water heaters also have a shorter lifespan than gas models, typically lasting between eight and ten years.

Types of electric hot water systems

As far as electric hot water systems go, there are a few different types of electric hot water systems to consider. These include:

  • Storage systems: These are the most common type of electric water heater and work by heating and storing hot water in a tank. They come in varying sizes, from small 25-litre tanks to large 400-litre tanks.
  • Instantaneous systems: These systems heat water on demand, so there's no need for a storage tank. They are more energy-efficient than storage systems but may not be suitable for growing families or businesses.
  • Heat pump systems: Heat pumps work by extracting heat from the air outside and using it to heat water. They offer greater energy efficiency than traditional electric water heaters but can be more expensive to purchase and install. They are best suited to households and businesses that use a lot of hot water.

Electric vs. Gas Hot Water Systems: A Comparison

The two main options for hot water systems are electric and gas water heaters, as seen in this article. Both types have advantages and disadvantages, and the choice between them will depend on your individual needs and preferences. Below is a comparison between the two to help you make an informed choice.

Energy efficiency

Gas hot water systems are generally more energy-efficient than electric ones, which means they can heat water more quickly and use less energy. This is because gas is cheaper than electricity. Additionally, gas hot water systems can heat water using less gas than it would take to heat the same amount of water using electricity.

Cost

When it comes to cost, electric hot water systems are generally cheaper to purchase and install than gas systems. This is because electric systems do not require a gas line or a venting system, which could be expensive to establish if your house is not connected to either.

However, over the long term, gas hot water systems tend to be more cost-effective due to their energy efficiency. Electric hot water systems are more long-lasting than their gas counterparts. Consequently, you could compensate for the higher operating cost since it will last longer than a gas heater.

Recovery rate

The recovery rate refers to how quickly a hot water system can heat a full tank of water once the existing amount has been depleted. Gas hot water systems have a faster recovery rate than electric systems, which means they can heat water more quickly and provide hot water for extended periods. This should be your go-to if you have a particularly high demand for hot water in your household.

Maintenance

Gas hot water systems require more maintenance than electric systems. This is because they have a combustion chamber and a burner, which need to be inspected and cleaned annually to ensure they function correctly. On the other hand, electrical hot water systems do not require as much maintenance. However, they might need to have their heating elements replaced periodically.

Durability

Electric water heaters are generally more durable than gas water heaters because they have fewer mechanical parts that can break down over time. An electric water heater could last up to 15 years with proper maintenance.

In comparison, gas water heaters have more mechanical parts than electric water heaters. This could lead to more breakdowns over time. However, a gas water heater could still last up to 12 years with proper maintenance.

Environmental impact

When it comes to environmental impact, both types of hot water systems have their advantages and disadvantages. Gas hot water systems emit greenhouse gases such as carbon dioxide and methane, contributing to climate change.

On the other hand, electric hot water systems rely on electricity, often generated from fossil fuels, and could also contribute to greenhouse gas emissions. However, they could also be powered by renewable energy sources, which is a plus.

Safety measures

Electric water heaters are much safer than gas water heaters because they do not produce harmful fumes. Electric water heaters have built-in safety features, such as temperature sensors and automatic shut-off switches, to prevent overheating and other safety hazards.

On the other hand, gas water heaters can be dangerous if they are not correctly installed and maintained. They require proper ventilation to prevent the buildup of harmful fumes, making them less safe for indoor use.

However, they have safety features in place, such as automatic shut-off switches and pressure relief valves, to safeguard against gas leaks and other safety hazards. Gas water heaters also require an annual inspection to ensure that the ventilation system is working correctly and that there are no gas leaks.

Which Hot Water System Is Better for You?

It's difficult to say which system is better because gas and electric hot water systems have advantages and disadvantages. The selection between the two will depend on your individual needs and circumstances.

Electric hot water systems are generally more energy-efficient and cost-effective in the long run, especially if you have a small household with low hot water usage. They are also safer for indoor use and require less maintenance.

Gas hot water systems are generally more powerful and can heat water faster than electric systems, making them a better choice for larger households with high hot water usage. They are also more suitable for outdoor use, such as pool heating or outdoor showers. However, they require proper ventilation and annual inspections to prevent gas leaks and ensure safety.

Ultimately, the decision comes down to your specific needs and circumstances. Consider factors like the size of your household, your hot water usage, and your budget when deciding. It's also essential to seek professional help for installation and maintenance to ensure that your system is running efficiently and safely.

Seek Professional Hot Water Services

Whether you choose an electric or gas hot water system, it's vital to seek professional hot water services. A licensed and experienced plumber can ensure your hot water system is installed correctly and functioning safely and efficiently. They could also provide regular maintenance to keep your system in good working condition and diagnose and repair any issues that arise.

Don't take chances with your hot water system; hire a professional plumber for all your electric or gas hot water needs. They have the knowledge, tools, and expertise to ensure your system runs smoothly and safely, giving you peace of mind and hot water whenever needed.

Brisbane's Most Trusted Plumber

Plumbing Maintenance | Drainage Services | Gas & Hot Water | No Job Too Big or Too Small

More from Our Blog

You Might Also Like

See All Posts