Things You Need To Know Before Installing A Hot Water System Unit at Home

Guest post contributed by Shiwei Huang

If you’re planning to install a hot water system unit in your house, that will cost your around $80 an hour. But if the job is simple and easy, the installer may even charge less, as low as $70 an hour. If the installation process turns out to have some complications and obstructions, of course, the price of the service may go up to about $88 an hour.

Cost of the Project

A unit for the hot water system can cost you about $1,000. However, if you already have a unit and you only need professional service to have it setup, you have to prepare around $182 for the labor. If any additional piping is necessary, the cost of the installation can even go higher.

Factors to Control the Price

There are many benefits from having a hot water system. Before you buy your own hot water system unit, ensure that you have included in the budget the cost of the installation. Typically, the suppliers charge a fee separately for the service. It would be beneficial for you if you know the many factors that you must consider in getting a price estimate.

Kinds of Hot Water Systems

Electric and gas hot water systems are almost similar in terms of the average cost for installation. But if your unit for the hot water system is the solar type, you are going to pay a higher amount to your installer. This is because solar panels need to be installed up on the roof. The job then becomes more difficult for the installer, and they need other equipment and tools to be able to access the location and proceed with the installation.

Sizes of the Hot Water System

The size of the system that you plan on having installed in your home depends largely on many factors such as how many bathrooms there are and how many people are in your household. You should also consider other factors such as some days where the consumption is higher than usual. Obviously, the larger the hot water system, the bigger your expenses. So that is something you have to prepare for.

Difficulty Level

The easiest job would be having to replace an old hot water system unit. By installing a new unit, it would usually involve added pipings, so the job is more costly. Installation of solar hot water systems could be the most expensive in terms of the level of difficulty as it requires the installer to go up on the roof to place solar panels.

Different Installation Prices Per State

In South Australia, the installation price is at around $70. That’s the most affordable among the states. In Queensland, for the same service, you can expect to pay around $79 per hour. Victoria residents need to prepare around $76 per hour for installation costs. The most expensive would be in New South Wales at around $80 for a basic installation job.


When you have a hot water system unit, it is a must that you call a professional installer to do the job. This is to make sure that the unit you have will be able to function for many years. Finding an installer is almost the same as looking for builders and painters in Sydney, you can ask for recommendations from your neighbors or friends. You might find one who does a great job for a reasonable price.

Have you had a hot water system unit installed in your home recently? How much did it cost you? Do you have any money-saving tips to share? Tell us in the comments below!


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