How to tell if your swimming pool heater is efficient

How to tell if your swimming pool heater is efficient

3 mins read

If you are a pool owner, you understand the struggle of keeping thousands of litres of water at the desired temperature in a cost-effective and efficient way.

We at Norwest Gas recommend the use of gas pool heaters. In our experience, this heater type is the most efficient and it’s a great money-saving option over the long run.

Other popular options like solar heating sound good, but these often present more problems and require longer running times than gas heaters.

To help you determine if you’re getting the most out of your current system, we will discuss some ways to check your pool heater’s efficiency.

If you’re thinking about getting a pool installed with a heating system, then this article will also be helpful to you as we highlight some tips before you even break ground.

Step 1: Assess the size of your pool

If you have a swimming pool heater and you are unsure as to why the water is not warming up properly, then it could be because the pool is too large for the heater.

Some pumps may not be able to handle larger pool capacities, which may dramatically impact heating efficiency.

Having the right pump for your pool size is important. Lack of efficiency applies to both overpowered and underpowered pumps.

Of course, you don’t want to expel more energy than needed, but you definitely want your pool heated.

A gas pool heater works well with smaller and larger swimming pools. The only impact will be how long it needs to run for.

Pool heater efficiency step 1

Step 2: Monitor the time it takes to reach desired temperature

In order to assess your pool heater’s efficiency, you should assess how long it takes for the water to reach the desired temperature.

There are going to be multiple factors such as wind, weather and temperature that could affect the test. But timing it, then comparing it to the manufacturer’s guides, should be a good indicator.

If your pool heater is inefficient, it will be taking too long to heat up. This can limit your enjoyment and at the same time, expel more energy than needed, costing you more money.

Pool heater efficiency step 2


Let’s say you conclude that your swimming pool heater isn’t running efficiently. What can you do?

When a body of water is constantly being beaten with cold wind, then the temperature can fluctuate intensely.

A pool cover is a great way to trap heat and prevent evaporation. Plus, it can keep the pool clean and ready for use!

If you are yet to build your pool, consider buying a cover from the beginning. You should be able to purchase a complementary pool heater that will supplement the cover’s impact.

Another thing that you can do is to plant around your pool area.

Most pools have some space around the ledge. So, if possible, consider planting mess-free plants.

These will help reduce the impact of wind on the water by acting as a windbreak. This, in turn, will help the pool remain at the right temperature.

Pool heater efficiency solutions

Ultimately, the best way to ensure your pool heater is running efficiently is to have a trusted pool heating expert come and have a look.

As one of Sydney’s leaders in pool heating, our team at Norwest Gas can help you out! For more information, talk to our friendly staff at 1300 499 169.

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