Buying a heat pump hot water system means wading through impressive-looking efficiency claims that aren’t always easy to compare.

Proposed federal government rules aim to change that by introducing a minimum efficiency standard for heat pump water heaters sold in Australia.

But a minimum efficiency standard doesn’t necessarily guarantee a good heat pump. So what will these rules actually achieve? [Read more…]

In the colder months of the year, your heat pump hot water system may need adjusting.

Heat pump hot water systems are highly efficient because they don’t generate heat in the same way as traditional electric hot water systems. Instead, they draw heat from the surrounding air and transfer it into the water.

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Heat pump hot water systems continue to grow in popularity as more Australians look for ways to get off gas.

To find out which heat pump installers trust most in 2026, we asked Australian installers a simple question:

“Which heat pump hot water system would you choose for your own home?”

The result wasn’t even close. [Read more…]

Heat pump hot water systems are the most efficient and cheapest way to heat water for your home. Regular servicing and a few simple checks can help maximise efficiency, extend the life of the unit and protect your warranty.

A high-quality heat pump should provide many years of reliable performance with relatively minimal upkeep – but understanding your maintenance requirements is important.

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If you’re getting scalded by the water pouring out of your taps or suffering through underwhelmingly tepid showers, there’s a likely culprit: the tempering valve.

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Noise is a common concern raised by people considering a heat pump hot water system. [Read more…]

Refrigerants are the invisible workhorses of modern climate control. They play a critical role in the operation of both heat pump hot water (HPHW) units and air conditioning (AC) systems. These specialised chemical compounds cycle continuously to absorb heat from one area and release it into another, and are a large reason why split systems and heat pump hot water units are so efficient and cheap to run.

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Certain Chromagen Ariston Primos heat pump hot water system units sold across Australia have been recalled due to a potential fire hazard. Here’s what owners need to know. [Read more…]

When it comes to heat pump hot water units, one of the most important decisions you’ll make is choosing a tank big enough for your needs. As I’ve heard one commentator put it, “no one likes being left cold, wet and naked.”

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Hot water heat pumps can slash energy bills and carbon emissions due to their sheer efficiency, but take things to another level when timed to draw on cheap solar instead of expensive grid energy. Here’s what your heat pump needs to make this possible.

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