Hot Water Systems

Instant hot water system Australia buyer's guide: gas from $749, 3 phase electric from $1,139, top picks by city and what each one really costs to run.

Which commercial instant hot water system suits a cafe, salon or small site, compared. Stiebel Eltron DHE 27 from $1,545, Midea M26 gas $849, sized by outlet.

The best hot water system for an apartment or unit, compared. Top pick is the Stiebel Eltron DEL 18 Plus at $1,365, plus what to buy on single phase power.

Cheapest hot water system to run, compared: a $749 Midea M20 on mains gas costs about 37c a shower, electric instant about 75c. See which wins at your place.

Stiebel Eltron DHE vs DEL Plus compared: same 28 kW, $146 apart. Our pick is the DEL 27 Plus at $1,399. Here is when the DHE is worth the extra.

Thinking of replacing your hot water tank with an instant system? Here is what changes for gas and electric homes, what it costs, and when to skip it.

Heat pump hot water vs instant electric vs gas continuous flow: running costs, power supply, climate and upfront price, and which type suits your home.

An undersink boiling water unit gives you 95°C water at the tap with no kettle. What it costs to buy and run, and who should not bother with one.

Why hot water is 50 degrees in Australian bathrooms but 60 in a storage tank, when you need a tempering valve, and which instant units skip one.

Hot water flow rate in litres per minute for a real Australian family: shower and tap numbers, winter output, and whether 20L or 26L gas is enough.

Midea continuous flow hot water, M20 vs M26: real winter flow, gas use, price and which one suits your house. Straight answers from people who sell both.

A point of use hot water system puts a small heater right at the tap. Where it works, which unit fits, and when a granny flat needs something bigger.