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Electric hot water heaters

Electric hot water systems offer a cost-effective, dependable option for households, ensuring a steady flow of hot water. Noosa Hot Water provides straightforward, efficient electric hot water installation and service with dependable results.

 

Logos of leading hot water system brands used by Noosa Hot Water
Logos of leading hot water system brands available on Noosa
Woman enjoying a warm shower, illustrating dependable hot water from Noosa Hot Water

Electric hot water systems

Electric hot water units are still the predominant choice for Australian homes and have been produced locally for more than a century. While the basic technology remains familiar, contemporary models use better materials and thicker, higher-density insulation around their storage cylinders. That improved insulation helps the cylinder hold heat longer, cutting heat loss and boosting efficiency compared with units made before 2000. These systems heat water similarly to a kettle via an immersed element and are sold in three main power ratings for the Queensland market: 1.8kW, 2.4kW and 3.6kW (with some 4.8kW models available in limited areas due to higher supply requirements). The same ratings apply across major manufacturers such as Rheem, Dux, Vulcan, AquaMAX and Rinnai. Bear in mind that changing element wattage doesn’t alter the overall energy rating of the cylinder. For example, a 1.8kW element uses half the power of a 3.6kW element but will take roughly twice as long to heat an equivalent volume of water to the same temperature. Most electric hot water systems are built with mild steel tanks coated internally with vitreous enamel and safeguarded by a sacrificial anode; stainless steel tanks are offered as an alternative, while the older copper-style heaters are no longer produced. Noosa Hot Water supplies and installs dependable electric hot water systems for every household requirement, and our Noosa plumber team handles installation, repairs and gas and electric advice.

Flexible payment plans available now. Don’t wait to get your hot water system sorted.

Client Testimonials

Alex Gugeanu
Brisbane
Couldn't recommend a better business to sort out your water problems. SunCity Hot Water did a fantastic and professional job, experienced tradesman showed up the next day after receiving a quote over the phone of exactly how much my new hot water system will be. There was no surprises once the job was done I knew exactly how much it will cost, no estimates or assumptions. Thank you!
Craig McVeigh
Gympie
Replaced and relocated electric hot water system with a heat pump at a competitive price. Sun City Hot Water did a fantastic job. Were very easy to deal with from quote to finish. Took the time to understand what I wanted and explain how existing plumbing needed to be modified to relocate. On installation day they phoned ahead (always appreciated) and reconfirmed new placement etc before starting. Work was very neat and professional. Made sure that everything was working and cleaned up before leaving.
Anthony Bernardi
Brisbane
Fantastic and prompt service for a hot water system that had failed, imagined that I was up for new system, but the technician was up front and diagnosed the problem and repaired the unit for minimal cost. Highly recommended, will be using these guys when time comes to replace the unit.
Michelle Walker
Sunshine Coast
Great price and friendly staff. The two guys that came out were awesome. Will be highly recommending this company.
Technician outlining an outdoor hot water system installation at a Noosa residence.

An electric hot water system

An electric hot water system can make up roughly a third of your power bill if you don’t have PV solar exporting to the grid. On tariff 11, which supplies electricity at the standard rate around the clock for general power and lighting, running costs tend to be higher. If your heater is on tariff 33 it will typically run for about 18 hours a day, usually pausing between 6–9am and 6–9pm. Tariff 31, the most economical option, supplies electricity during off-peak hours, generally from about 9pm to 6am. It’s worth noting that tariff 31 is usually unsuitable for cylinders smaller than 250 litres when used by two or more people. Electric hot water units come in many storage sizes, from compact 25-litre models for a kitchen or single basin up to 400-litre tanks for larger homes. The following is a general sizing guide for tanks and household use (actual needs will vary by hot water usage): 50L & 80L: Best for 1–2 people in a small unit. Only suitable on tariff 11, not appropriate for off-peak tariffs. 125L: Suits 2–3 people in a unit or small townhouse when on tariff 33. 160L: Suits 2–4 people in a unit or small townhouse when on tariff 33. 250L: Suitable for 2–4 people on tariff 31 in most three-bedroom homes, and up to 6 people on tariff 33. 315L: Good for 3–5 people on tariff 31, or up to 7 people on tariff 33. 400L: Ideal for 4–7 people on tariff 31, up to 9 people on tariff 33, and up to 12 people on tariff 11. Noosa Hot Water can recommend the right hot water systems, tariff arrangements and installation or repair options so you get reliable hot water while keeping your energy costs under control. Contact your local Noosa plumber for expert advice on gas and electric systems.

Why is selecting a new hot water system getting more complicated?

Electric? Solar? Heat pump? Gas?

We provide straightforward, reliable advice from your local Noosa hot water and plumbing experts.

Why Choose Noosa Hot Water?

Workmanship Guarantee

We guarantee the quality of our workmanship for the lifetime of the job.

Fully licensed and insured

We stand behind our trades with a lifetime workmanship warranty.

Over 25 Years’ Experience

We stand behind our craft with a lifetime warranty on every job we complete.

Impeccable Service

We stand behind our work with a lifetime workmanship guarantee.

Free no-obligation quotes

We stand behind every job we do with a lifetime workmanship guarantee.