Jul 22, 2013 09:46 AM
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Choosing the right hot water system to suit your needs
When deciding to choose the right hot water system to suit your individual household’s needs you will need to determine your daily consumption of hot water
Based on the daily average of 200 litres and 19 tap turns you can use a number of different calculators to determine which size system hot water system matches your requirements
The types of hot water you can choose from are solar hot water, gas hot water, electric hot water and heat pump hot water.
The most energy efficient systems rated, 1 most energy efficient – 7 most expensive to run
1.Gas boosted solar hot water systems
2.Gas instant/continuous flow/ Tankless 5 star hot water systems
3.Gas storage tank 5 star hot water system
4.Electric boosted solar hot water system
5.Electric boosted heat pump hot water system
6.Electric off peak storage hot water system
7.Electric domestic tariff storage hot water system
Gas boosted solar hot water system are cheap to run however are the most expensive to purchase and therefor you need to weigh up the purchase cost /life expectancy= yearly outlay, Based on the average life span of a solar hot water system at around 10 years and purchase cost of$5000 you would have to have a saving of$500 per year to cover the outlay or purchase cost of your gas boosted solar hot water system , The average running cost on a gas boosted solar hot water system in Adelaide south Australia is$192 per year.
It is therefore a much cheaper option to consider a gas continuous flow hot water system which has an out lay of around$1500 installed and a life span of 15 years, which equates to an outlay of$100 per year and an average yearly running cost of$484(Adelaide South Australia).