Solar Hot Water Systems
330L Roof Mounted Systems from
315L Split Systems from
315L Evacuated Split Tube Systems from
340L Flat Panel Split Systems from
190L Rapid System from
While many people who have invested in solar power use it to generate electricity for the entire home, many property owners take advantage of solar energy to heat their hot water. And in most Australian locations, using the sun's energy to heat hot water is an excellent way to reduce energy costs significantly and have plenty of hot water. Hybrid hot water systems are also a great way to help the environment.
There are two types of Hybrid hot water systems that use the Sun's renewable heat source to give you piping hot water - they are:
- Heat Pump Technology
- Solar Hot Water.
Solar Hot Water systems come in flat panel and evacuated tube form, they are also available as:
- Roof mounted tank systems
- Split system, where your tank is stored on the ground
With a roof mounted system, the solar panels and tank are on the roof of the property. This solution is the least aesthetically pleasing so a roof mounted system is typically used when space for a water tank is a problem. This can also be an option when solar panels are already in place. Roof mounted systems also use 'old school' solar hot water technology to transfer water from the panels to the tank.
As the sun heats the water, it rises into the tank. Cold water from the tank falls into the lowest points in the panels and is then heated by the sun. While the system can work effectively, it can become inefficient, ironically, in the summer and on hotter days. The tank can weigh up to 500 kilograms and due to the weight of the tank, an engineer may need to certify that the roof is strong enough to carry the weight of the tank.
While a roof mounted system is better than no system, many property owners prefer a split solar hot water system. The aesthetics are more appealing: there's no tank on the roof and the system is located at ground level with unobtrusive slim line solar panels on the roof. To get the water through the panels, a small pump is required; the pump uses very little electricity. Bimetallic strips keep track of the temperature and the pump switches on when there's a 6 degree difference between the panels and the tank. Once the water in the tank reaches the optimal temperature of 85-90 degrees, the pump shuts off. This means that a split system is more efficient than a roof system and is works in high temperatures.
For periods of colder or overcast weather, gas or electrical back up can help to maintain adequate levels of hot water for the property. Periodically, the state of Queensland provides rebates and incentives to install a solar hot water system. For many homes, heating hot water is a significant portion of an electricity bill. With a solar hot water system, the cost of heating hot water can decrease up to 90%.
To receive a free consultation about solar hot water system, call us at 1300 783 427 or contact us here.
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