Advantages & disadvantages of evacuated tube solar hot water systems
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Are you looking for a new solar hot water system? Do you want to know the advantages and disadvantages of evacuated-tube solar hot water systems compared to other types of solar hot water systems?
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Evacuated tube solar hot water systems are one of the best options for hot water in the Canberra Queanbeyan region.
There are more advantages than disadvantages. Most of the disadvantages relate to installation and product quality.
The advantages of evacuated tube solar hot water systems in Canberra and Queanbeyan
- They are the most efficient of all solar hot water systems when installed correctly.
- They are available in both electric- and gas-boosted models and in various tank sizes.
- On some models, it is possible to increase the efficiency well beyond the factory settings.
- A north-facing roof is not necessary. However, the collectors tubes should and can be pitched so they face north.
- When operating as a solar hot water system, they draw 20 -30 Watts of power compared to electric hot water systems that draw 3600 Watts of power.
- If installed properly, they are less prone to freezing than similar flat-panel solar hot water systems.
- When evacuated tubes break, which is quite rare, the tubes are cheap to replace when compared to flat panels. See how to repair a broken evacuated tube
- They do not make a noise like heat pumps do when the solar hot water system is on.
- Most brands are very reliable and work efficiently in the Canberra climate, if installed properly.
- They qualify for a higher STC rebate (solar hot water rebates) than many other solar hot water systems because of their efficiency.
- Some evacuated-tube brands offer solar-ready electric hot water systems. This means you do not have to outlay for a complete solar hot water system when your old electric hot water system fails. If you complete the full installation within 6 months, you get the full STC solar hot water rebate. This could be more than $1000.00
The disadvantages of evacuated tube solar hot water systems in Canberra and Queanbeyan
- They are more expensive to supply and install than most other types of solar hot water.
- Evacuated-tube solar hot water systems require more maintenance than the less efficient glycol-filled tank-on-a-flat-roof panel systems.
- Many plumbers advertise that they can work on solar hot water systems. However, finding experienced installers who are plumbers and gas fitters, hold restricted electrical qualifications, and have adequate solar hot water experience in Canberra is difficult.
- Evacuated tubes overheat too easily when installed flat against roofs, when system circulation is too slow, or when the system is oversized.
- There are too many budget systems and fly-by-night installers that keep popping up. Whilst they do not last long in business, sourcing spare parts for these systems may become increasingly difficult.
With our experience and products, we can ensure you enjoy all the advantages and experience fewer disadvantages associated with evacuated tube solar hot water systems.
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Now you know the advantages and disadvantages of evacuated tube solar hot water systems over other types of solar hot water systems in Canberra and Queanbeyan
