All you need to know about Solar Hot Water Installers & Systems
Switching to solar hot water can save you a lot of money. A Solar Hot Water System has the potential to reduce water heating costs by up to 80%. Imagine the electricity savings you could achieve with this fairly inexpensive switch to solar. To get a good deal it is important to make sound choices on the system and installer. Selecting the right system for you will depend on your household needs, where you want the tank to be and your roof aspects. Information on the different types of system is given below. Your installer should guide you on this. Selecting the right installer is important. Here is a guide and some tips!
How to select a Solar Hot Water Installation company:
- Ask how much experience they have with solar installations and whether they have plumbing qualifications.
- Check how long they guarantee their labour for. It should be a minimum of five years. With Solarpro it is seven.
- Does the installer do a service call after five years?
- A good way to assess the quality of the installer is to ask for information on the fixtures and fittings they use. This will let you know if the Company cuts corners. As a guide, our answer to the question would be:
“We only use copper piping (no cheap plastic) and 13mm wall pipe lagging to reduce heat loss All pipe work is installed in discreet pipe ducts or in the wall’s cavity, and all exposed pipe work on the roof is fitted in a special UV proof solar pipe lagging. ”
- Another good guide on the standard of the installer is if they have been re-selected for work, for example, by local government.
Three System Choices:-
Close Coupled Systems
These systems are the ones you see with the tank on the roof. The advantage of the close coupled system is that it does not need a pump to circulate water to the roof. The water heats by convection circulating throughout the system using the heat rises theory. This makes it super-efficient.
Evacuated tube systems are where you see the long tubes that look a bit like pipes without a tank on the roof. They are a well established method of generating hot water from the sun. Modern solar technology has provided alternatives that in some circustances offer superior performance. However, evacuated tubes remain popular and there are some excellent high quality, very good value products available.
Split System or Flat Plate
A Split System or Flat Plate system is a modern alternative to evacuated tubes. A solar control unit ensures water circulates between the solar collectors on the roof and the storage tank against a wall or in your home. Water heated by the sun is transferred from the collectors to the tank. If there is insufficient heat available from the sun, then an electric element or gas booster mounted on the side of the tank or on a wall boosts the temperature of the water. This ensures you never run out of hot water.
Some advantages of Split Systems:-
- You can have the storage tank immediately and the solar collectors installed later
- Solar collectors achieve maximum efficiency using aluminium fin solar absorbers
- Only the solar collectors are visible on your roof
- The tank is carbon steel lined with vitreous enamel or stainless steel
- A sacrificial anode is provided in the tank for added protection
- No need for roof reinforcement because the tank is at ground level.
- High efficiency flat plate collectors with frost protection down to -6°C
- High performance resulting in high Small Scale Certificates awarded (STCs can be traded for money)
For further information call (02) 9453 1485 or click here to fill in the Contact Us form.