How much hot water will a solar water heater provide?
This, of course, is dependent upon the size of the system. However, studies have determined that a system designed to provide about 70% of your hot water needs is about optimum. Return to top of page. 12. How long will a solar heating system last? If all components of your system are new when installed, the system should last at least 20 – 30 years. You will undoubtedly need to replace or have repaired some of the system components along the way, such as a storage tank, a pump(s), a controller, and maybe a valve or two. But the collectors, if protected adequately from freezing and corrosion, should last for the entire 20 – 30 year period. Return to top of page. 13. How often do I have to do routine maintenance on a solar heating system and what needs to be done? Although very little maintenance is required of a solar heating system, a homeowner should be aware of its operation and be familiar with its characteristic sounds. First, you should periodically check and make sure the system
