What are the maintenance issues and repair costs for an Evacuated tube solar thermal system?
Since the collector’s manifold and piping to it is in essence just a copper pipe loop to and from your geyser the same maintenance will apply as to your normal household copper pipe plumbing. The Evacuated-tubes should periodically be wiped for optimal performance. The tubes are very durable and can handle hailstones as large as 25mm. If a tube should get damaged for some or other reason it can easily be replaced by even a person with minimal skills and the tubes are very cheap. The water does not need to be disconnected since it only flows through the manifold section. John Ruskin wrote the following lines: It’s unwise to pay too much, but it’s unwise to pay too little. When you pay too much, you loose a little money that’s all. When you pay too little, you sometimes lose everything, because the thing you bought was incapable of doing the thing you bought it to do. The common law of business balance prohibits paying a little and getting a lot… it can’t be done. If you deal with someth