The lifespan of a solar vacuum tube can vary depending on the quality of the tube and the conditions it is exposed to, but on average, they can last anywhere from 10 to 20 years.
The lifespan of a solar vacuum tube can vary depending on the quality of the materials used and the maintenance practices. However, on average, a well-maintained solar vacuum tube can last between 15 to 25 years.
The lifespan of a solar vacuum tube can vary depending on the quality of the materials used and the maintenance practices employed. However, on average, a well-maintained solar vacuum tube can last anywhere from 15 to 25 years.
