More on the results of vacuum pumps:

Thermoelectric generator powered by sun's heat - CNET

The researchers envision that this solid-state material could be packaged either as a stand-alone thermoelectric generator or added onto existing solar hot water systems to make electricity....<<more>>

Why Solar Thermal Makes Sense For Your California Business

Find out about how solar thermal water heating might help your business save money....<<more>>

Amazon: Vacuum Tube Solar Water Heater

for 58mm diameter vacuum tube of solar water heater. MISOL 100 pcs of white silicon sealing ring sealing loop for vacuum tube 47mm, for solar water heater. by MISOL. $74.68 $ 74 68. FREE Shipping on eligible orders. See Details. Promotion Available See Details....<<more>>

Ten Solar Vacuum Tubes – Heat Streamer Solar Water Heater

Excellent for solar water heating systems and DIY projects. Boil water using only sunlight! 1 tube can raise 1 liter of water from 60'F (15'C) to 212'F (100'C) in one hour of direct sunlight....<<more>>

vacuum tube solar water heaters, Solar Hot Water Heater

The characteristic of Non-Pressure Series vacuum tube solar water heaters Model: JNG. Using a thermosiphon vacuum tube solar water heater systems is an excellent way to start saving on your domestic hot water heating bills. The tank must be above the collector, so the thermosiphon phenomenon can occur, circulation water from collector to tank....<<more>>

Compact Solar Water Heaters with Vacuum Tubes

The payback of a typical compact solar water heater is 1-3 years and with solar water heating in Hawaii it can be as little as 3 months. Double the Power! Reflective Shield for Extra Power Each Vacuum tube receives solar radiation from front and back!...<<more>>

China Low Pressure Vacuum Tube Solar Water Heater - China

Jiangsu Dr. Xia Solar Energy Inc. Solar Water Heater, Solar Water Heating, Water Heater manufacturer / supplier in China, offering Low Pressure Vacuum Tube Solar Water Heater, Cheap Price High Efficiency Non-Pressurized Solar Water Heater, Compact Pressurized Heat Pipe Solar Water Heater and so on....<<more>>

Vacuum tube solar hot water heater - JinYi- Solar Water

The characteristic of Vacuum tube solar hot water heater Model: JNT. Using a thermosiphon solar water heater systems is an excellent way to start saving on your domestic hot water heating bills....