****Since all the comments seem to be either 100% positive or 100% negative about this solar technology i want to clear up some some misconceptions. First of all I’d imagine that takes years to set up the the precision equipment for 2 of the largest solar panel manufacturing plants in the world and be able [...]

BTF Solar is a supplier of high performance, affordable evacuated tube solar collectors.
The typical American household uses 10,000 to 15,000 BTUs of hot water per person per day. A 20 vacuum tube solar collector can produce 30,000 BTUs on a summer day with a footprint on a roof of only 36 square feet. The [...]