Solar panels.
Commercially made solar collectors will go for $25 to$35
a sqf, and yes, you get approximately 65% efficacy.
Low cost homemade solar collectors can be built by anyone with
basic plumbing skills and will cost you as little as $5.00 a sqf.
with easily achievable 55% efficacy.
All the materials needed to build this collector are available
at your local building center, and maybe you have already the
materials laying in your garage/workshop.
If you have no skills at all, you still can build these solar
collectors with a little determination and our help, and in the
same time save money on your heating bill.
If cost has prevented you from getting involved with renewable
resources in the past, these collector designs will surely shed
new light on the subject.
Build your own solar collector.

Building Instructions coming soon, bookmark us for a later visit.