Keep your solar panels clean. If your solar panels are dirty or obstructed in any way, they won't work as well. Keep an eye on your solar panels and clean them if they're not quite looking their best. Hosing them down occasionally will ensure that they are much more efficient.
Homemade “Steel Can” Solar Air Heater. made with STEEL CANS. produces consistent flow of hot (140F+) air. video provides full instructions on how to build it.
You can dip your toes in the solar energy waters by simply installing a solar powered whole house fan. A solar powered attic fan turns on automatically when it becomes too warm. You'll reduce the cost of cooling your home by having this solar-powered attic fan remove hot air from your home. Additionally, as it is solar powered, your power bill will go down, not up.