1. abigalerose

    What to use for heat??

    What's the cheapest, yet still safe, way to heat? Ill just need to heat a 12 x 20 house. Also, as a bonus, are there any cheap alternatives to cooling and how expensive are 12 volt refrigerators?
  2. lcertuche

    Solar heater/oven

    I saw this on Facebook tonight and thought what a great way to save energy and therefore money. I could see this being built out of scraps of glass or panels like this woman. It doesn't look too difficult as far as carpentry skills go. I recently watched a YouTube video JNULLO did on a power...