Let’s face it, we can’t live in the open in most environments without perishing fairly quickly. We build shelter so we can modify our environment to a more comfortable zone. Shelter may be temporary or permanent as long as we can survive. Heating, cooling and modifying the humidity are the main environmental adjustments we need to stay healthy. Having a source of power to run the machines which modify our environment is also essential. We can’t always rely on the grid to keep us running. Have an alternate source of power to keep your shelter a safe environment for your family.