The Kill-a-watt meter helps you figure out how to curb the appetites of your hungriest power loads. It may surprise you how much power leaving your cell phone charger plugged in when you are not using it costs. Ok how much power does your computer use while switched off? How about your TV?

These are very easy to use devises for determining where your insolation is weakest, from outside in the winter point these devises at the wall, where ever the out side temperature of the house is warmer you have “thermo-leakage”. In the summer with the air conditioner on the out side area would be cooler and the inside would be the opposite

This item requires base station see below. Measures the wind speed in your area... you will likely want to install one of these in you area for a year and record the wind speeds to a computer before you install any type of wind generator. Once this tells you your peak gust speed, average wind speed and amount of wind you can buy a wind generator to match your generation capabilities.

This weather station makes it easy to track all of your weather information including wind, cloud cover, etc. You really should consider gathering this information if you plan on using environmental renewable energy (RE from your local environment)