Energy Saving
save money by getting a complete picture of your power & water consumption.
Wind Turbine
wind turbine is an return on investment planner for renewable energies.
Water Supply
water supply - cost, effort, volume and energy - build a house well
Energy Costs Calculator
free power/water consumption calculator. with many tips to reduce monthly costs.
Coal
Calculates how long coal will last in the USA depending on consumption growth.
ESBUnitConv – Freeware Unit Conversion
User friendly Windows Utility to easily convert between 595 units of measurement