Energy Efficiency Calculators & Comparisons

• Energy Footprint Calculates a climate independant measure for house efficiency and Carbon footprint. Allows input of all fuel usage and local degree-days, to calculate the BTUs per degree day, and pounds of CO₂.
• Insulation Calculator Calculates the optimal economic amount of insulation for a particular application. Allows input of all relevant information and assumptions.
• Fuel Comparisons Calculates cost for various fuel options. Allows input of price, efficiency, and produces aneasily comparable cost per million BTUs.
• Insulation Comparisons Compare various aspects of different insulation types.
• Compare Lightbulbs Compare different lighting types with lumens and wattage.
• Chemical Equivalents Formulas, common names, chemical names, uses, sources, and MSDS.