Here are some calculators you can use for environmentally friendly building products, nature, temperature and the environment courtesy of the Free Library which released the ultimate list of Calculators:

Energy Efficient Roofing Calculators :

Roofing Calculator for Metal Roofing

Residential Roof – Cool roofing Calculator

Green Building Construction Calculators :

Reducing Carbon footprint for Construction Calculator

Solar Hot Water System Calculator

Temperature Conversions Calculators :

Temperature Conversions Project

Co2 Foot Print Calculators :

Carbon Calculator

Carbon Footprint Calculator Development Project – Tampile project.

Solar Energy Conversion Calculators :

Solar Calculator