Green and Sustainable Tools and Calculators
R-Value Calculator
R-Value calculator to work out the total R-Value of a set of materials, say in a wall or ceiling.R-Value Area Calculator
Calculator to help work out the total R-Value of a wall with a window or other fitting within it.Insulation Batts Coverage Calculator
Calculator for the number of insulation batt packs required for a ceiling or wall. Also works out how downlights effect the final insulation R-Value.R-value to U-value Calculator
R-value to U-value CalculatorSolar Power Calculator
Calculator for the power solar panels will generate each season based on latitude or the nearest town or city worldwide. Also works out off the grid savings of going solar powered..Passive Solar Design Eaves Calculator
Calculator to work out the ideal Eave depth for a given height of window and world location; so the Sun comes in in Winter but not Summer.Units Conversion Calculator
Interactive conversion Calculator for multiple units and measurements. Simple to use.Solar Wiring Size Calculator
Interactive Solar Panel Wiring Size Calculator. Makes sure your wiring is the right size for a given distance, power and voltage drop. Works in metric or imperial.Solar System Savings Calculator
Interactive calculator to help work out the savings from installing a solar power system and when it breaks even. Can factor in Feed in Tariffs, rising electrical bill costs and comparative investment returns.