Green Roof Energy Calculator

The green roof energy calculator is an online tool that allows users to compare the annual energy performance of a building with a vegetative green roof to the same building with either a dark roof or a white roof.

Green roof energy calculator.

This handy calculator gives you a quick look at what kinds of energy savings you might expect by switching to a green roof from a conventional dark or white roof. This calculator interpolates the simulation results to determine a predicted energy and cost savings based on the user input values for building type location green roof lai soil depth and area 5the user is also asked to enter the description of the portion of the roof that is not vegetated e g. Green roofs are ideal for urban buildings with flat or shallow pit roofs and can include anything from basic plant cover to a garden. The greensave calculator was developed to help professionals concerned with sustainability by green roofs for healthy cities and the athena institute with support and funding by tremco roofing and building maintenance.

Building type each building type is modeled after their real world counterpart directly from the architectural floor plan and materials used in construction. Green roof calculator green roofs have become popular over the years. 2 0 this calculator was developed through a collaboration led by dr. Log in to access the calculator.

The calculator works for both new construction ashrae 90 1 2004 and old construction pre ashrae 90 1 2004 office and residential buildings. David sailor while he was on the faculty of portland state university along with brad bass at the university of toronto and with input from steven peck at green roofs for healthy cities. Either a dark or white membrane. The green roof energy calculator will allow the user to graph and output building temperature fluctuations and total energy consumption according to.

Green roof energy calculator v. Green roofs also provide insulation lower the need for heating and cooling and can reduce the. The primary reasons for using this type of roof include managing storm water and enjoying a rooftop open space. At the present time simulations are available for new construction ashrae 90 1 2004 and old construction pre ashrae 90 1 2004 office and residential buildings driven by typical precipitation and weather data.

The greensave calculator is available exclusively to grhc individual and corporate members.