Metal Roof Energy Savings Calculator

Companies or individuals seeking to use the roof savings calculator for commercial purposes should contact ornl s technology transfer office regarding licensing opportunities.

Metal roof energy savings calculator.

Cool roofs can save money several ways including energy savings rebates and incentives hvac equipment downsizing and extended roof lifetime. Although there are inherent benefits in the use of reflective roofing before selecting a roofing product based on expected energy savings consumers should explore the expected calculated results that can be found on the department of energy s cool roof calculator. Next find the square footage of the metal roofing panels you want to use. The secret to metal roofing s energy savings is in its variety of finishes.

Multiply the footprint square footage by the multiplier for your roof pitch to find the actual square footage of the roof. Particularly standing seam panels are most recommended if you plan to go solar. One way to estimate how much energy you would save by installing a cool roof is by using the cool roof calculator. Department of energy s oak ridge national laboratory version 1 2 this version of the calculator is for small and medium sized facilities that purchase electricity without a demand charge based on peak monthly load.

Developed by the u s. The metal roof length calculator calculates the distance from peak to trim so add the length you want the roof metal to extend beyond the eave trim. We recommend about 2. Measure the length and width in feet then multiply together to find the square footage.

Use our roof pitch calculator to find the pitch of your roof. To calculate approximate energy savings offered by a cool metal roof architects are instructed to input the building s location proposed roof r value roof reflectance and emittance base energy costs equipment efficiencies electrical demand charges and duration. There are basically four systems currently available on the market specifically designed to heat a roof edge. 1 hotedge rail 2 extruded metal designs and 3 mesh mats and 4 zig zag heat tape it is a common practice to attempt and heat the roof edge with a zig zag pattern using heat tape.

First and foremost a metal roof lands itself ideally to solar panel applications. For homes in warmer climates pre painted or granular coated metal roofing systems reflect solar energy and cool your home by re emitting most of what. The roof savings calculator web service is no longer available. Hotedge energy savings calculator relative operating costs for roof edge ice melt systems.

Please remember the energy savings that can be achieved with reflective roofing. Environmental benefits of a metal roof in additional to tangible savings on the costs of energy maintenance and repairs a metal roof offers important benefits for the environment.