Metal Roof Energy Savings Calculator

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Metal roof energy savings calculator.

Estimates cooling and heating savings for flat roofs with non black surfaces. There are basically four systems currently available on the market specifically designed to heat a roof edge. 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. How to cut metal roofing never use a circular saw or other device that will fling hot metal chips all around the area you cut.

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. Hotedge energy savings calculator relative operating costs for roof edge ice melt systems. 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. 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.

Companies or individuals seeking to use the roof savings calculator for commercial purposes should contact ornl s technology transfer office regarding licensing opportunities. One way to estimate how much energy you would save by installing a cool roof is by using the cool roof calculator. The secret to metal roofing s energy savings is in its variety of finishes. Cool roofs can save money several ways including energy savings rebates and incentives hvac equipment downsizing and extended roof lifetime.

The basic unpainted metal roof will reflect more solar radiation than an asphalt roof which absorbs and holds heat. Use our roof pitch calculator to find the pitch of your roof. Developed by the u s. Particularly standing seam panels are most recommended if you plan to go solar.

Next find the square footage of the metal roofing panels you want to use. 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. We recommend about 2. 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.

Multiply the footprint square footage by the multiplier for your roof pitch to find the actual square footage of the roof. Please remember the energy savings that can be achieved with reflective roofing.