Metal Roof Energy Savings Calculator

Estimates cooling and heating savings for flat roofs with non black surfaces.

Metal roof energy savings calculator.

Next find the square footage of the metal roofing panels you want to use. First and foremost a metal roof lands itself ideally to solar panel applications. 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. Developed by the u s.

The roof savings calculator web service is no longer available. One way to estimate how much energy you would save by installing a cool roof is by using the cool roof calculator. 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. The secret to metal roofing s energy savings is in its variety of finishes.

The basic unpainted metal roof will reflect more solar radiation than an asphalt roof which absorbs and holds heat. Cool roofs can save money several ways including energy savings rebates and incentives hvac equipment downsizing and extended roof lifetime. Companies or individuals seeking to use the roof savings calculator for commercial purposes should contact ornl s technology transfer office regarding licensing opportunities. Measure the length and width in feet then multiply together to find the square footage.

Multiply the footprint square footage by the multiplier for your roof pitch to find the actual square footage of the roof. 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. There are basically four systems currently available on the market specifically designed to heat a roof edge. 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. Use our roof pitch calculator to find the pitch of your roof. 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. 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.

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