Whether you’re looking to build a new home or just to replace a space or water heating system, take a moment to check out the Heating Energy and Cost Calculator. Developed by the Propane Research and Education Council, this app allows users to compare the costs of different types of energy side-by-side along with a look at carbon emissions of various heating fuels. 
To get started, enter essential information, such as location of the home, system type, and efficiency rating. The app figures out the estimated amount the homeowner will pay each year. For each calculation, the app provides the same estimate for a comparable Energy Star–rated system, which can serve as a baseline for comparison against the user-entered system. The calculator estimates the annual energy cost and carbon emissions you can expect from a space or water heating system using propane, fuel oil, or electricity.
The app is available both online at BuildWithPropane.com and as a free mobile app for iOS and Android systems.
Visit the Cenex propane page to learn more about residential propane applications.
Photo by Flickr user woodhead.