Incorporate natural gas and energy efficiency in your new home or business If you're planning to build, contact us to see if natural gas is available Natural gas is the fuel of choice for heating, water heating, and cooking in Montana. We have resources to help you and your builder take full advantage of Montana's Energy Code with natural gas construction techniques and testing to deliver savings every month and comfort year-round. Free Home Energy Audits are available for qualifying homes. Unlock Contact Us Efficiency Plus savings with energy efficiency. online NorthWesternEnergy.com/EPlus call (800) 823-5995 Kalispell Construction Center email CCKalispell@northwestern.com call 1-83-FOR-BUILD and when prompted, press 4 then 2 NorthWestern Efficiency Energy Plus Incorporate natural gas and energy efficiency in your new home or business If you're planning to build, contact us to see if natural gas is available Natural gas is the fuel of choice for heating, water heating, and cooking in Montana. We have resources to help you and your builder take full advantage of Montana's Energy Code with natural gas construction techniques and testing to deliver savings every month and comfort year-round. Free Home Energy Audits are available for qualifying homes. Unlock Contact Us Efficiency Plus savings with energy efficiency. online NorthWesternEnergy.com/EPlus call (800) 823-5995 Kalispell Construction Center email CCKalispell@northwestern.com call 1-83-FOR-BUILD and when prompted, press 4 then 2 NorthWestern Efficiency Energy Plus