Columbia Gas of Virginia offers businesses the opportunity to save through its energy efficiency and conservation program, WarmWise. We understand that your members can spend nearly a third of their costs on energy. We are here to help reduce their energy costs without sacrificing comfort or service. Those members who are Columbia Gas of Virginia customers, can receive cash back rebates of up to $400 or more for purchasing and installing qualifying water heaters, infrared heaters and boiler controls. Customers who make these upgrades can then also experience savings on their natural gas bills.