A furnace is the type of heating system that most homeowners are more familiar with. This home appliance uses fuel -- often natural gas, which consists primarily of the fossil fuel methane -- to ...

Reduce winter energy costs by maintaining your heating system, sealing your home, adjusting thermostat settings, and following energy-saving tips from Oklahoma Natural Gas.

Xcel gas bills jump 25% due to rising wholesale costs, with hikes expected through 2025. Tips and assistance are available for affected customers.