From the cozy warmth of a gas fireplace to cooking the perfect omelet over the flame of a gas stove, gas delivers the many small comforts that make life a little richer. Clean, energy-efficient natural gas. The comforts of home at a fraction of the cost of electricity. Check out the Frequently Asked Questions to get more information about appliances or services. You can contact our customer service center at 1-800-548-3679 or via email at customerservice@intgas.com. You can also request service online.