It has long been known that cooking with propane gas is far more cost-efficient and provides better heat control than electric stoves or ovens. Cooktops and ovens heated with propane also turn off quicker, which is both a safety and overcooking benefit. Propane has a higher BTU rating than natural gas, propane tends to heat faster and use less fuel when compared to the same mission performed with natural gas. However, most observable cooking differences between propane and natural gas depend on the equipment you are using. Is cooking with propane healthy? Propane grills are a much healthier and environmentally friendly way to cook your food than charcoal-fired grills. Here’s why. Besides producing much fewer emissions, propane grills greatly reduce your exposure to carcinogens that end up in your food when grilling.