[header] How to buy an oven [title] Determine your existing fuel type. [step] Your oven choice will largely be determined by the type of fuel line that you have in your house (unless you want to change your connection type). Gas ovens will have a gas line connected to your existing stove. 
An electric oven will be connected to an electrical plug point. [substeps] Gas-powered ovens use either natural gas or propane depending on your town.