This stove is safe (with adequate ventilation) and easy to use. It is great for work, boating, camping, backyard BBQ's, and safe enough to use inside. This portable gas stove comes with easy to store fuel and a compact design, making this stove a necessary addition to your emergency equipment supplies. With adequate oxygen the byproducts of butane combustion are carbon dioxide (what you breath out) and water. Insufficient oxygen will produce some poisonous carbon monoxide as well.