Chris and Dagny Collier's kids, Jackson, Erin and Oliver, sit in front of the family's natural gas vent-free fireplace, which allows the family to enjoy fireplace warmth in a location where there isn't a chimney. "Does it put out heat!" reports Dagny. The family also has a gas insert in the downstairs fireplace, a natural gas furnace, a gas water heater, and a gas cooktop stove. "We love our natural gas products!"