The Mr. Heater Vent Free Flame Natural Gas Heater provides powerful, reliable heat with 20,000 BTU output. Designed for use with natural gas, this heater is ideal for heating up to 500 square feet in any home or indoor setting. Its blue flame burner produces even convection heat, ensuring comfort without hot or cold spots. The unit also features a quiet integrated blower that gently circulates warm air throughout the room. With an automatic thermostat, users can enjoy precise temperature control, and the advanced low oxygen shut-off system enhances safety during use.
  Perfect for use in garages, workshops, and other enclosed spaces, this heater brings instant warmth without the need for venting. Whether you're looking to keep your living space cozy on cold days or maintain a comfortable environment in your home office, this unit delivers consistent heat with minimal noise. The ODS system ensures the heater stops running if it detects low oxygen levels, providing a safe and worry-free heating experience. Its compact design and modern blue flame make it an appealing choice for anyone seeking effective and safe space heating.