As the old adage goes, 'an ounce of prevention is worth a pound of cure.'When it comes to safe indoor propane heater operation, regular maintenance is key to preventing potential hazards. Propane heater maintenance frequency depends on the manufacturer's recommendations, but it is generally recommended to have a professional inspection and cleaning at least once a year. This includes checking for leaks, ensuring proper ventilation, and cleaning the burners and pilot light. In addition to professional maintenance, it is important to regularly check the propane tank and hoses for damage or wear. By taking these precautions and staying on top of maintenance, you can ensure safe indoor propane heater operation and avoid potential dangers such as carbon monoxide poisoning, fire hazards, and oxygen depletion.