Describe what you are seeing, or pick your equipment and the symptom. You get a plain-English read on what is likely wrong, what you can safely check, the local rules where your building is, and when to call for an inspection.
This tool offers general guidance only and is not a substitute for a licensed inspection or emergency services. For any gas odor, carbon monoxide alarm, fire, or trapped occupant, call 911 first. Insparisk is not responsible for actions taken based on this general information.