In this guide
Collect what belongs to the system
Look for an appliance manual, model information and previous service records among the documents you already have. Note whether the fireplace was changed by a previous owner. Do not remove panels to find information. Note if the history is unknown.
Describe changes without testing them
Mention staining, falling material, a stuck control or an unexplained smell. Note what is new and what may have been present when you moved in. Leave the fireplace unused rather than attempting to reproduce smoke or an odor with a fire.
Ask for the next-use decision
Before the visit ends, ask what findings affect using the fireplace, what cleaning or repair is recommended and what still needs checking. Avoid treating an estimate for one component as confirmation about the whole system. Keep those distinctions clear when deciding what to authorize.
Keep the operating instructions close
Once condition concerns have been addressed, use the instructions for the actual fireplace or appliance. Door position, controls and permitted fuels should come from that source. Make sure the household knows the emergency response for a CO alarm: outside first, then 911, with no re-entry until responders permit it.