Before a heating appointment, note whether rooms are heating evenly, how often the system cycles, whether filters have been changed, and any unusual sounds or odors. This context helps start a more useful conversation.
Homeowners should not attempt gas, combustion, electrical, or venting repairs themselves. If you smell gas, leave the area, avoid ignition sources, and contact the gas utility or emergency services from a safe location.
For routine maintenance, ask what will be reviewed, what condition concerns were observed, and what follow-up is recommended for the home and equipment you have.