What is likely happening
Loss of heating or cooling can come from refrigerant, compressor, thermostat, airflow, or control faults. This is usually a repair call for your mechanical service provider.
What you can safely check
- Check thermostat settings and that filters are clean.
- Check breakers and disconnects are on.
What an inspector will look at
- Controls
- Refrigerant circuit
- Airflow
Does this affect compliance?
Repair issues are not usually compliance items, unless the equipment is a regulated boiler, cooling tower, or large refrigeration system.
When it becomes urgent
More urgent for vulnerable occupants in extreme heat or cold.
Not sure what applies?
Talk to an advisor about what is going on. If a code or local rule covers it, we will tell you, and if it is a repair, we will say that too. To see the local rules for your building, open this in the interactive Problem Solver.
Request an inspectionTalk to an advisorGeneral guidance only, not a substitute for a licensed inspection or emergency services. For any gas odor, carbon monoxide alarm, fire, or trapped occupant, call 911 first.