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Safe checks before scheduling service
- Compare the home's existing ductwork and electrical/gas setup.
- Ask how low-temperature operation and backup heat would be handled.
- Compare whole-system replacement needs, not just one equipment price.
- Consider comfort preferences and whether one system will provide both heating and cooling.
- Have equipment sized to the home rather than choosing by the old nameplate alone.
If you encounter exposed wiring, smoke, a gas odor, a carbon-monoxide alarm, or another immediate safety concern, stop troubleshooting and follow the appropriate emergency guidance.