Your fall furnace checklist

Five things to do before the first cold night.

1. Change the furnace filter — a clogged filter is one of the most common causes of poor heat.

2. Test your carbon monoxide and smoke alarms.

3. Clear the area around the furnace and keep outdoor vents free of leaves and, later, snow.

4. Turn the heat on before you need it to make sure everything works.

5. Book a professional tune-up so combustion, safety controls and the heat exchanger are checked.

Heating

Oct 2026

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