5 things to check before turning on your furnace
by Henery Green
1. 3. CHANGE THE FILTER
2. 4. INSPECT VENT OUTSIDE
3. 5. HIRE A PROFESSIONAL HEATING COMPANY NJ TO CLEAN AND INSPECT YOUR FURNACE
4. 1. ENSURE YOUR THERMOSTAT WORKS AND REPLACE ITS BATTERIES
5. 2. CLEAN YOUR DUCTS