A full freezer will keep food frozen for 24 to 36 hours if the door remains closed. They give off carbon monoxide. Because you can't smell or see it, carbon monoxide can cause health problems and even kill you before you know it's there. Never leave lit candles unattended. If the unit must be vented to the same chimney flue as the furnace, switch the furnace off before disconnecting the furnace flue.
Serious accidents can result when a home generator is connected to an existing electrical circuit.
Direct installation of a generator to an existing electrical system should only be done by a qualified technician and approved by your electric supply authority. If extension cords must be used, ensure they are properly rated, CSA approved cords. Always assume the lines are live. Click here for more information on precautions, safety tips and suggestions concerning power outages.