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For questions regarding a central heating system for the home. The system consists of a furnace or boiler and a method to distribute the heat throughout the home.

4 votes
1 answer
3k views

Is it OK to use old (30+ years) heating oil in my central heating furnace?

I found old steel jerrycans holding ~50 gallons (~200 liters) of heating oil. They were stored in a place where temperature can go below -5°C. Is it safe to use it for heating? If so, should I mix o …