One cord of maple firewood is equivalent to about 175 gallons of fuel oil, BTU wise. 24,000,000 BTUs per cord vs 138,500 BTUs per fuel oil gallon. So cutting your own firewood
What is a Cord of Wood? » Full Service Chimney™
What is a Cord of Wood? » Full Service Chimney™
How Much Firewood Is a Cord, and Which Cord Is Best for Me?
How much equals a cord of firewood? - Maryland Chimney Flue Sweep Clean Repair Inspect Build - Fire-Safe Chimney Sweeps
What is a Cord of Wood? » Full Service Chimney™
How Much Firewood Is in a Cord? And More Important Questions