14,130 kWh for a 4000 sq ft 4 bed in Boston over the last 12 months for a 150 year old house. It looks like AC is a large portion of that. Thankfully, we use ga

14,130 kWh for a 4000 sq ft 4 bed in Boston over the last 12 months for a 150 year old house. It looks like AC is a large portion of that. Thankfully, we use gas for heat and cooking.