Don't hoard appliances-

“Get rid of spare refrigerators or freezers. An extra appliance can add more than $100 to your energy bills every year, and it's a safety hazard for small children.’

https://www.powerhousetv.com/EnergyEfficientLiving/EnergySavingTips/101WaysToSaveEnergy?utm_source=WS&utm_campaign=Energy-EfficientLiving/Energy-savingsTips/027471