Let your home breathe: While insulation requires very little maintenance, be sure to check for moisture intrusion periodically. It's important to consult a contractor and install air barriers and vents to allow your home to breath.
Out with the old, in with the new
Your refrigerator uses the most energy of any appliance in your home if you consider that it runs 24 hours, seven days a week. According to ACEEE, there are 126 million refrigerators and 38 million freezers using 200 billion kWh a year.