Lower Your Holiday Energy Costs
Use LED holiday lights
They have been around for years. It is the right thing to do for your wallet and for the environment. Also, make sure to turn your lights off before bed. They make simple, inexpensive timers that can save you 50% on your holiday lighting bills.
Maintain your HVAC system
Schedule service for your heating system. No excuses, just do it. Have your filter replaced once a month or as needed. Educate yourself about maintaining furnaces, boilers, and heat pumps. Some common knowledge might prevent you from killing your system.