Back-to-school routines can also be energy-saving routines, as simple habits like adjusting the thermostat, turning off lights and devices, and sealing air leaks help families cut waste and lower household costs.

As the old year comes to a close, consider your home's energy "fitness" with these simple DIY projects that can help you enjoy a more efficient and comfortable new year.

Here are some simple maintenance tips that will help your family stay safe and comfortable as the season changes.