Here's an easy, doable preventative maintenance checklist to keep your HVAC in top shape.

It's a good idea to hire a HVAC company to inspect and do maintenance on your system every fall and spring. They'll do things like inspect and clean the wiring and mechanisms of the unit, which is bit more challenging for the average homeowner.

 But you can prolong the life and increase the efficiency of your system if you follow this simple maintenance plan.