This spooky season, we’re sharing a few energy-saving tricks so you can treat yourself to lower energy bills. Here are four simple ways to summon the spirit of energy efficiency.

This October, you should be treated by ghoulish figures visiting on Halloween — not tricked by unexpectedly high energy costs. Every fall, people enjoy the milder temperatures while preparing for the coming Midwestern winter. Make sure you’re treating yourself to energy savings by making the right upgrades.

The buzzing and zapping of spooky gizmos like Van de Graaf generators, giant electrodes and lightning rods bring life to Dr. Frankenstein’s castle laboratory — and his monster from the slab. And, through conjured or coincidental lightning strikes, catastrophic electrical malfunctions, or electro-chemical combinations, superheroes like Captain Marvel, Flash, Thor, Magneto, Storm and Black Lightning were born.