Appliance Energy Use

How to Use a Kill A Watt Meter: The Renter's Guide to Finding Energy Hogs (2026)

Kill A Watt meter measuring appliance energy use

Kill A Watt meter: measure before you try to save

By WattDweller Editorial Team · Updated September 24, 2026

If you’ve read our Vampire Power in Rentals guide, you know that hidden devices can drain $250–$400 per year from your electricity bill. And if you’ve read our How to Read Your Apartment Electricity Bill guide, you understand the anatomy of your bill.