5 Appliances That Are Energy-Hungry

5. Heating System

A home heating system is one of hungriest home appliances. It’s also arguably the most necessary one. The kWh range for heating devices is extremely broad, running from a measly 100 kWh per month to a shocking 3,500 kWh/month (if you live in a cold region, you’ve probably been shocked by your heating bill more than once).