Matt Muenster and Allie are teaming up to give Ameren Illinois customers HVAC tips — like changing out your air filter every 30 days. Turning down your water heater is also a great way to reduce energy loss.

One-fifth of the air that’s lost in homes escapes through ducts and half of the energy spent in your house goes toward heating and cooling — so sealing leaky furnace air ducts is another way to save energy!