Lennox Water Heaters: Energy Cost by Model
A typical Lennox water heater costs
about $16 a month
$189 a year, at the US average of 18.0¢ per kWh
The sticker on the box says $147. It is worked out at one national rate, so it moves once you choose your state.
Averaged across 4 water heaters on sale in the US. An estimate at your state's average rate — not a guarantee of your bill.
4 models, averaging 1,050 kWh a year. That is 7% less than the water heaters average of 1123 kWh.