Lennox thermostats are quite popular. Do you know what powers your Lennox thermostat? Getting to know the power source of your thermostat can help you get it working. Thermostats can either be powered by batteries or mains electricity. Others contain the battery as a power backup option. Not all Lennox thermostats have batteries. This is dependent on the model and whether batteries are required for it to function properly. Most of them are connected to the building’s main power supply, but some need batteries to operate probably. You can check the model’s product description to know its power source. Keep on reading to learn how to know Lennox thermostats that use batteries and how to change batteries when they become obsolete. You will also know where the batteries are located in these thermostats. Do All Lennox Thermostats Have Batteries? Batteries store chemical energy, which is converted to electricity whenever…