How can I reduce my energy costs?Lennox carries a number of HVAC products with high efficiency ratings, which can help reduce the amount of energy they require to operate40]. Aside from picking products that have received Energy Star® certification or achieved high SEER ratings for air conditioners or AFUE ratings for furnaces, you can think about the following: Maintenance – making certain that your system receives regular maintenance by a trained technician can keep your system operating at its best performance. Zoning – zoning systems enable you to only heat or cool only targeted areas of your home, so you won’t have to pay to heat or cool spaces that you don’t usually use. Programmable thermostats – using a programmable thermostat allows you to set the temperature in your home based on your schedule. They can be programed to provide the comfort you desire when you’re home, and increase or decrease the temperature while you’re away, helping you save on heating and cooling costs.