How can I reduce my energy costs?Lennox carries a variety of HVAC products with high efficiency ratings, which can help cut back the amount of energy they require to work40]. Aside from choosing products that have received Energy Star® certification or achieved high SEER ratings for air conditioners or AFUE ratings for furnaces, you can consider the following: Maintenance – making sure your system gets regular maintenance by a trained expert can keep your system operating at its top performance. Zoning – zoning systems enable you to only heat or cool only specific 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 offer you the comfort you desire when you’re home, and increase or decrease the temperature while you’re not around, helping you save on heating and cooling costs.