How can I reduce my energy costs?Lennox carries a host of HVAC products with high efficiency ratings, which can help reduce 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 certain that your system gets regular maintenance by a trained professional can keep your system operating at its peak performance. Zoning – zoning systems allow you to only heat or cool only certain areas of your home, so you won’t have to pay to heat or cool spaces that you don’t typically utilize. Programmable thermostats – using a programmable thermostat allows you to set the temperature in your home according to 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 away, helping you save on heating and cooling costs.