Variable-speed oil furnace
Dave Lennox Signature® Collection SLO185V Oil Furnace
*This chart depicts potential energy savings you can expect from the SLO185V furnace, versus older furnaces with lower efficiency ratings. Criteria used in this example are 2,000 full-load heating hours, with a 85,000 Btuh heating design load and $1.90 per gallon for oil. Your actual savings may vary, depending on the weather patterns in your local area, local fuel rates and your individual lifestyle.