The Most Efficient and Quietest Oil Furnaces Available: Dave Lennox Signature® Collection We understand you need an energy efficient furnace, which is why our Dave Lennox Signature Collection oil furnaces were made with variable speed motors. These motors alter their speed based on the amount of heat needed to help you conserve energy and minimize operating sounds. Now that we’re talking about operating sounds, SilentComfort™ technology is another key feature in these products, keeping your home warm, cozy and quiet – unlike some standard heating systems. Learn about the Dave Lennox Signature Collection oil furnaces we sell at All Elements Heating & Air LLC in Marshall below. To a system that will work best for your family, call us at 903-204-7354 or make an appointment online. SLO185V Oil FurnaceIt’s nice to be in the warmth of your home when the weather outside is not exactly cozy. The SLO185V is made with a Beckett burner, which provides extremely efficient fuel economy. The burner and variable speed motor combine to help the SLO185V oil furnace produce an 85% AFUE rating*. In addition, it has even met EPA guidelines to receive ENERGY STAR® qualification. If you’re in need of a high quality and efficient furnace that will provide reliable heat for years, the SLO185V is the furnace for you. Efficiency Rating (SEER): 85Price Guide: $$$ Product Brochure Contact Us to Learn More Are you looking for someone to assist with your oil furnace maintenance and repair needs? All Elements Heating & Air LLC in Marshall has you covered. Just give us a call at 903-204-7354 or use our online scheduler to book an appointment. * Annual Fuel Utilization Efficiency (AFUE) measures how efficient the appliance is in converting its fuel’s energy into heat over the course of a year.