The Most Efficient and Quietest Oil Furnaces Available: Dave Lennox Signature® Collection You want an energy efficient furnace, which is why our Dave Lennox Signature Collection oil furnaces were built with variable speed motors. These motors alter their speed in relation to the amount of heat needed so you can save energy and decrease operating sounds. Now that we’re talking about operating sounds, SilentComfort™ technology is an additional 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 offer at WM J Kraus & Son in Keokuk below. To determine which system will work best for your family, call us at 319-229-2318 or set up an appointment online. SLO185V Oil FurnaceIt’s nice to be in the warmth of your home when the temperature outside is anything but cozy. The SLO185V uses a Beckett burner, which delivers extremely efficient fuel economy. In fact, the SLO185V oil furnace produces an 85% AFUE rating*. Additionally, it’s met EPA guidelines to receive ENERGY STAR® qualification. If you are searching for a high quality and efficient furnace that will produce reliable heat for years, the SLO185V is the way to go. Efficiency Rating (SEER): 85Price Guide: $$$ Product Brochure Contact Us to Learn More Are you searching for a profession to assist with your oil furnace maintenance and repair needs? WM J Kraus & Son in Keokuk has you covered. Just give us a call at 319-229-2318 or use our online scheduler to set up 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.