The Most Efficient and Quietest Oil Furnaces Available: Dave Lennox Signature® Collection

Dave Lennox Signature Collection oil furnaces are defined by their quiet and efficient operation. These features stand out thanks to the products’ variable speed motors, which work at different speeds to better control air flow, minimize sound levels and decrease energy costs. Additionally, the sound – or lack thereof – on these oil furnaces is outstanding. SilentComfort technology produces and distributes heat without the loud noises characteristic of standard systems.

You can read more about each Dave Lennox Signature® Collection system below or call Freed Heating & Air Conditioning in Moline to speak with a team member about the best heating equipment for your home. Call us at 309-762-3641 or set up an appointment online today.

SLO185V Oil Furnace

Energy efficiency is an important part of any appliance. The SLO185V oil furnace is ENERGY STAR® qualified for meeting or exceeding efficiency requirements set by the EPA. That means that you could save a considerable amount each year on your utility bills, which is a good incentive if you’re already in the market for an oil furnace replacement. The other features you’ll find below help the SLO185V’s durability and reliability, which helps keep your home comfortable even on the coldest days.

  • Efficiency rating of 85% AFUE* can help lead to lower utility costs
  • ENERGY STAR® qualified
  • SilentComfort technology delivers heat so quietly, you may not even hear it
  • Variable speed motor quietly helps improve air flow for added humidity control, indoor air quality and comfort
  • High-Efficiency Beckett Burner delivers super-efficient combustion for greater fuel economy
  • Lifetime Limited Warranty on heat exchanger
  • 10-Year Limited Warranty on covered components
SLO185V Oil Furnace
Efficiency Rating (SEER): 85
Price Guide: $$$Energy Star badge

SLO183V Oil Furnace

The SLO183V furnace works at different speeds to maximize comfort, while reducing sound levels and energy costs. The SLO183V contains a number of features that will help it run smoothly for a long time. For instance, the Beckett burner delivers extremely efficient combustion so you get the most out of the fuel that goes in. Additionally, this system includes a heavy-duty fuel pump that helps provide quiet, reliable operation with fast shutoff options for the oil flow. A number of features are packed into the SLO183V, making it one of the best systems around.

  • Efficiency rating of 83% AFUE* can save you money on your monthly utility expenses
  • Variable speed motor provides quiet, consistent air flow for an ideal balance of temperature and humidity in your home
  • SilentComfort technology delivers the ultimate in quiet, consistent heating
  • Beckett Burner delivers highly efficient combustion for greater fuel economy
  • Lifetime Limited Warranty on heat exchanger
  • 10-Year Limited Warranty on covered components
SLO183V Oil Furnace
Efficiency Rating (SEER): up to 83
Price Guide: $$$

Did you know our team also performs oil furnace repairs and maintenance in Moline and the surrounding area? Call us at 309-762-3641 to learn more or to set up a service visit.


* 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.