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

Dave Lennox Signature Collection oil furnaces have two outstanding qualities: quiet and efficient operation. These features stand out thanks to the models’ variable speed motors, which run at different speeds to better control air flow, limit sound levels and cut down energy costs. Have you heard? The sound – or lack thereof – on these oil furnaces is amazing. SilentComfort technology enables heat to be produced and distributed without the loud noises characteristic of standard systems.

You can discover more about each Dave Lennox Signature® Collection product below or call Twin Air LLC in Manassas to speak with our team about the best heating equipment for your home. Call us at 703-754-1062 or schedule an appointment online today.

SLO185V Oil Furnace

Energy efficiency is an important component of any appliance. The SLO185V oil furnace is ENERGY STAR® qualified for meeting or exceeding efficiency requirements determined by the EPA. That means that you could save a substantial amount of money each year on your utility bills, which is a great incentive if you’re already considering an oil furnace replacement. The features below also contribute to the SLO185V’s durability and ensure a long product life so your home will stay cozy for years.

  • Efficiency rating of 85% AFUE* can help reduce your monthly energy expenses
  • ENERGY STAR® qualified
  • SilentComfort technology delivers the ultimate in quiet, consistent heating
  • Variable speed motor quietly controls flow of air for added humidity control, indoor air quality and comfort
  • High-Efficiency Beckett Burner delivers super-efficient combustion for improved 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 multiple speeds to maximize comfort and minimize sound levels and energy costs. The SLO183V contains a number of features that will help it operate smoothly for years. For starters, the Beckett burner produces extremely efficient combustion so you get the most out of the fuel that goes in. In addition, this system includes a heavy-duty fuel pump that aids in quiet, reliable operation with fast shutoff options for the oil flow. A lot of features are packed into this product, making it one of the best heating systems around.

  • Efficiency rating of 83% AFUE* can help contribute to lower monthly utility expenses
  • Variable speed motor provides a quiet and consistent flow of air for an ideal balance of temperature and humidity in your home
  • SilentComfort technology delivers the ultimate in quiet, consistent heating
  • Beckett Burner delivers very 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 we do oil furnace repairs and maintenance in Manassas and the surrounding area? Call us at 703-754-1062 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.