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

You desire an energy efficient furnace, which is why our Dave Lennox Signature Collection oil furnaces were constructed with variable speed motors. These motors alter their speed based on the amount of heat needed to help you save energy and minimize operating sounds. Speaking of operating sounds, SilentComfort™ technology is an additional key feature in these models, enabling your home to stay warm, cozy and quiet – unlike some typical heating systems.

Learn about the Dave Lennox Signature Collection oil furnaces we offer at McNatt Inc in Corpus Christi below. To a system that will work best for your needs, call us at 361-888-4808 or make an appointment online.

SLO185V Oil Furnace

It’s nice to be in the warmth of your home when the temperature outside is not exactly cozy. The SLO185V is made with a Beckett burner, which delivers extremely efficient fuel economy. In fact, the SLO185V oil furnace produces an 85% AFUE rating*. It’s even met EPA guidelines to earn ENERGY STAR® qualification. If you’re looking for a high quality and efficient furnace that will produce reliable heat for years, the SLO185V is the perfect choice.

SLO185V Oil Furnace
Efficiency Rating (SEER): 85
Price Guide: $$$Energy Star badge

SLO183V Oil Furnace

Quiet, reliable and environmentally responsible: these combined features are primary components of the SLO183V oil furnace. A heavy-duty fuel pump and Beckett burner help improve reliable operation and help ensure a long product life. Plus, the variable speed motor provides more control of indoor air quality components like humidity, so your air feels fresh year round. You can’t go wrong when you choose the SLO183V.

  • Efficiency rating of up to 83% AFUE* can help decrease your 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 super-efficient combustion for improved 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: $$$

Are you looking for someone to assist with your oil furnace maintenance and repair needs? McNatt Inc in Corpus Christi has you covered. Just give us a call at 361-888-4808 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.