Some of the Best Gas Furnaces You Can Buy in Baltimore

Our Dave Lennox Signature® Collection gas furnaces are some of the best of the best. Certain models are also some of the quietest systems available and offer efficient heating for your North-Central Maryland area home.

These Dave Lennox Signature Collection gas furnaces include variable speed motors, which enable more comfort than traditional single speed furnaces. In a variable speed furnace, blower fans start up slowly and only operate at full speed when extreme heat is demanded. These furnaces could save your family hundreds on utility expenses.

Find out more about our Dave Lennox Signature Collection furnaces below. When you’re ready to take the next step in your gas furnace replacement process, give Quality Refrigeration Services in Baltimore a call at 410-690-4244 or make an appointment online.

SLP98V Variable-Capacity Gas Furnace

If you’re looking for outstanding energy efficiency, the SLP98V is the gas furnace for you. With a 98.7% annual fuel utilization efficiency (AFUE) rating*, you’ll see significant energy savings. The SLP98V is also ENERGY STAR® qualified, meaning it has met or exceeds EPA standards for energy efficient operation. The SLP98V gas furnace is a great choice for homes in Baltimore for many reasons, including:

  • Efficiency rating of up to 98.7% AFUE*can save you money on your utility expenses
  • Variable-capacity operation works much like the cruise control system of high-performance automobiles, automatically making adjustments as necessary to allow maximum fuel efficiency
  • iComfort®-enabled technology—allows the furnace, when installed with the easy-to-use programmable iComfort Wi-Fi® thermostat, to provide even better performance and efficiency
  • PreciseComfort technology provides the best in temperature control
  • SilentComfort technology allows the system to perform quietly
  • SureLight® ignitor for an efficient performance
  • Insulated blower compartment to trap in heat and minimize losses
  • Limited Lifetime Warranty on heat exchanger
  • 10-Year Limited Warranty on covered components
SLP98V Variable-Capacity Gas Furnace
Efficiency Rating (SEER): up to 98.7
Price Guide: $$$Energy Star badge

SL280NV Variable Speed, Ultra-Low Emissions Gas Furnace

Lower your heating costs while having outstanding comfort all winter long with the SL280NV gas furnace. Its quiet, two-stage heating will keep temperatures regulated in your home, even on the chilliest days. With an efficiency rating of up to 80% AFUE,1 80 cents of every dollar you spend on gas is transformed into to usable heat. You can also feel good knowing the SL280NV is a green choice. As the first lowest emission furnace on the market,2 it creates 65 percent less nitrogen oxide than standard low-NOx furnaces. Less of this gas helps helps the air and plants stay healthy. This furnace also offers:

  • Efficiency rating of up to 80% AFUE1 likely helping you save on energy costs each year.
  • Ultra-low speed continuous fan can help regulate humidity and contribute to fresher air.
  • iComfort®-enabled technology—, when linked with an iComfort® S30 Ultra Smart Thermostat, adjusts to your family’s schedule to adjust heating for energy savings.
  • SilentComfort™ technology and sound-absorbing insulation keeps your furnace quiet.
  • Insulated blower component keeps in more heat.
  • 20-Year Limited Warranty on the heat exchanger.
  • 10-Year Limited Warranty on remaining covered components.3

1Annual Fuel Utilization Efficiency (AFUE) measures how efficiently an appliance converts fuel into heat over the course of a year.
22Lennox® SL97UH40NV36B, EL195UH100NE60C, SL280UH100NV60C and EL180UH040NE36A units are the first commercially available, natural Gas-Fired Fan-type Central Furnaces to meet an NOx emission limit of 14 nanograms per Joule (ng/J).
3Applies to residential applications only. See actual warranty certificate for details.

Note: Due to Lennox’s ongoing commitment to quality, specifications and ratings are subject to change without notice.

SL280V Variable Speed Gas Furnace
Efficiency Rating (SEER): up to 80
Price Guide: $$$Energy Star badge

SL297NV Variable-Speed, Ultra-Low Emissions Gas Furnace

Enjoy cozy, consistent heating with the SL297NV gas furnace. In addition to the likelihood for utility savings, this furnace can also help preserve the environment. The SL297NV is the first lowest emission furnace on the market,1 creating 65 percent less nitrogen oxide than standard low-NOx furnaces. Lower emissions mean purer air and heartier plants. This furnace has achieved ENERGY STAR® status for its energy savings and also includes:

  • Efficiency rating of up to 97.5% AFUE2—potentially saving you hundreds of dollars each year on heating expenses.
  • Intuitive fan mode that manages humidity levels and regularly cleans air.
  • iComfort®-enabled technology, when paired with an iComfort® S30 Ultra Smart Thermostat, adapts to your family’s routine to set heating for energy savings.
  • SilentComfort™ technology and sound-absorbing insulation offer quiet operation.
  • Dual-fuel capable—Can be combined with an electric Lennox® heat pump for top efficiency.
  • SureLight® ignition ensures efficient heating.
  • Insulated blower component minimizes heat loss.
  • Stainless-steel secondary heat exchanger catches additional heat, allowing the furnace to attain higher efficiency levels.
  • Lifetime Limited Warranty on the heat exchanger.
  • 10-Year Limited Warranty with product registration.
  • 5-Year Limited Warranty on remaining covered components.3

1Lennox® SL97UH40NV36B, EL195UH100NE60C, SL280UH100NV60C and EL180UH040NE36A units are the first commercially available, natural Gas-Fired Fan-type Central Furnaces to meet an NOx emission limit of 14 nanograms per Joule (ng/J).
2Annual Fuel Utilization Efficiency (AFUE) measures how efficiently an appliance converts fuel into heat over the course of a year.
3Covered components may be eligible to receive a 10-year warranty. Online equipment registration at www.lennoxregistration.com is required within 60 days of installation (except in California and Quebec) or the Lennox® base warranty will apply. Applies to residential applications only. See actual warranty certificate for details.

Note: Due to Lennox’s ongoing commitment to quality, specifications and ratings are subject to change without notice.

SL297NV Variable-Speed, Ultra-Low Emissions Gas Furnace
Efficiency Rating (SEER): up to 97.5
Price Guide: $$$Energy Star badge

SL280NV Variable-Speed, Ultra-Low Emissions Gas Furnace

Lower your heating costs while having outstanding comfort all winter long with the SL280NV gas furnace. Its quiet, two-stage heating will keep temperatures regulated in your home, even on the chilliest days. With an efficiency rating of up to 80% AFUE,1 80 cents of every dollar you spend on gas is transformed into to usable heat. You can also feel good knowing the SL280NV is a green choice. As the first lowest emission furnace on the market,2 it creates 65 percent less nitrogen oxide than standard low-NOx furnaces. Less of this gas helps helps the air and plants stay healthy. This furnace also offers:

  • Efficiency rating of up to 80% AFUE1—likely helping you save on energy costs each year.
  • Ultra-low speed continuous fan can help regulate humidity and contribute to fresher air.
  • iComfort®-enabled technology, when linked with an iComfort® S30 Ultra Smart Thermostat, adjusts to your family’s schedule to adjust heating for energy savings.
  • SilentComfort™ technology and sound-absorbing insulation keeps your furnace quiet.
  • Dual-fuel capable—Pair with an electric Lennox® heat pump for maximum efficiency.
  • SureLight® ignition provides efficient performance.
  • Insulated blower component keeps in more heat.
  • 20-Year Limited Warranty on the heat exchanger.
  • 10-Year Limited Warranty on remaining covered components.3

1Lennox® SL97UH40NV36B, EL195UH100NE60C, SL280UH100NV60C and EL180UH040NE36A units are the first commercially available, natural Gas-Fired Fan-type Central Furnaces to meet an NOx emission limit of 14 nanograms per Joule (ng/J).
2Annual Fuel Utilization Efficiency (AFUE) measures how efficiently an appliance converts fuel into heat over the course of a year.
3Covered components may be eligible to receive a 10-year warranty. Online equipment registration at www.lennoxregistration.com is required within 60 days of installation (except in California and Quebec) or the Lennox® base warranty will apply. Applies to residential applications only. See actual warranty certificate for details.

Note: Due to Lennox’s ongoing commitment to quality, specifications and ratings are subject to change without notice.

SL280NV Variable-Speed, Ultra-Low Emissions Gas Furnace
Price Guide: $$$
Efficiency Rating (SEER): up to 80
Energy Star badge

Need help with a gas furnace repair or want to set up a gas furnace maintenance visit? We can take care of it. Our staff in Baltimore is trained, experienced and ready to help. Set up an appointment or call 410-690-4244 now.


* 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.