Some of the Best Gas Furnaces You Can Buy in Ronkonkoma

Top-of-the-line Dave Lennox Signature® Collection gas furnaces are some of the best you can find. They’re also some of the quietest operating systems you can buy and provide efficient heating for your Long Island area home.

These Dave Lennox Signature Collection gas furnaces boast variable speed motors, which allow more comfort than typical single speed furnaces. Variable speed furnaces’ blower fans start up slowly and only operate at their highest speed when there’s an extreme demand for heat. These furnaces may save your family a substantial amount on your energy bills.

Learn more about each Dave Lennox Signature Collection furnace below. When you’re ready to move forward with your gas furnace replacement, give Cool Power LLC in Ronkonkoma a call at 631-246-4029 or make an appointment online.

SLP98V Variable-Capacity Gas Furnace

If you want a highly energy efficient heating system, the SLP98V is the gas furnace for you. Boasting a 98.7% annual fuel utilization efficiency (AFUE) rating*, you could see high energy savings. This product is also ENERGY STAR® qualified, meaning it has met or exceeds EPA standards for energy efficient operation. The SLP98V gas furnace is ideal for homes in Ronkonkoma for its variety of additional features, such as:

  • Efficiency rating of up to 98.7% AFUE*can help reduce your utility expenses
  • Variable-capacity operation works much like the cruise control system of high-performance automobiles, automatically adjusting as needed to obtain maximum fuel efficiency
  • iComfort®-enabled technology—allows the furnace, when installed with the easy-to-use programmable iComfort Wi-Fi® thermostat, to produce more efficient heat and achieve better performance
  • PreciseComfort technology provides the best in temperature control
  • SilentComfort technology allows the system to operate quietly
  • SureLight® ignitor for an efficient performance
  • Insulated blower compartment to keep air in and minimize heat loss
  • 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 expenses while having remarkable comfort all winter long with the SL280NV gas furnace. Its quiet, two-stage heating will keep temperatures balanced in your home, even on the most frigid days. With an efficiency rating of up to 80% AFUE,1 80 cents of every dollar you spend on gas is converted into to usable heat. You can also feel good knowing the SL280NV is environmentally responsible. 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 means air and plants stay healthy. This furnace also offers:

  • Efficiency rating of up to 80% AFUE1 potentially helping you save on energy costs every year.
  • Ultra-low speed continuous fan can help control humidity and distribute cleaner air.
  • iComfort®-enabled technology—, when used with an iComfort® S30 Ultra Smart Thermostat, learns your family’s calendar to set heating for energy savings.
  • SilentComfort™ technology and sound-absorbing insulation keeps your furnace quiet.
  • Insulated blower component retains 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, reliable heating with the SL297NV gas furnace. In addition to the likelihood for heating savings, this furnace can also help protect the environment. The SL297NV is the first lowest emission furnace on the market,1 emitting 65 percent less nitrogen oxide than standard low-NOx furnaces. Lower emissions mean cleaner air and healthier plants. This furnace has achieved ENERGY STAR® designation for its energy savings and also includes:

  • Efficiency rating of up to 97.5% AFUE2—potentially saving you hundreds of dollars a year on utility bills.
  • Intuitive fan mode that regulates humidity levels and continuously refines air.
  • iComfort®-enabled technology, when installed with an iComfort® S30 Ultra Smart Thermostat, picks up on your family’s activities to set heating for energy savings.
  • SilentComfort™ technology and sound-absorbing insulation ensure quiet operation.
  • Dual-fuel capable—Can be installed with an electric Lennox® heat pump for peak efficiency.
  • SureLight® ignition delivers efficient operation.
  • Insulated blower component limits heat loss.
  • Stainless-steel secondary heat exchanger captures more heat, allowing the furnace to operate at 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 expenses while having remarkable comfort all winter long with the SL280NV gas furnace. Its quiet, two-stage heating will keep temperatures balanced in your home, even on the most frigid days. With an efficiency rating of up to 80% AFUE,1 80 cents of every dollar you spend on gas is converted into to usable heat. You can also feel good knowing the SL280NV is environmentally responsible. 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 means air and plants stay healthy. This furnace also offers:

  • Efficiency rating of up to 80% AFUE1—potentially helping you save on energy costs every year.
  • Ultra-low speed continuous fan can help control humidity and distribute cleaner air.
  • iComfort®-enabled technology, when used with an iComfort® S30 Ultra Smart Thermostat, learns your family’s calendar to set 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 top efficiency.
  • SureLight® ignition gives efficient operation.
  • Insulated blower component retains 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 schedule a gas furnace maintenance visit? We can handle it all. Our staff in Ronkonkoma is trained, experienced and ready to help. Make an appointment or call 631-246-4029 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.