Some of the Best Gas Furnaces You Can Buy in New Castle

If you’re in need of a gas furnace replacement in Lawrence County, our Dave Lennox Signature Collection gas furnaces are all great options. These models are a couple of the quietest gas furnaces available and are highly energy efficient.

Let’s start with energy efficiency. Our Dave Lennox Signature Collection gas furnaces feature variable speed motors, which limit energy use by only operating fans at full speed when a large change in heat is required. Variable speed motors use two-thirds less energy than single speed motors and can help you save hundreds on utility expenses each year compared to other furnaces.

More details for each Dave Lennox Signature Collection gas furnace model are explained below. If you’d like to talk with a Central Heating & Plumbing professional about one of our products in Lawrence County, call 724-401-1843 or schedule an appointment online.

SLP98V Variable-Capacity Gas Furnace

You’ll enjoy the high efficiency of this gas furnace. It’s certified by ENERGY STAR® for meeting EPA efficiency standards, and it has also earned an annual fuel utilization efficiency (AFUE) rating* of 98.2%. Add those together and you can get hundreds of dollars back in utility savings each year. Discover the SLP98V’s other outstanding features, including:

  • Efficiency rating of up to 98.2% AFUE*—helps reduce your utility expenses
  • ENERGY STAR® qualified—meets or exceeds EPA guidelines for energy efficiency
  • Variable-capacity operation operates much like the cruise control system of high-performance automobiles, adjusting on its own as necessary to allow maximum fuel efficiency
  • iComfort®-enabled technology—helps the furnace, when installed with the easy-to-use programmable iComfort Wi-Fi® thermostat, to generate even better performance and efficiency
  • PreciseComfort™ technology provides great temperature control
  • SilentComfort technology helps the system run quietly
  • SureLight® ignitor for an efficient performance
  • Insulated blower compartment to keep air in and decrease heat loss
  • 10-Year Limited Warranty on parts and controls
  • Limited Lifetime Warranty on heat exchanger
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

The SL280NV gas furnace can help decrease your heating expenses while keeping your home comfortable all winter. Even on frigid days, its quiet, two-stage heating will keep temperatures stable while using as little fuel as possible. You can also breathe easy knowing this furnace contributes to a better environment—inside and outside. As the first lowest emission furnace on the market,1 it produces 65 percent less nitrogen oxide than standard low-NOx furnaces. Less NOx means healthier air and plants. This furnace also features:

  • Efficiency rating of up to 80% AFUE2—which can potentially save you more money on energy bills.
  • Ultra-low speed continuous fan controls humidity and distributes healthier air.
  • iComfort®-enabled technology—when paired with an iComfort® S30 Ultra Smart Thermostat, adjusts to your family’s routine and sets heating for energy savings.
  • SilentComfort™ technology and sound-absorbing insulation delivers quiet operation.
  • Dual-fuel capable—Use with an electric Lennox® heat pump for top efficiency.
  • SureLight® ignition gives efficient performance.
  • 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.
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 energy efficiency that flawlessly adapts to your lifestyle with the SL297NV gas furnace. Not only can this furnace help you save on energy costs, it’s a green choice. As the first lowest emission furnace on the market,1 the SL297NV emits 65 percent less nitrogen oxide than standard low-NOx furnaces. You can rest easy knowing your heater is resulting in cleaner air and healthier plants. Recognized with ENERGY STAR® designation, this furnace has the capacity to save you hundreds of dollars a year on energy expenses. It also features:

  • Efficiency rating of up to 97.5% AFUE2—likely keeping more money in your pocket due to lower energy use.
  • Intuitive fan mode that can regulate humidity and create purer air.
  • iComfort®-enabled technology, when installed with an iComfort® S30 Ultra Smart Thermostat, adjusts to your family’s routine for the highest energy savings.
  • SilentComfort™ technology and sound-absorbing insulation means your furnace will heat quietly.
  • Dual-fuel capable—Can be used with an electric Lennox® heat pump for highest efficiency.
  • SureLight® ignition gives efficient performance.
  • Insulated blower component restricts heat loss.
  • Stainless-steel secondary heat exchanger traps more 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

The SL280NV gas furnace can help decrease your heating expenses while keeping your home comfortable all winter. Even on frigid days, its quiet, two-stage heating will keep temperatures stable while using as little fuel as possible. You can also breathe easy knowing this furnace contributes to a better environment—inside and outside. As the first lowest emission furnace on the market,2 it produces 65 percent less nitrogen oxide than standard low-NOx furnaces. Less NOx means healthier air and plants. This furnace also features:

  • Efficiency rating of up to 80% AFUE1—which can potentially save you more money on energy bills.
  • Ultra-low speed continuous fan controls humidity and distributes healthier air.
  • iComfort®-enabled technology, when paired with an iComfort® S30 Ultra Smart Thermostat, adjusts to your family’s routine and sets heating for energy savings.
  • SilentComfort™ technology and sound-absorbing insulation delivers quiet operation.
  • Dual-fuel capable—Use with an electric Lennox® heat pump for top efficiency.
  • SureLight® ignition gives efficient performance.
  • 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

Central Heating & Plumbing in New Castle is ready to help with any of your gas furnace replacement, repair or maintenance needs. Call 724-401-1843 or use our online scheduler to create your 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.