Some of the Best Gas Furnaces You Can Buy in Huffman

If you’re in need of a gas furnace replacement in Houston, our Dave Lennox Signature Collection gas furnaces are an excellent choice. These systems are some of the quietest gas furnaces available and are extremely energy efficient.

Let’s begin with energy efficiency. Our Dave Lennox Signature Collection gas furnaces include variable speed motors, which conserve energy by only running fans at full speed when an extreme change in heat is required. Variable speed motors use 66% less energy than single speed motors and could help you save big on utility expenses each year compared to standard furnaces.

More details for each Dave Lennox Signature Collection gas furnace model are explained below. To talk with a Air Houston Mechanical LLC staff member about one of our products in Houston, call 832-777-1521 or set up an appointment online.

SLP98V Variable-Capacity Gas Furnace

You will appreciate the energy efficiency of this gas furnace. It’s certified by ENERGY STAR® for meeting EPA efficiency standards, and it has 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. Learn about some of the SLP98V’s other outstanding features, including:

  • Efficiency rating of up to 98.2% AFUE*—can save you money on your utility expenses
  • ENERGY STAR® qualified—meets or exceeds EPA guidelines for energy efficiency
  • Variable-capacity operation runs much like the cruise control system of high-performance automobiles, adjusting on its own as necessary to provide 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 superior control
  • SilentComfort technology allows the system to run quietly
  • SureLight® ignitor for an efficient performance
  • Insulated blower compartment to trap heat in and reduce 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 energy expenses while keeping your home cozy all winter. Even on frigid days, its quiet, two-stage heating will keep temperatures regular while using as little energy 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 makes 65 percent less nitrogen oxide than standard low-NOx furnaces. Less NOx means fresher air and plants. This furnace also features:

  • Efficiency rating of up to 80% AFUE2—which can likely save you more money on heating expenses.
  • Ultra-low speed continuous fan regulates humidity and provides healthier air.
  • iComfort®-enabled technology—when linked with an iComfort® S30 Ultra Smart Thermostat, adjusts to your family’s schedule and sets heating for energy savings.
  • SilentComfort™ technology and sound-absorbing insulation delivers quiet performance.
  • Dual-fuel capable—Install with an electric Lennox® heat pump for highest efficiency.
  • SureLight® ignition offers 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 adjusts to your lifestyle with the SL297NV gas furnace. Not only can this furnace help you save on utility costs, it’s an environmentally responsible choice. As the first lowest emission furnace on the market,1 the SL297NV produces 65 percent less nitrogen oxide than standard low-NOx furnaces. You can rest easy knowing your furnace is resulting in purer air and more robust plants. Recognized with ENERGY STAR® accreditation, this furnace has the potential to save you hundreds of dollars each year on heating bills. It also features:

  • Efficiency rating of up to 97.5% AFUE2—possibly keeping more money in your pocket due to reduced 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, acclimates to your family’s activities for the most energy savings.
  • SilentComfort™ technology and sound-absorbing insulation means your furnace will operate quietly.
  • Dual-fuel capable—Can be used with an electric Lennox® heat pump for maximum efficiency.
  • SureLight® ignition gives efficient heating.
  • Insulated blower component restricts heat loss.
  • Stainless-steel secondary heat exchanger holds on to additional heat, allowing the furnace to achieve 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

Air Houston Mechanical LLC in Huffman is eager to help with any of your gas furnace replacement, repair or maintenance needs. Call 832-777-1521 or use our online scheduler to make 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.