Some of the Best Gas Furnaces You Can Buy in San Jose

Top-of-the-line 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 provide efficient heating for your San Jose area home.

Our Dave Lennox Signature Collection gas furnaces boast variable speed motors, which help produce more comfort than traditional single speed furnaces. In a variable speed furnace, blower fans start up slowly and only operate at maximum speed when extreme heat is demanded. These furnaces can save your family a substantial amount on your energy bills.

Find out more about our Dave Lennox Signature Collection furnaces below. When you’re ready to discover which gas furnace replacement option is right for you, give American HVAC Inc in San Jose a call at 408-215-1018 or set up your appointment online.

SLP98V Variable-Capacity Gas Furnace

If high energy efficiency is what you want, the SLP98V is the gas furnace for you. With a 98.7% annual fuel utilization efficiency (AFUE) rating*, you may see more 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 a great choice for homes in San Jose 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 offer higher performance and better 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

Reduce your energy costs while gaining outstanding comfort all winter long with the SL280NV gas furnace. Its quiet, two-stage heating will keep temperatures balanced 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 environmentally responsible. As the first lowest emission furnace on the market,2 it emits 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 possibly helping you save on energy costs each year.
  • Ultra-low speed continuous fan can help regulate humidity and help provide fresher air.
  • iComfort®-enabled technology—, when installed with an iComfort® S30 Ultra Smart Thermostat, learns your family’s schedule to modify 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.

California Only
This furnace does not meet the South Coast Air Quality Management District (SCAQMD) Rule 1111 NOx emission limit (14 ng/J) and cannot be installed in the SCAQMD.

If installed in San Joaquin Valley Air Pollution Control District (SJVAPCD) only: This furnace does not meet the SJVAPCD Rule 4905 NOx emission limit (14 ng/J), and thus is subject to a mitigation fee of up to $450.

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 relaxing, consistent heating with the SL297NV gas furnace. In addition to the possibility for utility savings, this furnace can also help protect 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 healthier plants. This furnace has received ENERGY STAR® designation for its energy savings and also includes:

  • Efficiency rating of up to 97.5% AFUE2—potentially saving you hundreds of dollars every year on heating expenses.
  • Intuitive fan mode that controls humidity levels and regularly filters air.
  • iComfort®-enabled technology, when installed with an iComfort® S30 Ultra Smart Thermostat, adapts to your family’s schedule to adjust heating for energy savings.
  • SilentComfort™ technology and sound-absorbing insulation provide quiet operation.
  • Dual-fuel capable—Can be combined with an electric Lennox® heat pump for maximum efficiency.
  • SureLight® ignition delivers efficient heating.
  • Insulated blower component minimizes heat loss.
  • Stainless-steel secondary heat exchanger catches 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.

California Only
This furnace does not meet the South Coast Air Quality Management District (SCAQMD) Rule 1111 NOx emission limit (14 ng/J) and cannot be installed in the SCAQMD.

If installed in San Joaquin Valley Air Pollution Control District (SJVAPCD) only: This furnace does not meet the SJVAPCD Rule 4905 NOx emission limit (14 ng/J), and thus is subject to a mitigation fee of up to $450.

SL297NV Variable-Speed, Ultra-Low Emissions Gas Furnace
Efficiency Rating (SEER): up to 97.5
Price Guide: $$$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 San Jose is trained, experienced and eager to help. Schedule an appointment or call 408-215-1018 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.