Some of the Best Gas Furnaces You Can Buy in Orange County

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 provide efficient heating for your Orange County area home.

Our Dave Lennox Signature Collection gas furnaces boast variable speed motors, which help produce more comfort than traditional single speed furnaces. Variable speed furnaces’ blower fans start up slowly and only operate at maximum speed when extreme heat is demanded. These furnaces could save your family hundreds on utility expenses.

Learn more about each Dave Lennox Signature Collection furnace below. When you’re ready to move forward with your gas furnace replacement, give Mighty Ducts in Orange County a call at 714-464-3376 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’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 Orange County 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 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 produce more efficient heat and achieve better performance
  • PreciseComfort technology provides outstanding 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

SL280V Variable Speed Gas Furnace

You almost can’t go wrong with an SL280V gas furnace if you’re in Orange County. This two-stage heating system earned an 80% AFUE energy efficiency rating, which may help reduce your utility expenses. It also includes SilentComfort™ technology to produce heat very quietly. With the SL280V, you’ll receive cozy and reliable warmth. Other great features include:

  • Efficiency rating of 80% AFUE*
  • iComfort®-enabled technology—allows the furnace, when installed with the easy-to-use programmable iComfort Wi-Fi® thermostat, to produce even better efficiency and performance
  • SureLight® ignition for an efficient performance
  • Insulated blower compartment keeps heat in and minimizes losses
  • 10-Year Limited Warranty on covered components
  • 20-Year Limited Warranty on heat exchanger
SL280V Variable Speed Gas Furnace
Efficiency Rating (SEER): up to 80
Price Guide: $$$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 Orange County is trained, experienced and eager to help. Set up an appointment or call 714-464-3376 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.