Some of the Best Gas Furnaces You Can Buy in Port Saint Lucie

Our Dave Lennox Signature® Collection gas furnaces are some of the best of the best. They also have some of the quietest heating around and produce efficient heating for your Port Saint Lucie area home.

Our Dave Lennox Signature Collection gas furnaces feature variable speed motors, which allow more comfort than older single speed furnaces. Variable speed furnaces’ blower fans start up slowly and only operate at their highest speed when extreme heat is demanded. These furnaces could save your family a substantial amount on your energy bills.

Learn about each of our Dave Lennox Signature Collection furnaces and features here. When you’re ready to move forward with your gas furnace replacement, give Custom Air Systems Inc in Port Saint Lucie a call at 772-335-3232 or schedule your 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 may see more 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 Port Saint Lucie for other reasons, too. Some of its features include:

  • Efficiency rating of up to 98.7% AFUE*can help you save 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 provide even better performance and efficiency
  • PreciseComfort technology provides simple and exact temperature control
  • SilentComfort technology allows the system to operate 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

It’s hard to go wrong with an SL280V gas furnace if you’re in Port Saint Lucie. This two-stage heating system features an 80% AFUE energy efficiency rating, which could save you money on your utility expenses. It also includes SilentComfort™ technology to produce heat so quietly you may forget it’s even there. With the SL280V, you’ll enjoy cozy and reliable warmth, along with these other great features:

  • Efficiency rating of 80% AFUE*
  • iComfort®-enabled technology—allows the furnace, when installed with the easy-to-use programmable iComfort Wi-Fi® thermostat, to offer 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 set up a gas furnace maintenance visit? We can handle it all. Our staff in Port Saint Lucie is trained, experienced and eager to help. Set up an appointment or call 772-335-3232 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.