Some of the Best Gas Furnaces You Can Buy in Indian River County

If you’re searching for a gas furnace replacement in Indian River County, our Dave Lennox Signature Collection gas furnaces are an excellent choice. These models are a couple of the quietest gas furnaces out there and are very energy efficient.

We’ll start with energy efficiency. Our Dave Lennox Signature Collection gas furnaces include variable speed motors, which limit energy use by only running fans at full speed when extreme heat is required. Variable speed motors use 2/3 less energy than single speed motors and could help you save big on your annual utility bills compared to standard furnaces.

Product details for each Dave Lennox Signature Collection gas furnace model are explained below. If you want to talk with a Custom Air Systems Inc staff member about one of our products in Indian River County, call 772-571-1080 or make an appointment online.

SLP98V Variable-Capacity Gas Furnace

You will appreciate the energy efficiency of this gas furnace. It’s ENERGY STAR® qualified for meeting EPA efficiency standards, and it has an annual fuel utilization efficiency (AFUE) rating* of 98.2%. Combined, these two ratings help you save hundreds annually on your utility expenses. 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 operates much like the cruise control system of high-performance automobiles, automatically making adjustments as necessary to achieve 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 for some of the quietest operation you can find
  • 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

SL280V Variable Speed Gas Furnace

If you’re looking for a replacement furnace in Indian River County, the SL280V gas furnace is a good option. This product earned an 80% AFUE* efficiency rating, and it uses two-stage heating to improve energy efficiency. Additionally, with SilentComfort™ technology, this system operates up to 4.5 times quieter than competing models** to help you relax in the peaceful warmth of your home more easily. Take a look at the other great features of this model, including:

  • Efficiency rating of 80% AFUE*
  • iComfort®-enabled technology—allows the furnace, when installed with the easy-to-use programmable iComfort Wi-Fi® thermostat, to provide enhanced performance and efficiency
  • SureLight® ignition for an efficient performance
  • Insulated blower compartment traps the heat so your system doesn’t have to work as hard to warm up the air
  • 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

Custom Air Systems Inc in Indian River County is available to help with any of your gas furnace replacement, repair or maintenance needs. Call 772-571-1080 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.