Some of the Best Gas Furnaces You Can Buy in South Beloit and Belvidere

If you’re looking for a gas furnace replacement in South Beloit and Belvidere, our Dave Lennox Signature Collection gas furnaces are an excellent choice. These systems are some of the quietest gas furnaces out there and are highly energy efficient.

Let’s 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 66% less energy than single speed motors and can help you save hundreds on utility expenses each year compared to standard furnaces.

Product specifications for each Dave Lennox Signature Collection gas furnace model are included below. If you want to talk with a Fleming Heating & Air Conditioning Inc. staff member about one of our products in South Beloit and Belvidere, call 877-389-2465 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 also earned 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 impressive features, including:

  • Efficiency rating of up to 98.2% AFUE*—helps reduce 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, adjusting on its own as necessary to achieve maximum fuel efficiency
  • iComfort®-enabled technology—enables the furnace, when installed with the easy-to-use programmable iComfort Wi-Fi® thermostat, to provide even better performance and efficiency
  • PreciseComfort™ technology provides superior 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 in need of a new furnace and located in South Beloit and Belvidere, the SL280V gas furnace is a good option. Not only has it earned an efficiency rating of 80% AFUE*, but it also uses two-stage heating to improve energy efficiency. Plus, with SilentComfort™ technology, this system is 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—helps the furnace, when installed with the easy-to-use programmable iComfort Wi-Fi® thermostat, to provide improved 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 keep the air warm
  • 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

Fleming Heating & Air Conditioning Inc. in South Beloit and Belvidere is available to help with any of your gas furnace replacement, repair or maintenance needs. Call 877-389-2465 or use our online scheduler to set up 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.