Some of the Best Gas Furnaces You Can Buy in Waterloo

Top-of-the-line Dave Lennox Signature® Collection gas furnaces are some of the best. They also have some of the quietest heating around and offer efficient heating for your Southeast Ontario area home.

Our two 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 can save your family hundreds on utility expenses.

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 Cronin-Verheul Heating & A/C Ltd in Waterloo a call at 519-664-0600 or schedule your appointment online.

SLP98V Variable-Capacity Gas Furnace

If you’re looking for outstanding energy efficiency, the SLP98V is the gas furnace for you. Having earned 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 ideal for homes in Waterloo 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, making changes automatically to achieve 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 outstanding temperature control
  • SilentComfort technology allows the system to operate quietly
  • SureLight® ignitor for an efficient performance
  • Insulated blower compartment to keep warm air in, decreasing heat loss
  • 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

SL297NV Variable-Speed, Ultra-Low Emissions Gas Furnace

Enjoy relaxing, consistent heating with the SL297NV gas furnace. In addition to the likelihood for utility savings, this furnace can also help protect the environment. The SL297NV is the first lowest emission furnace on the market,1 producing 65 percent less nitrogen oxide than standard low-NOx furnaces. Lower emissions mean fresher air and heartier plants. This furnace has earned 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 bills.
  • Intuitive fan mode that controls humidity levels and regularly filters air.
  • iComfort®-enabled technology, when paired with an iComfort® S30 Ultra Smart Thermostat, learns your family’s activities to modify heating for energy savings.
  • SilentComfort™ technology and sound-absorbing insulation offer quiet operation.
  • Dual-fuel capable—Can be used with an electric Lennox® heat pump for maximum efficiency.
  • SureLight® ignition ensures efficient operation.
  • Insulated blower component cuts down on heat loss.
  • Stainless-steel secondary heat exchanger holds on to extra heat, allowing the furnace to attain increased 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 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.

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 schedule a gas furnace maintenance visit? We’ve got you covered. Our staff in Waterloo is trained, experienced and ready to help. Set up an appointment or call 519-664-0600 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.