Some of the Best Gas Furnaces You Can Buy in Dallas 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 provide efficient heating for your Collin County area home. Our two Dave Lennox Signature Collection gas furnaces include variable speed motors, which enable more comfort than typical single speed furnaces. With a variable speed furnace, blower fans start up slowly and only operate at maximum speed when a much higher temperature is demanded. These furnaces can save your family hundreds on utility expenses. Learn more about each Dave Lennox Signature Collection furnace below. When you’re ready to take the next step in your gas furnace replacement process, give Tri County Air Care LLC in Dallas a call at 469-213-8367 or set up your appointment online. SL280V Variable Speed Gas Furnace It’s hard to go wrong with an SL280V gas furnace if you’re in Dallas. This two-stage heating system achieved an 80% AFUE energy efficiency rating, which helps you save on energy expenses. It also includes SilentComfort™ technology to generate heat so quietly you may forget it’s even there. With the SL280V, you’ll experience 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 provide even better efficiency and performance SureLight® ignition for an efficient performance Insulated blower compartment keeps the heat inside 10-Year Limited Warranty on covered components 20-Year Limited Warranty on heat exchanger Efficiency Rating (SEER): up to 80 Price Guide: $$$ Product Brochure Contact Us to Learn More Need help with a gas furnace repair or want to plan for a gas furnace maintenance visit? We can handle it all. Our staff in Dallas is trained, experienced and eager to help. Set up an appointment or call 469-213-8367 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.