HVAC
HVAC Systems for GTA Homes
Supplied, Installed & Serviced by Lennox Certified Dealers
Direct Air Systems is the GTA’s premium Lennox dealership, offering a complete range of residential HVAC systems equipment — high-efficiency furnaces, heat pumps, and air conditioners for every home size and budget. Our certified technicians handle everything from system sizing to professional installation and ongoing maintenance, so you get reliable year-round comfort from day one.
Shop Lennox HVAC Systems Equipment, All Energy Star Certified
Every unit in our HVAC catalog is Energy Star certified, making your purchase eligible for available Ontario and federal rebate programs. Choose from the Lennox Merit, Elite, and Signature series — each engineered for Canadian winters and rated for performance under GTA climate conditions.
Not sure which system is right for your home? Our team offers free load calculations and system sizing consultations at our Markham showrooms.
High-Efficiency Gas Furnaces, The Most Popular HVAC System in the GTA
Our furnace lineup includes 44 Lennox models across the Merit, Elite, and Signature series, with AFUE ratings from 96% to 99% — among the most efficient gas furnaces available in Canada. Variable-speed motors, two-stage burners, and ultra-quiet operation make Lennox furnaces the top choice for GTA homeowners replacing aging equipment or building new.
Heat Pumps, The Energy-Saving HVAC System GTA Homeowners Are Choosing
Heat pumps deliver both heating and cooling from a single system, reducing energy costs significantly compared to traditional gas heating. Our 22-model Lennox heat pump selection includes cold-climate models rated down to –30°C — purpose-built for Ontario winters. Eligible for Canada Greener Homes and Ontario rebate programs when professionally installed.
GTA Showrooms, Certified Lennox Installation Teams.
Direct Air Systems operates showrooms in Markham (162 Bullock Dr, Unit 13), making it easy for homeowners across the GTA, from Brampton to Scarborough — to see equipment in person before buying. All installations are performed by our licensed HVAC technicians, and every system comes backed by Lennox's industry-leading warranty.
Get a Free HVAC Quote, No Obligation
Ready to upgrade your heating or cooling system? Request a free quote online or call our team at (905) 951-8080 . We'll assess your home, recommend the right system, and provide a transparent, itemized quote, with no pressure and no surprise fees.