Fresh Flow GTA's residential duct cleaning starts at $199 for up to 10 ducts, which includes furnace cleaning, central duct cleaning, and disinfection. Each additional duct is $10. Full pricing: Package Price What's Included Regular $199 / 10 ducts Supply/intake vents, furnace cleaning, central duct, disinfection Maintenance $359 / 10 ducts Everything in Regular + dryer vent, central vacuum, HRV cleaning Elite $649 (unlimited vents) Everything in Maintenance + bathroom ceiling fan cleaning Extra furnace +$149 For homes with a second furnace Additional vents +$10 each Beyond the included 10