Promotional value expires 120 days after purchase. Amount paid never expires. Valid only within 70 km. of postal code V3W 4A5. 24-hour cancellation notice required. $10 fee applies for each additional vent. All supplies and return vents must be cleaned during the same visit. Limit 3 per person. May be repurchased every 365 days. Limit 1 per household. Valid only for option purchased. Merchant is solely responsible to purchasers for the care and quality of the advertised goods and services. Learn about Strike-Through Pricing and Savings