Promotional value expires 90 days after purchase. Amount paid never expires. Valid only within 80 km. of postal code V5X 0H3. 24-hour cancellation notice required. Appointment required. All supplies and return vents must be cleaned at the same time. CAD $10 each for fresh air returns and for each additional vent. Area covered includes Surrey, Delta, (including Ladner and Tsawwassen), Richmond White Rock, New Westminster, Burnaby, Vancouver, North Vancouver, Maples Ridge, Langley, Coquitlam, Port Coquitlam, Pitt meadows and Abbotsford. Limit 3 per person. May be repurchased every 365 days. Merchant is solely responsible to purchasers for the care and quality of the advertised goods and services. Learn about Strike-Through Pricing and Savings