Home » $20 off your first service! Free Estimate Join our Mailing List New residential clients will receive a $20 discount on their first service! * For a limited time, any new Focus Window Cleaning clients will receive a $20 discount on their first service. Free Estimate * Offer valid for new residential customers only. May not be combined with any other promotion or sale. Service property must be within an 8 KM radius of Memorial and Center St, Calgary AB. Qualifying purchases must be over $100.