I thought the same thing; they probably collect the email to notify you once they actually do have cleaners available. However, a much more frictionless approac

I thought the same thing; they probably collect the email to notify you once they actually do have cleaners available. However, a much more frictionless approach would be to only ask for an email after the search, like "Would you like us to notify you once cleaners are available in your area?" That's more genuine.