Originally Posted by
smmrfld
This is incorrect information. You will be emailed a certificate, usually within a few days after it shows up in your online account. While HH can look it up for you when you need to make a reservation, you always want to have the certificate number as backup, which appears on the emailed certificate. If you don't receive it within a week, call HH.
I was never emailed an email certificate, nor did I have any problem to redeem the certificate.