This means that you are a priority customer as you have a service agreement with Air Flow Designs. ESMA, P1 or P2 are Air Flow Jargon that refers to the type of agreement you have.
A P1 or P2 customer refers to “Air Flow Designs Protection Plan” Holders. A P1 customer has signed up for one yearly tuneup as part of your agreement. P2 refers to a service agreement holder who gets two tune ups a year. (We highly recommend two tune- ups a year).
An ESMA customer is an Energy Savings Maintenance Agreement holder (that is our tune up+ percent off agreement).
CEW is a Carrier Extended Warranty.