Rude service

Very rude customer service. I did pay for supply an fit new solar geyser. They said thwy will come at 15H00 to fit the geyeser when i phone and ask when the supplier will fit our geyer because its already 17h20 and here is nobody to fit the geyser. The lady Mrs Elizabeth was vey rude on the telephone with me. Very unprofessional to speak with clients.