I took the test on a Saturday afternoon and the results were posted online on Wednesday. It was quick. Granted i live in upstate NY and it only had to be mailed to Illinois so it didn't have long to travel to get graded. Good luck!
RSES CM Member
NCI Certified Air Balancer and CO/Combustion Analyst
NATE Senior technician - Energy efficiency analyst and 7 other NATE Service certifications