Profile National Technical Institute Show my name on the attendees list for events I am attending: Yes National Technical Institute National Technical Institute is best training Hvac School Las Vegas at NIT. We provide training which employers are looking for. Join NTI today to get your career on fast-track. Last activity: on 25/02/2018 Joined: on 25/02/2018 https://www.ntitraining.com Design quotient Earn DQ points by participating in a challenge. What are (DQ) Points? DQ points are a measure of your contributions, they correspond to how active you are in the Research, Ideas and Evaluation phases of a challenge.