It was quite simple, general questions and talking about past experiences. talked about the company. HR was very polite and professional. she also talked about how to move up for promotions and what the company has to offer.

Basically they put technical guy from production to take your interview. Once you clear it , probably you will be hear from them on same day. please bring your documents with you . They may ask you. Be prepare with question related with combination of HVAC and Electrical theory.