The Mobile Air Conditioning Society (MACS) is presenting a mobile A/C technical training blitz weekend on Friday, October 18 and Saturday, October 19 at MACS training center in Lansdale, PA. Attendees will experience an intense weekend of training delivered at a rapid pace, the society promises.

On Friday, October 18 an updated Section 609 certification class is being offered, which will include R-1234yf information. To ensure correct recovery procedures are followed, there will be a hands-on recovery/recycling/recharge machine demonstration.

On Saturday, October 19 MACS will present four separate quick-hit classes, including: compressor-replacement procedures to avoid comebacks, A/C system temperature testing as a diagnostic aid, working on hybrid vehicle HVAC systems, and R-1234yf — what’s going on?

Registration can be completed at the MACS website at or call the MACS office at (215) 631-7020 x 306.