Completing 6MS HVAC the week prior and bringing it to the test was definitely worth the cost of the book. I brought EVERYTHING I was familiar with to the test and felt that the benefit definitely outweighed the cost.
Passed Mechanical HVAC first try and the Passing Zone structure & guidance definitely helped but as stated previously you need to set your own regiment and put in the time for it to be worth it
Cracked the books (MERM) with the PPI Passing Zone (expensive but I thought worth the structure and guidance) 4 months before the test and with 3 weeks left I was doing 4 hours of problems a weeknight and atleast 8 hours each on Sat & Sun....passed Mechanical HVAC but felt that I definitely...