Abstract: In this study, experimental of PVT based air collector system has been conducted. It can produce electricity and heat at the same time. Fans are used to cool the PV panel and the ∇-groove used to improve the efficiency of the cooling process. During the study carried out on PVT air collectors without ∇-groove, air mass flow rate varied in ranges of 0.0069-0.0491 kg/sec and the radiation intensity halogen lamp at two different intensities of with an average of 820 and 522 W/m2. The average PVT efficiency without collector is 59.07% in solar radiation 522 W/m2 and the average PVT efficiency with collector is 66.49 W/m2. It shows that ∇-groove collector used to improve the efficiency of PVT system.