At 08:41 Dept. 65 and R10 (Smithfield) where dispatched to Box 65-9 109 Edingurg Ct for an AFA sounding at a residence. Chief 65 (Garner), Chief 65-6 (Magill), TRK65, E651, and R10 responded. Chief 65 arrived with maintenance advising false activation. Chief 65 placed the box available. At 9:23 crews where back on the street for another AFA at 123 Woods Ln (Huntingdon Boro) maintenance again advising false activation. Chief 65 placed the box back in service. The evening brought TRK65, E65-2, E65-1, and SQ65 back to 109 Edinburg Ct for the AFA sounding. TRK65 and Capt. 65-5 (Furlong) arrived with nothing showing. E65-2 assisted the crew investigating. With the remainder of the box going available.