What is it with my house and noise. Next door is currently vacant, chap that owns it is useless, he's off on honeymoon and for the last 3 days his fire alarm is going off constantly - It's not the battery indicator peep - it's the actual alarm. we're the next door semi D and noise is headache inducing today even with music on. I'm working in my office at home. we have tried the station where he works to look for a keyholder, several times. so far nothing. There is no smell of smoke, so I'm not sure what set off the alarm. any suggestions before we burrow through the attic!!!!