Central heat tripping my breaker ? I bought my home August of last year, and this problem occur...

I bought my home August of last year, and this problem occur for a few months (Oct-Jan) last winter but not the ultimate half and started again this season. I live by myself and collect energy and money, I turn rotten my central heat while I¡¯m at work during the day. I¡¯m comfortable beside it set at 70 and when I get home, it¡¯s usually around 60 inside so I turn it on to 70. After a while, as it near 70, the breaker in the fuse box trips and switch itself is extraordinarily warm. The home be completely updated except for the central system, which I dream up is dated 1995, and the breaker itself is a dual switch and says ¡®30A¡¯.
I ¡®m sure it¡¯s not obedient that the switch gets reheat and trips itself, know of any easy and inexpensive fix for this or why this might be occurring? Rather not have my home block fire and fear that might come to pass. sorry if I get my language wrong =) Thanks
Answers:    If your switches or circuit breaker is over heating, (which cause the circuit breaker to cut off), it is the wiring. I could in recent times tell you that you should hold a 50 amp in the box, but I don't know what sort of wire is run. You WILL enjoy to get an electrician to look at it for you. It may be a cheap fix if he singular needs to evolution the circuit breaker. Don't let it walk though, no wires, contacts, or switches should run hot like that.
It may be as unforced as tightening the screws on the breaker,disconnect, and contactor.