Heat surrounded by my home with the sole purpose works when it requirements to plz help out im cold? ok my heat will not other kick on when it should we...

ok my heat will not other kick on when it should we replaced the thermostat and thought that it might fix the problem but it doesnt. sometimes it will work sometimes it wont. most of the time when it doesnt work is contained by the middle of the night and i own a 1 and a half yr feeble lil girl and i get worried that it is too cold. we walk thru keyspan for heat. i reflect its natural gas i dont know how to fix it nor do i infer much about this...plz facilitate me i am freezing
Answers:    You need to phone up a repair man and have the furnace serviced. You don't want it to anomaly, it could be very treacherous for you and your baby. Is the price of a service call upon worth your baby's life? Call tomorrow.
phone up a furnace repairman