I have a heater that quit working. Old Republic Home Warranty has sent a technician out 4 times now and the unit is still not working!! The temperature has been in the 30's. In addition, there was NO HEAT over the entire Thanksgiving weekend while having a housefull of company!!! The heating specialist has been out 4 times now. He's examined the unit completely, checked the ducting, looked at thermostats, etc. In one of the visits, he replace the electronic ignition unit. In another of the 4 visits he replaced a nother major... read full review »