Breakdowns are not only irritating, they are dangerous and costly to fix. Cold nights are particularly harsh as it is difficult to sleep and those who are sensitive to the cold will end up shivering until dawn. Emergency repair services can be availed of but be prepared to possibly shell out thousands of dollars, especially is a component needs to be taken out. A full heater replacement must be considered if this kind of breakdown keeps reoccurring. It will prevent your wallet from bleeding out due to the failures.
Contact a reputable service company for this task. Make sure that it can do the job at a reasonable cost with excellent results. Ask your friends and family around the community for their feedback and recommendations.