Dirty filters are the most common cause of furnace problems. Dust and dirt restrict airflow and if the filter get too clogged the heat exchanger will overheat and shut off tii quickly.
It can be due to years or improper usage and maintenance of the unit. They can be also old and you need to spend more moneye if you need to have them fixed by an authorized person.
Dirty filters are the most common cause of furnace problem. Dust and dirt restrict airflow and if the filter get too clogged , the heat exchanger will overheat and shuff off too quickly and your house won't warm up .