HVAC filter

This question mainly depends on climate and geography. The farther north you live, the more months in a year your forced-air heating system will need to operate. In most of the South, however, air conditioning runs longer and more intensely than heating systems do in the winter. The requirement to check and change an air filter is directly related to usage. If the cooling or heating system is running constantly, the filter needs to be checked more frequently. If it’s […]