Think your AC is only making your house comfortable?
The condensation it produces could also be creating a small moisture zone that termites find attractive.
Subterranean termites need moist conditions and often follow available moisture toward buildings. That means an AC condensate line dripping close to the foundation, a constantly damp patch beneath an outdoor unit, or poorly directed drainage can create exactly the kind of localized moisture termites exploit.
The problem is that the moisture source may be tiny.
You may not see standing water. You may only notice:
 Damp soil near the foundation
 Algae or persistent staining around a drain outlet
 Soil that stays wet long after the surrounding ground dries
 Moisture collecting beneath an exterior AC unit
 Termite mud tubes appearing near the affected area