What Diameter Should A Dryer Vent Be?

What Diameter Should A Dryer Vent Be? All dryer ducting must be a minimum of 4′′ in diameter. Clean, unobstructed, frictionless ducts encourage air flow efficiency, quickens drying times, adds longevity to clothing’s life and reduces utility bills. What is the size of a dryer vent hose? Size and Compatibility Most dryers require a hose