The symptom everyone ignores
Dry times that creep from one cycle to two, a laundry room that turns into a sauna, a machine hot to the touch, a burnt-dust smell — every one of those is the same diagnosis. Lint gets past every screen, settles along the duct, and chokes the exhaust a little more each load. The dryer responds by running longer and hotter, which costs money weekly and, in the bad case, ignites. Lint fires are among the most preventable house fires there are, and prevention is a brush and a vacuum.
Why coastal vents clog their own way
Around Santa Maria the marine layer keeps exhaust moist, and damp lint packs tight instead of blowing free. Long duct runs in newer tract homes, roof terminations that are out of sight and out of mind, and exterior flaps that birds find irresistible in spring all add their share. A proper cleaning runs the full length — drum connection to termination — clears the flap, and confirms real airflow at the exit rather than calling it done at the wall.
What a visit looks like
Rotary brushes and vacuum extraction from both ends, a check of the transition hose behind the machine (the crushed-foil accordion is a repeat offender), the flap cleared and swinging free, and a quick airflow test to prove the fix. If the duct itself is kinked, crushed, or made of the old vinyl that should not carry dryer exhaust at all, replacing that run is the same visit's work.
How often is enough
Once a year for most households; every six months for big families, pet homes, and rentals between tenants. Property managers like it bundled with a turnover — five quiet minutes of prevention against the loudest possible problem.