Exhaust fan cleaning in Chandler

What the fan is actually for

It is there for humidity, not odor.

A bathroom fan pulls moist air out of the room and puts it outside before it condenses on cold surfaces. Working properly, the mirror clears reasonably fast and the room dries. Not working, that moisture stays and goes into the paint, the drywall and eventually the ceiling.

The symptoms arrive slowly enough that people stop noticing. Paint lifting near the shower. A ceiling that never quite dries. Grout discoloring faster than it should. Each of those is ventilation being blamed on something else.

Two checks you can do now

The paper test

Run the fan and hold one square of toilet paper flat to the grille. A working fan holds it without help. If it falls, the fan is not moving enough air, and the usual cause is a housing packed with years of lint.

Look up through the slots

With a flashlight. Furred gray edges mean buildup, and what is visible is a fraction of what sits in the housing above.

What is in there

Not the same material as a duct system.

Lint and fabric fiber from towels, which is most of it. Skin cells and hair. Dust drawn up from the room. A laundry fan gets the same with more fiber.

All of it compacts into the cavity around the motor and blades. The more that collects, the less air moves while the motor draws the same current, which is why a neglected fan manages to be loud and useless at once.

Why it matters in Chandler

Monsoon humidity. For a couple of months the outside air is genuinely humid, and a fan that barely coped in April cannot cope in August. That is when paint problems appear.

Long-held housing. In the 55+ communities and the older central streets, the fan is frequently original to the house and has never been opened in thirty years.

Where it is worth doing

• Every bathroom fan in a house where nobody has ever done it
• Laundry fans, which take more fiber than a bathroom
• Any fan noticeably louder than it used to be
• Any fan that fails the paper test
• Bathrooms already showing moisture damage

What cleaning will not fix

A failing motor, whining, running hot or cutting out, is a replacement and an electrical job.

A fan undersized for the room will be restored to the performance it always had, which may still not be enough.

And a fan that vents into the attic rather than outside, which happens in older Chandler housing more than it should, will simply pump moist air into your roof space more efficiently. You will be told if that is what we find.

Doing it alongside the ducts

The sensible way to buy it. At $50 a fan it does not justify a dedicated visit, and the $150 minimum would apply to a standalone job.

Added to a duct cleaning it costs nothing in travel and very little in time. Most houses have two or three, so $100 to $150 on a job already happening.

Questions