Music City Grease Patrol, Nashville, Tennessee, home
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The component most often skipped.

Restaurant exhaust fan cleaning and service

The rooftop fan is where a lot of vendors quietly stop. Blades, housing, shroud and hinge all load up with grease, and a seized hinge is often the reason the last crew never opened it.

A rooftop exhaust fan hinged open at first light, a work light and a technician beside it on the roof deck.
Illustration — not a job photo.Rooftop fan hinged back on its curb, first light.
Free quotes Monthly filter exchange Hood to roof On time No mess left behind Photographed before the crew leaves Overnight, before prep starts Middle Tennessee

What fan service covers

Included

  • Fan hinged back safely, blades cleaned to bare metal
  • Housing and shroud washed
  • Hinge checked, and flagged if it is seized or missing
  • Belt condition noted
  • Rooftop grease cleaned, containment emptied or flagged for install
  • Electrical cable and containment photographed as we found them

Where we stop

We look at the electrical and photograph it. We do not do electrical work.

If we find damaged wiring or a dead fan motor, we stop on that component, photograph it, call the owner, and go back to work only once a repair approval is signed. We do not wash around damaged wiring, and we do not restart a dead motor to see what happens.

How to read your last fan photo

If the only fan picture in your last report was taken from six feet away with the housing still down, the fan was not opened. A fan that has been cleaned has a photo of the blades from above with the housing hinged back, and an after photo from the same angle on the same night.

That pair is the cheapest thing in this trade to skip and the easiest thing to check. Ask any vendor for both.

The same fan, before and after

One rooftop fan from the first full clean, with the housing hinged back. This pair is the cheapest thing in this trade to leave out of a report, so it is the one to ask any vendor for by name.

A rooftop exhaust fan housing and fan blades coated with heavy grease buildup before cleaning.
BeforeGrease buildup inside the rooftop fan.
The same rooftop exhaust fan housing and blades after grease removal and cleaning.
AfterThe same rooftop fan after cleaning.

Questions we get

Do you repair fans?

Fan repair and replacement, hinge kits and belt replacement are handled directly or through a partner we name. We will not describe regulated or specialized work as in-house when it is not.

My fan is noisy. Is that a cleaning problem?

Sometimes. Grease loading throws blades out of balance. It can also be a bearing, a belt or the motor. We look at it and photograph what we find, and the report tells you which one it looks like.

Why do you note the belt condition?

A cracked or slipping belt is the cheapest fan failure to prevent and the most expensive one to discover at 6 a.m. with a full book. We photograph it and write down what we saw. We do not replace it without your approval.

Can you service a fan on a roof with no hatch?

Usually. Tell us how the roof is reached, whether there is a permanent ladder, and who holds the key. Access goes in the quote as a line rather than turning into a surprise on the night.

The fan looks fine from the ground. Does it still need service?

The grease is inside the housing and on the underside of the blades, where nothing is visible from the ground or from the hood. A fan that looks fine from below is the normal condition of a fan that has never been opened.

Get a free fan quote

Tell us the hood and fan count and roughly when it was last cleaned. Photos of the hood, the filters and the rooftop fan speed the quote up considerably.