Commercial Duct Cleaning in Fargo

The duct is the part of a kitchen exhaust system that matters most and gets cleaned least.

Grease leaves the cook line as vapour, cools as it travels, and condenses on the inside of the ductwork. That deposit is the actual fire load in a commercial kitchen, and it is in the one part of the system nobody can see from the kitchen floor.

What NFPA 96 requires, plainly

A compliant cleaning is the whole system to bare metal: the canopy, the filters, the plenum behind them, every section of ductwork, and the fan. Not the parts that are easy to reach.

That is the standard your fire inspector works from and the one your insurer will ask about after a fire, and it is the reason the NFPA 96 frequency guide exists on this site. Frequency is set by what you cook and how much: monthly for solid fuel, quarterly for high volume, semiannual for moderate volume.

Where cheap cleanings fall down

The failure is always the same and it is always in the duct.

A canopy and a set of filters can be made to look excellent in an hour. Ductwork takes access panels, scrapers, and someone willing to get inside the system. So the corners that get cut are horizontal runs, the sections between elbows, and the fan housing, and the customer cannot tell because they never see any of it.

Three questions that separate a real service from a wipe-down:

1. May I see photographs from inside the duct and at the fan? Interior shots, not canopy shots.
2. Does the system have access panels, and were they opened? If a run has no access, a proper contractor tells you and offers to install them rather than quietly skipping it.
3. Was the fan lifted? A rooftop fan has to come up off its curb to clean underneath it, which is what hinge kits are for.

Fargo specifics

Fargo adds a variable most markets do not have: cold. Grease that is liquid at cooking temperature stiffens as it moves away from the heat, and in a duct run through an unheated space or up to a rooftop fan in a North Dakota winter it sets hard well before it reaches the end of the system. That is why the far end of a duct run and the fan housing are frequently the worst part of a Fargo system while the canopy over the line looks reasonable, and it is the argument against judging a system by the part you can see.

Building HVAC duct cleaning

Separate from the kitchen exhaust side, we also handle building HVAC ductwork: supply and return runs, registers, and coils in commercial buildings. There is no fire-code mandate driving this one, so it is done for indoor air quality, dust and odour reasons, and it is the right call after construction work, after a water event, or when a building has an ongoing complaint nobody can locate.

If you have both, doing them on the same visit is usually cheaper than two mobilisations.

What a proper job includes

• The whole exhaust system to bare metal, hood through duct to fan.
• Before and after photographs, including inside the duct and at the fan.
• Service documentation and the sticker your inspector looks for.
• After-hours scheduling, the usual practice, so the kitchen is not down.
• An honest note if a run has no access panel, with a quote to add one, rather than a cleaning that quietly skips it.

What it costs

Published on the pricing page, and the cost calculator prices your kitchen without an email.

Book a duct cleaning

Tell us how many hoods you run, what you cook, how the fan is accessed, and when you were last serviced. If you are not sure the duct has ever been properly cleaned, say so and ask for it to be photographed before anything is quoted. Areas covered: Fargo, West Fargo, Horace, Casselton, and Grand Forks.