Commercial kitchen deep cleaning
Cold, full and awkward, walk-ins get a tidy instead of a clean - so the seals, coils and drains go unnoticed until an inspection finds them. The job most sites skip.
Short answer
Walk-in fridges and freezers are the deep clean most sites skip, and the one inspectors check. A proper job empties them, cleans door seals and gaskets, vacuums condenser coils, flushes drains, degreases floors, and descales any ice machine to HSG274 because of legionella risk.
Walk-ins are cold, usually full, and awkward to clear, so they get a quick tidy rather than a clean. And because the shelves look tidy, the harder-to-see problems - seals, coils, drains - go unnoticed until an inspection finds them. They are exactly the kind of area that can look clean without scoring clean - a unit that passes a glance and fails a closer look.
The unit is emptied and expired stock disposed of, then shelves and surfaces are cleaned to the two-stage standard. The door seals and gaskets - where mould and soil hide, and where a perished seal quietly wrecks temperature retention - are cleaned and checked. Condenser coils are vacuumed, because clogged coils kill efficiency and push up running cost. Drain lines and pans are flushed, and the floor, including the corners and the grease that creeps in from the kitchen, is degreased.
Freezers bring their own job. Frost and ice build up on coils and around door frames, and a frozen-over evaporator coil makes the unit work harder and hold temperature less well. A deep clean defrosts and clears that build-up, checks the door heaters and seals that stop frost forming in the first place, and cleans the floor where spillage freezes into a hazard. Because everything has to come out and the unit has to be defrosted, freezers are usually planned for a closure window rather than squeezed into an overnight - part of why they get skipped, and part of why they need scheduling properly.
Refrigeration is isolated before anyone works near the coils, and the unit is allowed back to temperature before it is restocked. Ice machines get their own treatment: descaled and sanitised in line with the manufacturer's instructions and HSG274 guidance, because neglected ice-making equipment carries a genuine legionella risk - a point often missed entirely. This connects to the wider sweep in what a deep clean includes, surface by surface and the hidden stores a daily wipe never reaches.
The walk-in clean removes contamination and protects performance, which is necessary - but a perished seal still needs replacing, not just cleaning, and temperature control remains your daily responsibility. The deep clean resets the cold store; it does not run your cold chain.
Questions
Emptying the unit and disposing of expired stock, two-stage cleaning of shelves and surfaces, cleaning and checking door seals and gaskets, vacuuming condenser coils, flushing drain lines and pans, and degreasing the floor including the corners.
Gaskets trap mould and soil, and a perished seal quietly ruins temperature retention - hurting both food safety and running cost. A deep clean cleans and checks them, but a perished seal needs replacing, not just cleaning.
Yes. Clogged condenser coils make the unit work harder, cutting efficiency and pushing up energy cost, and can lead to breakdowns. They are vacuumed as part of the clean, with the refrigeration isolated first for safety.
Because neglected ice-making equipment carries a legionella risk. Ice machines are descaled and sanitised in line with the manufacturer's instructions and HSG274 guidance - a step that is frequently skipped entirely.
It removes contamination and protects performance, which is necessary - but temperature control is your daily job and a perished seal still needs replacing. The deep clean resets the cold store; it does not run your cold chain.
Phoenix Duct Clean · by the numbers
Phoenix cleans walk-in seals, coils, drains and floors and descales ice machines to HSG274 - the parts a quick tidy misses. Quoted on survey, certificated on completion.