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build_circleCommercial Repair

Commercial Air Conditioning Repair

Breakdown repair and fault diagnosis for commercial air conditioning across Orpington, Bromley, Croydon and South East London. Owner-operated, F-Gas qualified, and I work outside your trading hours at no extra cost.

request_quoteGet a Quote call07717 846247
verified_userF-Gas Qualified
scheduleOut-of-Hours at No Extra Cost
shield£2m Public Liability

paymentsRepair & Diagnosis

  • check_circleFault diagnosis before any quote
  • check_circleFixed price agreed before work starts
  • check_circleMitsubishi, Daikin, Midea, Toshiba, Fujitsu
  • check_circleWritten report with photographs
  • check_circlePriority booking for agreement customers
buildCommon Faults

What Actually Breaks on Commercial AC

Commercial systems fail for boringly predictable reasons, and the majority are maintenance problems rather than component failures. That is worth knowing, because it means most breakdowns are both cheaper to fix and entirely preventable.

Blocked filters and coils

The single biggest cause of "it is not cooling any more". A choked system works harder, delivers less, runs the compressor hot and eventually trips out. In a kitchen or a gym it happens far faster than anyone expects.

Condensate pump or drain failure

Water in the tray with nowhere to go trips the float switch and shuts the unit down — or worse, overflows through a ceiling tile onto your floor. Very common, very preventable.

Electrical and controls faults

Loose terminals, failed contactors, isolators that have been switched off by someone tidying up, controllers locked out on a fault code nobody has read. Always worth checking before assuming the worst.

Fan motors and bearings

Noise usually comes before failure. A bearing that has started to whine gives you weeks of warning if someone is listening for it — which is one of the arguments for planned maintenance.

Refrigerant faults

Less common than people assume, but real. These need F-Gas qualified handling and proper leak investigation rather than simply topping up and hoping, which is both bad practice and, for larger systems, a compliance issue.

savingsThe Honest Bit

Repair or Replace?

A lot of commercial AC gets replaced when it did not need to be. If a system is ten years old and needs a controller, that is usually worth doing. If it is eighteen years old, running an obsolete refrigerant and needs a compressor, replacement is genuinely the better answer.

I will give you the numbers either way and let you decide. I am one engineer building a maintenance business — keeping your systems running for years is worth considerably more to me than a one-off replacement sale.

helpFAQ

Commercial AC Repair Questions

Agreement customers get priority when booking a breakdown visit. For non-contract customers I will always tell you honestly when I can realistically attend rather than promising same-day and letting you down — and being based in Orpington, most of BR and DA is a short run.
Most commercial breakdowns come down to a handful of causes: blocked filters and coils choking the airflow, a failed condensate pump flooding the tray and tripping the unit out, an electrical or controls fault, or a refrigerant issue. The first three are the majority.
Yes — that is most of my repair work. Mitsubishi Electric, Daikin, Midea, Toshiba and Fujitsu, wall units, ceiling cassettes, multi-splits and ducted systems.
Yes, at no extra cost. For restaurants, shops and studios a repair carried out before opening or after close is usually worth more than the repair itself.
No. If a repair is sensible I will repair it. If a unit is genuinely beyond economic repair I will tell you why, with the numbers, and you can decide. I would rather keep a maintenance customer for ten years than win one replacement.
Yes, for contract clients. Terms agreed before the first visit rather than argued about after.
Yes, and easily. I do not need their records — I survey what you have, tell you its real condition, and start a clean history.
I tell you, with the numbers. Eighteen years old on an obsolete refrigerant needing a compressor is a replacement. Ten years old needing a controller is not.
Indoor and outdoor, yes. If units sit above a suspended ceiling or on a roof I need safe access arranged — worth mentioning when you book.

Got a System Down?

Fault diagnosis and repair across Orpington, Bromley, Croydon and South East London. Out-of-hours at no extra cost.

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Why It Pays

Why Planned Maintenance Pays

Nobody budgets for air conditioning until it stops. These are the costs that accumulate quietly in the meantime.

Lost trading

A cafe with no cooling in August empties. A restaurant with a failed kitchen system may not open at all. The repair is rarely the expensive part.

No records when someone asks

Insurers, landlords, franchisors and inspectors all ask eventually. A folder of written condition reports is easier than explaining why there are none.

Water damage from blocked condensate

A clogged drain overflows through a ceiling tile onto your floor, your stock or your customers. Entirely preventable on a planned visit.

Breakdowns at the worst time

Commercial AC fails in a heatwave because that is when it works hardest. That is also when every engineer is booked and emergency rates apply.

Staff comfort and productivity

Not a soft issue. An office that is too warm loses output, and it is the complaint that reaches management fastest.

photo_cameraOur Work

Systems I Work On

From single wall units to VRF estates.

Mitsubishi City Multi VRF commercial air conditioning
Mitsubishi Electric City Multi VRF and Mr. Slim outdoor units
callCall Gary — 07717 846247