Commercial Air Conditioning in London

Name: FS Drainage Group
Address: Wadham Lodge Kitchener Road, Walthamstow, London, E17 4JP, GB
Telephone: 08006893497
Price range: ££

When the temperature is wrong, the pressure is on whoever is responsible for keeping the building running. You need an air conditioning contractor who responds quickly and fixes the problem properly. FS Group delivers commercial air conditioning in London across offices, retail and multi-tenanted buildings, covering repairs, servicing and new installations.

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What we cover on a commercial air conditioning contract

When cooling fails in an occupied building, you hear about it within the hour. Server rooms and comms cupboards are worse again, since a failed unit there turns into an IT problem rather than a comfort one.

We work across split and multi-split systems, VRF and VRV, cassettes, ducted units, close control and portable provision. Repairs, servicing, filter and coil cleaning, refrigerant leak testing, controls and full system replacement.

Reactive callouts and scheduled servicing sit under one agreement, along with the F-Gas records you need on file when they get requested.

Modern gym with dumbbells, weight plates, punching bag, treadmill, and exercise bike under exposed pipes.

How we handle commercial air conditioning works

Site survey

We log the units, ages and locations, then agree servicing intervals and the cover the building needs.

Fixed quote

Rates and response times confirmed upfront. Repairs and replacements are priced before works begin.

Works carried out

Engineers attend to agreed response times, with servicing scheduled around occupancy where access is restricted.

Sign-off and handover

Service records and F-Gas documentation issued at the visit, with anything flagged priced separately.

UNITS BLOWING WARM OR NOT RUNNING AT ALL

Loss of cooling usually points to refrigerant loss, a failed compressor, a blocked condenser or a controls fault. Our commercial air conditioning in London includes emergency attendance and diagnosis on site, with repairs completed the same visit where parts allow. Temporary cooling can be arranged for server rooms and other areas that cannot wait.

SERVICING THAT HAS SLIPPED

Air conditioning fails quietly. Filters clog, coils foul, condensate drains block and efficiency drops long before the unit stops. Skipped servicing also invalidates most manufacturer warranties. We service to set intervals, clean filters and coils, check refrigerant charge, and flag components heading for failure while replacement is still planned work.

F-GAS AND REFRIGERANT LEAK CHECKS

Systems above certain refrigerant charges need mandatory leak checks at set intervals, with records kept. Missing documentation is a compliance failure, not an administrative one. We carry out the checks, log them properly, and trace and repair leaks rather than topping up a system that will lose the charge again.

AGEING SYSTEMS AND R22 REPLACEMENTS

Older systems reach a point where parts are obsolete and refrigerant is no longer supplied, which makes every fault a replacement conversation. We survey the existing setup, specify what the building needs now rather than matching the old kit, and phase installation so occupied floors keep cooling throughout.

Trusted across London and the South East

Who we cover in London

Managed offices, retail and hospitality groups, hotels, data and comms rooms, healthcare premises, schools, housing associations and the facilities management companies covering them. Buildings where a warm floor generates complaints before lunchtime.

Most clients hold a Priority Account, which fixes response times, agrees rates before the callout and keeps the same engineers on your systems. Over 25 years across London and the South East, more than 12,000 jobs a year, and over 100 commercial clients on the books.

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What working with us actually looks like

When AC work takes place in occupied buildings, access and disruption need to be managed from the start. Tell us your permit, induction and out-of-hours requirements at setup, and we will attend accordingly.

Two-hour attendance

Emergency response across London, day or night, subject to availability.

Access arranged properly

Refrigerant handled by qualified engineers, with the paperwork to match.

Out-of-hours servicing

Planned works run evenings or weekends where occupancy prevents daytime access.

Records at the visit

Service reports and F-Gas logs issued on the day, not weeks later.

One contact across sites

Consolidated reporting and invoicing, whatever the portfolio size.

Why topping up refrigerant is not a repair

Refrigerant does not get used up, so a system running low has a leak. Recharging it will bring the cooling back, but only until the charge escapes again. That means another callout, another bill, and an F-Gas record showing the same unit losing refrigerant every time it is checked.

We pressure test and trace the leak before recharging, so the repair holds. Our commercial air conditioning in London is set up around finding causes rather than restoring cooling temporarily, which keeps your F-Gas position clean and stops the same unit appearing on your callout log every summer.

Other commercial services we cover

Every trade below runs as part of a planned programme or as standalone reactive work.

Planned maintenance

Scheduled works with reactive cover included

Commercial electrical

EICRs, fault finding and emergency lighting

Commercial drainage

Jetting, CCTV surveys and blockage clearance

Heating engineers

Plant room servicing and heating breakdown cover

Boiler installation

New commercial boilers, specified and installed properly

Air conditioning

AC servicing, repairs and full system installs

Commercial roofing

Flat roof repairs, leaks and gutter works

Commercial handymen

Small repairs and fabric jobs, done fast

Refurbishments

Fit-outs and refurbs across occupied commercial sites

Frequently asked questions

How quickly can you attend an air conditioning failure?

We aim to be on site within two hours across London, subject to availability. Priority Account holders have fixed response times agreed in advance, which matters during heatwaves when demand across the city peaks at once.

What does your commercial air conditioning in London cover?

Splits and multi-splits, VRF and VRV systems, cassettes, ducted units and close control. We handle repairs, servicing, filter and coil cleaning, refrigerant leak testing, F-Gas records, control faults and full system replacement across commercial buildings.

How often should commercial AC be serviced?

Most systems need servicing twice a year, before the cooling and heating seasons. Higher-use areas such as server rooms and busy kitchens often need more. We set intervals per unit based on usage rather than applying one schedule everywhere.

Do you handle F-Gas leak checks?

Yes. We carry out mandatory leak checks at the required intervals, keep the records, and trace and repair leaks rather than simply recharging. Documentation is issued at the visit so your compliance file stays current.

Can servicing happen without disrupting the building?

Yes. Works are phased unit by unit so cooling stays on elsewhere, and servicing can run evenings or weekends where daytime access is difficult. We confirm which areas are affected and for how long before we attend.

Can you replace an old system rather than repair it?

Yes. Where parts are obsolete or the refrigerant is no longer supported, we survey the building, specify to current requirements and phase the installation so occupied floors keep cooling while the work is carried out.

Do you work for facilities management companies?

Regularly. We provide overflow capacity and specialist AC support for FM providers and larger contractors across London, working to their reporting formats and response obligations. Unbranded vans are available where required.

Wadham Lodge
Kitchener Road
Walthamstow
London
E17 4JP