Air conditioning systems in cars need regular servicing to make sure they run smoothly. A vehicle's air conditioning system becomes less efficient over time as some of the refrigerant gas escapes. At Mark 4, we can diagnose any faults and repair and re-gas your air conditioning system, so you can keep your vehicle at your preferred temperature. Established in 1970, we are one of the most reputable air conditioning businesses in Slough. As an authorised service centre, we carry out specialist car air conditioning maintenance and repairs for all makes and models of cars.

Our car air conditioning specialists can service your car's cooling system so it performs to optimum levels. At Mark 4, we have specialist equipment and tools that enables us to service and repair your car's air conditioning system. To ensure the air conditioning system in your car performs, you need to get it serviced at least every 2 years to ensure the unit is operating correctly and efficiently. Air conditioning allows a steady supply of fresh air into your car, which ensures that your car remains cool, as well as demisting your windows.

Friendly, fast, knowledgeable, & no flannel. That alone is a breath of fresh air in this day & age! Just had the leaking AC condenser replaced on my Berlingo Van which Tony diagnosed for me free of charge on a previous visit. Quoted a fair & competitive price. Being in the motor trade myself, all be it in a slightly different area of expertise, & having already priced up, I know I couldn't get the part's any cheaper myself! During the handful of times i've visited them, these guy's are always busy, but I've noted they bend over backward's to attend to any customer who turn's up, as quickly as they can, other work allowing. Indeed there are very few places nowadays that you could rock up without an appointment & expect to get seen on the same day, so well worth the short wait that might be incurred. Dropped my vehicle to them at 7am, was called at 11 to say it was ready! They're open till 6pm at this time of year, so plenty of time for collection. Having been told about Mark 4 by a colleague of mine also in the trade, I can now also recommend these guys very highly to anyone needing vehicle AC repairs. Its not often, IF EVER, that I sub work out on my own vehicle's, but wouldn't hesitate to use these guy's again! Thanks very much chaps!

These guys never let me down.in this day and age of cash is King Mark 4 is a breathe of fresh air, where providing a top service is the priority and not grabbing customer's cash. Many thanks as always Gents.

My Ac wasn't cooling at all after a regas at Ats Euro master. I was referred to this place to get the system checked. The guy checked and found that a plug wasn't connected to the valve on compressor.co nnected it and ice cold air.

What's new?

Mercedes sprinter compressor, condenser and block valve change.

Posted on Dec 20, 2020  •  Facebook

Porsche Booster Condensers changed and regas R134a.

Posted on Oct 12, 2020  •  Facebook

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