Air Conditioning

AZ Autos are fully equipped for the two refrigerants used in car air conditioning systems; R1234yf and R134a. R1234yf is the refrigerant that meets EU Laws and is used in every single new car manufactured for the EU market from 2016. R134a is the refrigerant used on vehicles prior to this.

Vehicle manufacturers recommend that you should recharge your car’s air conditioning system every two years with gas and lubricant, in order to keep it running efficiently. AZ Autos full air con service can be carried out on all makes and models of vehicle, and includes:

  • Checks for musty odours and excessive condensation
  • Drain and evacuate air con system
  • Visual contamination check of oil separated during evacuation process
  • Recharge air con refrigerant gas (‘re-gas’)
  • Replace oil removed during evacuation
  • Check operation and condition of air con compressor drive belt
  • Visually inspect air con refrigerant pressure lines, hoses and connections for leaks or damage
  • Check cooling fan operation
  • Check plenum chamber drains are clear of obstruction

Air conditioning Regas for R134a from £59 inc. VAT

Air conditioning Regas for R1234yf from £160 inc. VAT


Air Conditioning -
Change of Premises

Dear Customer,
We are writing to inform you that AZ Autos after many years in Hitchin  is moving to Icknield Garage, Icknield Way, Letchworth, SG64AD on the 11th of July 2022. Although we are sad to be leaving our current location, we are also extremely excited about the prospect of this new chapter and we hope you will be part of that journey.

The new premises is convenient for both the railway station and also the town centre as well as having an onsite fuel forecourt and convenience store.
As always loan cars will be available for your convenience and  our contact details will remain the same

We are very confident that the fully refurbished new premises will enable us to offer an even higher  level of service coupled with the addition of some new and more up to date facilities. All our highly competent staff will be moving across and look forward to seeing you there.

May we also take this opportunity to thank our large existing customer base and you in particular for your support over the years and look forward to giving you the very best of service in the years to come.

With Kindest Regards

David Alvarez
Managing  Director

Change of Premises