With our maintenance programmes our skilled engineers will keep your air conditioning system in optimum condition ensuring perfect performance, whatever the level of use. By investing in our air-conditioning maintenance package will help you to take preventative action that will Extend the life of your commercial system Lower long-term costs Reduce your carbon footprint Keep any warranty in place intact Continue to deliver comfort throughout your office space and home. Give you ultimate peace of mind At H&K Services, our maintenance packages can be supplied not only to unlock the advantages mentioned above but to keep you legally compliant. As part of our ongoing maintenance programmes, we ensure your system complies with the latest F-Gas legislation. By law, air conditioning systems that have three kilograms of refrigerant must be serviced twice yearly.