Buy NoH2o vouchers for deals on Car Valet Service. Our car valeting service is located at car parks in Dublin city. Mini valet includes: Full valet includes: Despite having cleaned over 15,000 cars, NoH2O didn’t spill a single drop of water. All the products used during the cleaning process are waterless, free from kerosene, silicones and abrasive agents. NoH2O provides car cleaning services ranging from express wash to full inside and outside valet. Featuring an online computerised check-in system and live CCTV monitoring of all units, NoH2O aims to guarantee the safety of the cars and the belongings left inside.