The ordinary cost of an air conditioning service is in between ₤ 50 and ₤ 200 per unit, with air conditioning engineers billing in between ₤ 20 and ₤ 50 an hour, depending on where you stay in the UK. http://vcequipment.com/__media__/js/netsoltrademark.php?d=www.metooo.co.uk%2Fu%2F67a78ae914e67c35d0e4665e