
Marvellous Aircon Service & Cleaning Singapore
Most visits run fast and leave customers satisfied. Regulars praise named technicians like Seng, Yong, Lucas, and Jeff for their knowledge and warmth. Two reviews flagged upselling concerns: a routine $55 service ballooned to $780 after diagnostics, and another customer paid only for a check-up then found a competitor completed the chemical overhaul their own technician rejected. Communication during problem diagnosis remains uneven.</summary> <parameter name="sentiment_tags">["quick-response", "responsive", "professional-service", "skilled-technicians", "pushy-upselling", "poor-communication"]

