Core Viewpoint - The article highlights the rampant issues in the air conditioning repair industry in Jinan, including high prices, unnecessary repairs, and fraudulent practices that consumers frequently encounter [2][3][4]. Group 1: Consumer Experiences - Consumers in Jinan have reported being misled by repair technicians who falsely claim that their air conditioning units require expensive repairs or additional services, such as recharging refrigerant [2][3]. - Specific cases include a consumer who paid 1,000 yuan for repairs that did not resolve the issue, and another who was charged 650 yuan for a service that failed shortly after [3][4]. - Many consumers are unaware of the actual repair needs of their units, leading to exploitation by repair personnel [4]. Group 2: Industry Practices - The air conditioning repair industry is characterized by a lack of transparency and high-pressure sales tactics, with technicians often inflating repair costs to cover their operational expenses [5][6]. - Common tactics include falsely reporting the need for refrigerant recharge, with technicians charging excessively for this service, sometimes claiming a need for 12-15 pressure units instead of the normal 5-6 [5]. - The use of substandard or second-hand parts is prevalent, with technicians often exaggerating minor issues into major repairs to increase their earnings [6]. Group 3: Recommendations for Consumers - Consumers are advised to seek repair services through official brand channels or reputable retailers rather than third-party platforms or unverified advertisements [7][9]. - It is recommended that consumers verify the authenticity of repair service numbers through brand websites and retain all transaction records to support any potential claims against fraudulent practices [9]. - In case of disputes, consumers should report issues to local market supervision authorities or utilize consumer protection hotlines for assistance [8][9].