· The promotion period of the 2021 cleaning air conditioner discount is from March 1, 2021 to December 31, 2021.

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· The 2021 air-conditioner cleaning discount is only available during office hours.

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· The 2021 air-conditioner cleaning discount is only valid for air-conditioner cleaning services at the same location and within the same time.

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· The 2021 cleaning air conditioner discount is only applicable to general residential units and indoor units 3 meters or less from the ground. In other cases, a separate quotation must be arranged.

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· Choose to carry out the 2021 cleaning air conditioner discount, enjoy the warranty period of 90 or extend to December 31, 2021, whichever is longer, the warranty content is only limited to water leakage problems, and other problems will be charged separately.

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· If there are various decoration or decoration objects that block the cleaning and air-conditioning service, the customer must disassemble it and be responsible for related expenses, otherwise the company will not be able to provide related services.

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· If the unit is located in Discovery Bay, outlying islands or remote areas, customers must pay an additional $300 area fee.

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· The above offers are subject to relevant terms and conditions.

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​· Chaoyuancheng Engineering Co., Ltd. reserves the right to adjust prices, terms and conditions without prior notice. In case of any disputes, Chaoyuancheng Engineering Co., Ltd. reserves the right to make the final decision on the above terms.