The Impact of Home Central Air Conditioning Installation Service on Revenue and Profit

China's household central air conditioning is a market worth billions, with a market penetration rate of less than 20%. The market size is expected to double in the next five years. At present, the brand concentration of this category is not high, and the key reason is that installation services cannot be standardized, and labor costs vary in different regions of China, making it impossible to achieve sales through online nationwide unified quotations. At present, there are two sales models in the home central air conditioning sales market: one only sells air conditioning equipment and does not provide installation services; One is to sell air conditioning equipment and provide installation services. This article aims to analyze sales data from different regions, channels, and whether installation services are provided through comparative experiments, in order to determine the impact of installation services on profits.