Most of the customers of solar hot water projects are concentrated in groups or units. Hot water is used centrally, and the water consumption is large. Solar energy projects have great prospects, high return on investment, and low equipment depreciation rates. At the same time, solar projects invisibly increase the added value of properties due to their long service life, and achieve the purpose of preserving the added value of properties, so solar projects are ideal projects for enterprises and institutions to invest in. With people's awareness of environmental protection and recognition of the use of solar energy, solar energy projects will surely usher in a bright tomorrow.