It is impossible to give an absolute price. Maybe what I bought here is 3000 and what you bought there is 3500 because different dealers have to offer different prices. Although the purchase price is the same, generally speaking, only one warehouse. Solar energy basically costs 110-140 yuan/tube (as long as the quality and quality are guaranteed)! You can also check the price online. All things considered, the most important thing is to look at the buyer's solidity and after-sales warranty, because the maintenance rate of single-bay solar is still a bit high. , and the one-time cost is several hundred.
Recommended "Dr. Sun" solar energy, three warehouse models (no need for water level probes and solenoid valves), heating and hot water utilization rates are fast in rainy weather, and the after-sales service rate is also greatly reduced, which savesr time. It also saves electricity. This model only takes 20-30 minutes to heat without sunlight, while a single warehouse takes 2-3 hours