Construction of hot water systems typically includes the following steps:

1. Design Plan: Tailor a suitable hot water system solution based on the type, usage, and requirements of the building.

2. Material Selection: Choose appropriate piping, valves, pumps, and other equipment and materials based on the design plan.

3. Construction Preparation: Prior to the start of construction, the construction area must be cleared, measured, and marked.

4. Pipe System Installation: Arrange and install the pipe system according to the design plan, including water supply pipes, hot water supply pipes, and hot water recovery pipes, etc.

5. Installation Equipment: Install and wire pumps, water heaters, and other equipment.

6. Testing and Tuning: After construction, conduct system testing and tuning to ensure proper system operation.