What aspects should be considered when choosing a smart toilet?

1. Toilet rough-in distance: The common rough-in distances are 305mm and 400mm, which refers to the distance from the center of the toilet's waste outlet to the wall behind it. Make sure not to get this wrong, or the toilet won’t fit, and you’d have to break tiles and redo it. In short, it’s either 305mm or 400mm. If you get these two dimensions right, buying a toilet will be much easier. If you get a toilet you like, using it will feel very comfortable.

2. Whether the toilet can save water: Toilets are divided into standard and water-saving types, and the water consumption requirements for these two types are different. Standard toilets use ≤9 liters of water; water-saving toilets use ≤6 liters of water.

3. Toilet dimensions: The typical toilet size on the market is usually 30cm–50cm in width, which is standard. Height is not very strict, about 70cm; length is also around 70cm, and should not be less than 62cm. These are the industry standard measurements. These sizes are chosen according to the size of the user's bathroom to match the toilet. Additionally, the user should measure the toilet’s waste outlet diameter, which is important for installation. Generally, the waste outlet diameter is around 30–40 cm, or sometimes 35 cm. These are all ways to measure toilet dimensions.

4. Toilet seat material: Toilets are made of ceramic, which includes the body and the glaze. Good toilets have a high degree of vitrification in the ceramic body, which makes the hardness and density higher, so the toilet is heavier. Therefore, for toilets of the same size, if you lift them, the relatively heavier one has a better-quality ceramic body.

5. Toilet tank mechanism quality: The water-fitting refers to the key mechanism inside the tank, the 'heart.' You can see it by opening the tank lid. Its main function is to automatically store water when not in use and release water smoothly when flushed. It determines the lifespan and comfort of using the toilet.

6. Toilet flushing method: Toilets can be either gravity flush or siphon flush, and the principles are quite different. Gravity-flush toilets have a simple flushing path, short distance, and large pipe diameter. The flushing is quick and water-efficient. The disadvantages are louder noise, smaller water surface, prone to scaling, poorer odor prevention, and smaller water seal surface. Siphon-flush toilets are quieter, easily flush away debris stuck on the surface, and have better odor prevention with more options available. The disadvantage is higher water consumption and a narrower pipe that is more prone to clogging.

7. Toilet price range: Brand determines the price basis. Branded toilets cost differently, and smart toilets are even more expensive. Prices range from a few thousand to over ten thousand.

8. Toilet noise level: Whether the toilet is quiet or not is also a factor in choosing a toilet. A toilet may use a noise reduction device for quieter flushing, but changing the flushing method can also be a good solution. Siphon-jet flushing reduces noise while improving the flushing effect.