What brand of instant water heater is better? Recommend it?

Most people will have this trouble, that is, to use hot water to refrigerate water first. The waiting process is time-consuming and wastes water, so I recommend Haier zero-cooling water heater. Haier zero cold water gas water heater has a built-in hot water circulating pump, which will preheat the cold water in the pipeline in advance, and can guarantee the hot water to come at any time. The water server actively adjusts water and controls temperature, stabilizes pressure and controls flow, and cooks and bathes at the same time, so that multi-point water use does not interfere with each other, ensuring the double constant water quantity and temperature of the whole house; 0. 1 There is no temperature difference, and the constant temperature is just right for skin. Safety lock at 50℃, the water temperature does not exceed 50℃ at the highest. Even if the baby takes a bath alone, he is not worried about being scalded by too high water temperature.