Yes, the TOKIT Tankless water heater filter can achieve fast heating. This water heater is designed to heat the water flow instantly when it flows through the heating module, so it can achieve fast heating. Usually, users only need to wait for about 3 seconds to get hot water, without waiting for the water in the water tank to be heated like traditional water heaters. This design not only increases the speed of hot water output but also reduces waiting time, making the user experience more convenient and quick.