This also depends and varies on the particular model you’re investing in. Depending on the water tank size, most models will only take a few minutes to heat up – especially if they have smaller water tank sizes. The clothes pressing should only take a few seconds, usually somewhere between 6–10 seconds. You should repeat the 6–10 seconds press until the cloth is smooth and wrinkle-free. Normally, each piece of fabric shouldn’t take more than a minute.