How long do the Stainless Steel Water Bottles keep water hot or cold for? June 14, 2022 20:14 Updated Follow They are designed to keep your drinks cold for up to 24 hours and hot for up to 12 hours. Related articles Are the Stainless Steel Water Bottles BPA-Free? How do I clean my AquaTru stainless Steel Water Bottle? Stainless steel water bottle specs and materials What is "Waste Water"? Where can I see AquaTru's certified test results?