New Delhi, Nov. 12 -- The kitchen is probably the last place where you would want to deal with a splash of icy water, particularly when you're washing a pile of utensils or cleaning up after cooking. As winter approaches, having access to warm water at the kitchen sink can make everyday chores considerably more comfortable. While geysers are traditionally associated with bathrooms, instant water heaters are increasingly worth considering for kitchen use, especially in homes where space is limited and hot water is needed in smaller quantities.

Unlike conventional storage geysers, these appliances heat water as it flows through the unit, reducing the need to wait for a tank to heat up. However, picking one for your kitchen requires a littl...