India, Nov. 11 -- Winter mornings have a way of rushing everyone. The first shower is barely warm, the second turns chilly, and pressure dips just when you need to rinse shampoo. You fiddle with the mixer tap, add a little cold, then lose the heat altogether. Hard water leaves scale, the flow slows, and the tank never seems to recover before school or office. It feels like the bathroom is working against you.

This is where tankless water heaters help, provided you pick the right size and install them properly. Hot water starts as you open the tap, so back to back showers stay consistent. List what runs together, note your city's winter inlet temperature, and match the litres per minute you actually need. Choose gas or electric, add safe ...