India, Oct. 31 -- My old geyser had been malfunctioning for years now and every time it would breakdown I would get it repaired. But this year when I turned it on with the changing weather in Delhi NCR, it started showing signs of short circuit. That is when I realized that it was time for me to ditch my old water heater and buy a new one. What I didn't realise is that it would involve so much research. But I did not want to make the same mistake again. After all, a geyser is something I would use every day, especially during the colder months.

So, while shortlisting water heater for my home this year, I looked beyond the basic specifications and paid attention to seven features that could make a real difference in everyday use. I compar...