This article presents the best heaters on the market.
These articles are for heater buying guides so that you can understand the fundamentals while purchasing a heater.
The comparison of heater types to help you understand the differences.
There are how-to, what-is, and heater power consumption calculator articles where you can find an answer to your question.
The most recent room heater launches in India can be found here.
The most recent water heater (geyser) launches in India can be found here.