Best 10 Water Heaters (Geysers) in India- A Buying Guide (2022)

Choosing the best geyser for your everyday needs is quite a complicated affair. In order to help you with choosing your best geysers, we have come up with our research “Best 10 Water Heaters (Geysers) in India- A Buying Guide”, Since it is a power-intensive appliance, a lot of factors need to be considered before committing to a single appliance like

  1. The time required for a geyser to provide hot water and the safety and electricity consumption levels,
  2. Size of the family
  3. A prominent misconception is that wattage plays a role in defining electricity consumption. However, it is not so. Several other factors are responsible too.

 Therefore to ease your choice, here in this article “Best 10 Water Heaters (Geysers) in India- A Buying Guide”, we have discussed the importance of different factors in choosing the right appliance for your home.

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Also, check our Top 10 picks of your best water geysers in India

So, let us look at the factors.

Types of Water Heaters/Geysers

Essentially there are two types of water heaters/ geysers

Instant Geyser

Best instant water geysers in India

An instant geyser provides instant hot water as soon as the tap is opened. It also requires less space for wall mounting. At a given time, a maximum of 6 liters. of hot water can be obtained. This is suitable for bachelors or small families for whom one or two buckets of hot water are enough

Below are the selected models of instant water heaters for your kitchen

Bajaj Flora Instant 3 LTR Vertical
Water Heater, White
Check on Amazon
Crompton Solarium DLX 3 Litre Instant
Water Heater (Ivory)
Check on Amazon
Racold Pronto Stylo 1-Litre Instant Water
Heater (White and Tan)
Check on Amazon
Havells Instanio 3-Litre Instant Water
Heater (White/Blue)
Check on amazon
Racold Pronto Neo 3 Litres 3KW Instant
Water Heater (White)
Check on Amazon

Geyser with a Storage Tank

Energy requirements for water heater/geyser

Best 10 water geysers in India

One of the most prevalent misconceptions about water heaters is that higher wattage means higher energy consumption. However, this is not the case. Several factors influence the energy consumption of a water heater/geyser

Standing Loss

One of the most important factors to consider is called Standing loss. As defined by the BEE (Bureau of Energy Efficiency), Standing Loss is the measurement of the amount of energy consumed by a filled water heater at steady--state conditions when the geyser is connected to electrical output but no water is drawn. It is a standard used by the BEE to give the star rating of the water heater. The higher the star, the lower the energy consumption of the water heater.

The volume of Hot water used is the driving factor for measuring electricity consumption. The higher the amount of hot water used the higher is the consumption.

The input water temperature determines how long it will take the geyser to heat. Water from colder places like Shimla will take longer to heat than water from places like Chennai.

The internal thermostat in geysers sets the temperature at 60C for most geysers. However, in some, an external temperature setting is available to adjust the temperature to your requirements.

Bathing temperature is the temperature at which you take a bath which is less than 60C and therefore cold water needs to be added.

Size of the family

The size of the family is another important factor to consider when choosing the best geyser in India for your everyday needs and save energy. Several factors are influenced by the size of the family which are listed below

  • The amount of hot water used by an average family is mentioned in very straightforward guidelines mentioned below


  • Normal bathing with bucket: 15lts/person
  • Bath by showering: 25lts/person
  • Hot water bathtub: 35lts/person
  • Washing clothes: 10lts/person
  • Washing utensils: 5lts/meal

So for a family of 4, a total of 100 liters of hot water bucket should be enough for the whole family to use and therefore the best geyser in India should be built to provide that service.

Best 10 Water Heaters (Geysers) in India- A Buying Guide

Temperature of Bathing

Geysers usually hold water at a temperature of 60C. Clearly, taking a bath at this temperature will result in scalding. The ideal temperature for taking a bath is at the body temperature of 35-37C. That means you need to add cold water to the geyser water before bathing.

Hence, when you want the correct bathing water, you need to know how many units of electricity your geyser consumes and it is really easy with this simple equation

Units consumed = Volume of water x temperature difference x 0.0012

So, if your family uses 100 liters of water per day at 40C with an input water temperature of 20C, your geyser will consume 100x(40-20)x0.0012 = 2.4 units per day which are quite economical.

However, this is not universal to all geysers. Hence we have taken an ideal situation to apply to all solutions.

We have considered other factors like geyser size, standing size, and how you use it.

Standing loss is higher in bigger geysers due to the larger surface area. Therefore, 100 liters. geyser will have a standing loss of more than 1 unit/day, whereas a 70lts geyser will have a standing loss of 0.9 Units/day which results in much less energy consumption. To overcome this issue even for large geysers we suggest you switch on the geyser just before you use the hot water and switch it immediately after to reduce energy consumption.

Size of the Water Heater/Geyser

With all the questions about the energy requirements, the question arises, should you be buying the smallest volume geyser. If the geyser volume is small then even at 60C, to get the same amount of hot water a lot of time will be required and hence higher the energy consumption.

Therefore, to choose the correct sized best geyser, you need to know the amount of water you need in one go. A geyser of an ideal size will generate enough heat that is enough to generate geyser water for immediate use. If 25lts of water is used by a family, then a geyser of 25lts or even 15lts should suffice where the input water temperature is not too low. If two bathrooms are to be serviced where each bathroom will be using 25lts of geyser water, then a geyser with 50 liters. of storage capacity would be ideal for simultaneous use.

For a large family of 4-6 members, the best geyser would be one with a 10-15lts of storage capacity.

AO Smith Storage New Green Series Water Heater SDS-15 ltr Check on Amazon
Bajaj Calenta Storage 10 LTR Vertical Water Heater, White, 4 Star Check on Amazon
V-Guard Sprinhot 10 Litre Water Heater (Ivory) Check on Amazon
Havells Monza EC 5S 15-Litre Storage Water
Heater (Ivory)
Check on Amazon
Orient Electric Enamour Plus 15-Litre Vertical Storage
Water Heater (White)- BEE 5 Star
Check on Amazon
Parryware Steel 5 Star Water Heaters (10 L, White) Check on Amazon

For a smaller family or even a bachelor, a 3liter geyser would suffice.

Importance of Wattage to Choose the Best Geyser in India

The wattage of any geyser determines the amount of time it will take to heat the input water. A geyser with a 5KW heater will heat the water quicker than the one with 3KW wattage. This helps reduce hot water wastage. Choosing a geyser with a higher wattage, however, increases the overall electricity load of the house and may increase the fixed charge component of the electricity bill.

Geyser for Hard Water

Usage of Hard water as an input can corrode the geyser walls and reduce its lifespan. For hard water, a corrosive-resistant water tank needs to be selected.

Below are few selected models suited to be used with hard water.

AO Smith Storage New Green Series Water Heater SDS-15 ltr Check on Amazon
Crompton Amica ASWH-2015 15-Litre Storage Water Heater
(Black and White)
Check on Amazon
Usha Misty 15-litres 2000-Watt 5 Star Storage Water Heater (Twinkling Grey) Check on Amazon
Racold Eterno 2 Storage 15 Liter 2 KW Vertical Water Heater White &
Metallic Blue- 5 Star
Check on Amazon
Havells Puro Plus 25-Litre Storage Water Heater (White) Check on Amazon

Best 10 Water Heaters (Geysers) in India- A Buying Guide


The durability of the product is the measure of the ability of the geyser to withstand adverse conditions and still perform efficiently. With more durable components, the efficiency of the geyser is ensured and makes it more energy efficient.

Proper maintenance of the appliance further ensures that the geyser maintains the proper water temperature even after repeated usage.


Always check the warranty of the geyser you are choosing to buy. High-end geysers provide a warranty of 4-5yrs on the tank and 2-3 years on the body.

Some Points of Advice

  1. It takes a longer time to heat water in colder climates which uses extra power and can increase the electricity.
  2. Your electricity consumption will be more with the more amount of hot water you use. A branded water heater has a lower standing loss that reduces energy consumption. Make sure that the geyser you buy should be branded and have high-quality components to reduce the standing loss.
  3. When hot water is left in the storage tank of the geyser, it uses up more electricity. Switch on the heater right before use and switch off immediately after to minimize wastage and maximize energy efficiency.

Final Words

Choosing the right water heater can be a tough decision. We hope that this review will guide you towards your best geyser and help you in enjoying that perfect geyser water for a long time.

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1 thought on “Best 10 Water Heaters (Geysers) in India- A Buying Guide (2022)”

  1. No doubt If compared to electrical geysers, you need to be more vigil while using gas geysers in the bathroom. You also use gas-based stoves in your kitchen and they also do have risks associated with it but you use gas stoves in your kitchen by maintaining basic safety standards. The same has to be followed if you are using gas-based geysers in your bathroom.
    All the gas-based geysers have safety devices to prevent any mishappenings but to add up you need to be vigilant while using your best gas geysers. Don’t leave it ON when you are not nearby. If used with proper precautions, these gas geysers will be a life saviour if you have frequent electricity probelms in your area.


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