Storage water is must for north & north-east India where you get harsh winters however for most of south n west India instant can be enough though it depends on many other factors. Storage Water Geyser comes with 5Liter and above capacity. While Instant water heater comes with below 4L or below capacity with most widely available as 1Liter and 3 Liter instant water geyser.

DescriptionInstant Water HeaterStorage Water Geyser
Capacity1Liter & 3 Liters5Liters, 6Liters, 10Liters, 15Liters, 25Liters
Heating Element2KW, 3KW, 4.5KW2KW, 3KW
ClimateHarsh WintersModerate Winters
AreaKitchen, very small bathroomsMedium size bathrooms
Family Size1-2 person3+ members
Type of bathbucket bathShower , Bath-tub
Lifeless due to high wattage elementlittle higher as heating element is low power
wait time2-3min as small amount is heated in less time10min as large amount with smaller heating element

If you have 4-5members using same bathroom then no doubt storage water geyser is best solution.

Water Heater/Geyser recommendation based on family members.

Use ScenarioRecommended
KitchenInstant Geyser
Bathroom in South or west India 1-2membersInstant Geyser
Bathroom in North or North East India 1-2membersStorage with 6L or 10L
Bathroom in South or west India 4+ members Storage with 6L or 10L
Bathroom in North or North East India 4+ members Storage with minimum 15L
  • Q: Best brand for water geyser?
  • A: (alphabetical order) AO-Smith, Bajaj, Crompton, Havells, V-Guard
  • Q: Which is the safest geyser?
  • A: Electric is mostly safer than Gas geyser. ISI mark is must for a geyser. Pressure depends on how many bar the rated tank can hold. 8bar is must for high rise buildings while minimum is 6.5bar
  • Q: Which tank type is best?
  • A: Glass tank is the best but not found easily otherwise glass coated tank are must.
Crompton Instabliss 3-L Instant Water Heater (Geyser) With Advanced 4 Level Safety (White), Wall Mounting
Crompton Instabliss 3-L Instant Water Heater (Geyser) With Advanced 4 Level Safety (White), Wall Mounting
PRODUCT: Crompton's instant water heater with fast heating function; TECHNICAL SPECIFICATIONS: Wattage: 3000W; Capacity: 3L; Pressure 6.5 bar
₹ 4,400 ₹ 2,598
Crompton Arno Neo 15-L 5 Star Rated Storage Water Heater with Advanced 3 Level Safety (White)
Crompton Arno Neo 15-L 5 Star Rated Storage Water Heater with Advanced 3 Level Safety (White)
PRODUCT: Crompton's energy efficient storage water heater with fast heating; TECHNICAL SPECIFICATIONS: Wattage: 2000 W; Capacity: 15L; Star Rating 5; Pressure 8 bar
₹ 9,500 ₹ 5,999
Bajaj New Shakti Neo 15L Vertical Storage Water Heater Geyser 4 Star BEE Rated Heater For Water Heating with Titanium Armour Swirl Flow Technology Glasslined Tank White 1 Yr Warranty Wall Mounting
Bajaj New Shakti Neo 15L Vertical Storage Water Heater Geyser 4 Star BEE Rated Heater For Water Heating with Titanium Armour Swirl Flow Technology Glasslined Tank White 1 Yr Warranty Wall Mounting
SUITABLE FOR HIGH-RISE BUILDINGS - Pressure withstanding capacity up to 8 bars.; PAID INSTALLATION BY BRAND. Terms & Conditions Applied.
₹ 13,150 ₹ 5,899
Crompton Gracee 5-L Instant Water Heater (Geyser), Wall Mounting
Crompton Gracee 5-L Instant Water Heater (Geyser), Wall Mounting
PRODUCT: Crompton's 5L instant water heater with fast heating function; TECHNICAL SPECIFICATIONS: Wattage: 3000W; Capacity: 5L; Pressure 6.5 bar
₹ 7,299 ₹ 3,498
Havells Instanio 3-Litre Instant Geyser (White/Blue), Wall Mount
Havells Instanio 3-Litre Instant Geyser (White/Blue), Wall Mount
Outer Body: Rust and shock proof ABS outer body for long life; Inner Tank: Stainless steel inner tank of 304 grade
₹ 5,870 ₹ 3,648
  • Havells Instanio 3L 3KW Instant water heater
  • V-Guard Zio Pro 3L 3KW Instant water geyser
  • Crompton Bliss 3L 3KW Instant water heater
  • AO-Smith Green 6L 3KW storage water geyser
  • Crompton 6L 2KW Bliss storage water heater
  • Bajaj New Shakti 2KW 10L storage water heater
  • AO-Smith Green 3KW 10L storage water geyser
  • V-guard Victo Plus 2KW 15L Storage water heater
  • Crompton Solario 2KW 15L storage water geyser
  • V-Guard Divino 25L 2kw storage heater
  • Orient Glazio 2KW 25L storage water heater