We are listing all the basic differences in Water heater geyser of Racold & Havells.

You can read the difference highlighted in bold. This difference is for features offered in storage models. For instant geyser model you need to check the specific model for each list.

Racold GeyserHavells Water Heater
Titanium enamel coating steel inner tankGlass coated welded superior steel inner tank
Special Anode Rod for rust protectionAnode Rod for rust protection
Titanium coated Heating elementIncoloy 800 element with glass coating
2 yr comprehensive
2-4 yr heating element(depending on model)
5-7 yr tank warranty (depending on model)
2 yr comprehensive
4 yr heating element
7 yr tank warranty
Free Installation + pay extra water pipeFree Installation + free water pipe
Verdict: We recommend Havells Water Heater Geyser for their extra glass coated heating element & inner tank with extra warranty for peace of mind.
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 ₹ 3,598
Havells Instanio Prime 15 Litre Storage Water Heater (White Blue)
Havells Instanio Prime 15 Litre Storage Water Heater (White Blue)
Colour-changing LEDs that change from blue to amber to indicate the hotness of the water; Incoloy glass-coated heating element offers superior heating performance with excellent
₹ 16,290 ₹ 7,698
Havells Adonia Spin 25-Litre Vertical Storage Water Heater (Geyser) White Blue 5 Star, Wall Mounting
Havells Adonia Spin 25-Litre Vertical Storage Water Heater (Geyser) White Blue 5 Star, Wall Mounting
Product Dimensions: 48.7 cms x 50.8 cms x 52.0 cms
₹ 21,075 ₹ 11,498
Havells Carlo 5 Litre Instant Water Heater, 3000 watt, Warranty: 5 Year on Inner Container and 2 Years Comprehensive (White)
Havells Carlo 5 Litre Instant Water Heater, 3000 watt, Warranty: 5 Year on Inner Container and 2 Years Comprehensive (White)
Type: Instant ; Capacity: 5 Litres; Wattage: 3000 Watts; Pressure: 8 Bars
₹ 10,890 ₹ 4,699
Havells Adonia Spin 15-Litre Vertical Storage Water Heater (Geyser) White Blue 5 Star, Wall Mounting
Havells Adonia Spin 15-Litre Vertical Storage Water Heater (Geyser) White Blue 5 Star, Wall Mounting
Product Dimensions: 44.5 cms x 43.0 cms x 52.0 cms
₹ 21,290 ₹ 9,998

Both Havells and Racold are reliable brands with pan India service and support network.