How fast does a Havells water heater heat water?

Most Havells water heaters, like the Instanio Prime or Monza Pro, heat water very quickly. Small models (10–15 litres) can get hot in about 10–15 minutes, while bigger 25-litre tanks may take around 20 minutes. It also depends on the water temperature and pressure at your home.

Are Havells water heaters safe for high-rise buildings?

Yes, they are designed for high-rise apartments. The multi-function valve controls pressure up to 8 bar, and the dual safety adapters prevent shocks. Many models also have fire-retardant cords and overheat protection.

How long do Havells water heaters last?

With proper usage, the tank and heating element last for many years. Most models come with 5 years warranty on the tank and 2 years on the heating element, so they are reliable even with hard water.

3 Top Havells Water Heaters For Indian Homes (September 2025)

Havells is a name which people trust just by hearing. I was checking out some of their water heaters for home and these 3 seem really good and reliable. So, I enlisted the same in this article! Keep reading.

By : Aman Tiwari
Last Updated on Sep 01, 2025 18:12 IST
Published on Sep 01, 2025 18:12 IST

Being winter ready is really important, and a good water heater makes it much easier. I was checking out some options for home and these three seem really good from Havells. The first one has a 15-liter capacity, heats water in about 15 minutes, comes with a 5-year warranty on the tank, and costs around seven thousand rupees. The second one is also 15 liters, keeps water hot for up to 8 hours, has energy-saving insulation, a strong anti-rust tank, and costs about nine thousand rupees. The third one is bigger, 25 liters, heats water in around 20 minutes, has a strong steel tank, can serve 4 to 5 people at the same time, and costs about eleven thousand rupees. All of these models from Havells have temperature indicators, safety valves, and easy-to-use controls. They keep water hot for long, do not rust easily, and make winter mornings comfortable without any stress.

Explore more options of water heaters in our Home Solutions and Electronics category.

Top Three Products

Havells All New Greta Pro 15L 5 Star Storage Water Heater
This 15 litre storage water heater from Havells is made to handle cold mornings easy. It heats up water fast with 2000 watt power and is build strong so it last long even if water is hard. The tank has a feroglas coating that stops rust. The Mcoloy heating element gives quick hot water and stays good for years. Thick PUF insulation keeps water hot for more time so less power is used.
What Makes It Stand Out
The Whirlflow system which it has makes sure you get almost 20 percent more hot water. It is safe too with fire safe power cord, dual safety plug to stop shocks and a pressure valve that works good even in high buildings.
Specifications
- Capacity: 15 litres
- Power: 2000 watts
- Voltage: 240 volts
- Tank coating: Feroglas anti rust
- Heating element: Mcoloy fast heat
- Insulation: High density PUF
- Max pressure: 8 bar
- Safety: Dual safety adapter
- Cord: Fire retardant
- Weight: 8.79 kg
Pros
- Heats water very quick and saves power
- Strong tank that works even with hard water
Con
- Bit heavy to install alone
Who is it for?
- Great for small to medium families or flats in tall buildings where water pressure is high and hot water needs to be ready fast.
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Havells Monza Pro 10L Storage Water Heater
This 10-litre storage water heater from Havells is perfect if you want fast hot water without taking too much space. It is compact, light at 6 kilograms, and easy to mount on walls. It is ideal for small families, bachelors, or apartments with less space.
What Makes It Stand Out
The tank has Endurashield coating, which fights rust and corrosion even with hard water. The Mcoloy heating element heats water quickly and lasts long. Thick PUF insulation keeps water hot longer while saving electricity. Whirlflow technology gives around 20 percent more usable hot water. Safety is taken care of with a fire-retardant cord, dual safety adapter, and a multi-function valve that controls pressure up to 8 bar, so it works well in high-rise buildings.
Specifications
- Capacity: 10 litres
- Power: 2000 watts
- Voltage: 240 volts
- Tank coating: Endurashield anti-rust
- Heating element: Mcoloy fast heat
- Insulation: High-density PUF
- Max pressure: 8 bar
- Safety: Dual safety adapter
- Cord: Fire retardant
- Weight: 6 kg
Pros
- Heats water quickly and efficiently
- Compact and strong, works well even with hard water
Con
- Smaller capacity, not ideal for larger families
Who Is It For?
- Perfect for bachelors, couples, or small families living in apartments or flats, especially in high-rise buildings where water pressure is strong and space is limited.
02
Havells Instanio Prime 25L Storage Water Heater
This 25-litre storage water heater from Havells is perfect for larger families or homes where many people need hot water at the same time. It heats water quickly with a 2000-watt heavy-duty element and is built strong to last longer.
What Makes It Stand Out
The tank is made of ultra-thick super cold rolled steel that resists corrosion better than normal tanks. Colour-changing LEDs show the temperature from blue to amber so you know when water is ready. Whirlflow technology avoids direct contact between cold and hot water, giving up to 20 percent more hot water and saving energy. It works well in high-rise buildings with a multi-function valve that controls pressure up to 8 bar, keeping it safe.
Specifications
- Capacity: 25 litres
- Power: 2000 watts, 230 volts
- Dimensions: 38W x 60.6H cm
- Material: Acrylonitrile Butadiene Styrene
- Max pressure: 8 bar
- Weight: 11.6 kg
- Mounting: Vertical
- Special Feature: Overheat Protection
- Heat Output: 2000 watts
- Efficiency: High
Pros
- Heats water very quickly and efficiently
- Durable tank that resists corrosion and lasts long
Con
- Takes more space, so not ideal for very small bathrooms
Who Is It For?
- Perfect for large families or flats in high-rise buildings where multiple people need hot water at the same time, and energy efficiency is important.
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Faq's

How fast does a Havells water heater heat water?
+
Most Havells water heaters, like the Instanio Prime or Monza Pro, heat water very quickly. Small models (10–15 litres) can get hot in about 10–15 minutes, while bigger 25-litre tanks may take around 20 minutes. It also depends on the water temperature and pressure at your home.
Are Havells water heaters safe for high-rise buildings?
+
Yes, they are designed for high-rise apartments. The multi-function valve controls pressure up to 8 bar, and the dual safety adapters prevent shocks. Many models also have fire-retardant cords and overheat protection.
How long do Havells water heaters last?
+
With proper usage, the tank and heating element last for many years. Most models come with 5 years warranty on the tank and 2 years on the heating element, so they are reliable even with hard water.

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