5-star vs 3-star geyser: Does the energy rating make a difference to electricity bills and long-term household savings?
Understand how 3-star and 5-star geysers differ in power consumption, efficiency and running costs to choose the right water heater for your household.
Our Picks
FAQs
Our Picks
| Product | Rating | Price |
|---|---|---|
Bajaj Shield Series New Shakti 25L Storage Wall Mount Water Heater For Home, | Glasslined Tank | 5-Star Rated Geyser, Child Safety Mode, 7-Yr Tank, 6-Yr Element, 2-Yr Product Warranty,【White & Grey】View Details ![]() | ₹7,765 | |
![]() | ||
Crompton Amica Pro 25L | Free Installation | 5‑Star Storage Water Heater (Geyser) | Glassline Tank for Hard Water | 8 Bar High‑Rise Pressure | 5‑Level Safety | Rust‑Proof Body | 2kW Fast HeatingView Details ![]() | ₹7,999 | |
![]() | ||
ACTIVA Inferno 6 L Instant Water Geyser | BEE 5-Star Rating | Powerful Copper Heating Element | ISI Marked | Energy Efficient | 5 Safety Protections | Compact Wall-Mounted Design | 5-Year WarrantyView Details ![]() | ||
![]() | ||
Havells All New Bianca+ 25L 5 Star 3-in-1 Convertible Storage Water Heater(Geyser)|Dual Element|33% Fast Heating|Shock Safe Plug|7 Year Tank & 5 Year element Warranty|Free Installation & Flexi pipeView Details ![]() | ₹14,990 | |
![]() | ||
Crompton Regera Horizontal 10L 3‑Star Storage Water Heater | Superior Glassline Tank for Hard Water| Free Installation| 10 Bar High‑Rise Pressure| 5‑Level Safety| Rust‑Proof Body | 2000W Fast HeatingView Details ![]() | ₹8,099 | |
![]() | ||
Research-Backed Choices
Every product we recommend is chosen through a combination of Primary Research and Secondary Research.

When buying a geyser, the energy rating can make a difference to your electricity bills and long-term savings. A 5-star geyser is generally more energy-efficient than a 3-star model, helping reduce power consumption while delivering hot water for everyday use. However, the initial purchase price is often higher, making it important to consider your budget and usage habits.
A 3-star geyser may be a practical choice for households with occasional hot water requirements or limited budgets. In contrast, a 5-star model can be worth considering if you use hot water regularly, particularly during winter. Before making a decision, compare capacity, heating performance, insulation and energy consumption to find a geyser that suits your household needs and your typical daily routine.
Amazon offers a wide range of 3-star and 5-star geysers across brands, capacities and price points, with discounts galore to make your purchase more budget-friendly. We have put together a list of geysers for your perusal, featuring options to suit different household needs and budgets. Check them out here.
1. AO Smith Geyser 25 Litre 5 Star Rating (BEE), Vertical Water Heater | Geyser 25 Ltr For High Rise Building | 7 Year Tank Warranty, 2 Year Comprehensive Warranty | SDS-GREEN-025
The AO Smith 25-litre geyser is designed to meet the hot water requirements of medium-sized households. Its storage capacity makes it suitable for regular bathing and other domestic needs. The 5-star BEE rating indicates its energy efficiency, while the vertical mounting design helps save bathroom space. It also features a tank protection system and safety mechanisms for everyday use. The product comes with separate tank and comprehensive warranty coverage.
Specifications
Reasons to buy

5-star BEE rating

8-bar pressure support
Reason to avoid

Relatively longer heating time

Requires dedicated wall space
What buyers are saying on Amazon?
Buyers appreciate its heating performance, build quality and suitability for high-rise buildings.
Why choose this product?
Its 25-litre capacity, 5-star rating and Blue Diamond tank coating support everyday hot water needs.
2. Bajaj Shield Series New Shakti 25L Storage Wall Mount Water Heater For Home, | Glasslined Tank | 5-Star Rated Geyser, Child Safety Mode, 7-Yr Tank, 6-Yr Element, 2-Yr Product Warranty,【White & Grey】
Our Principles
Full Transparency
Every product review clearly lists the Pros and Cons, giving you a balanced view.
Brand Confidence
We focus on products from brands with a proven reputation and long-standing market trust.
The Bajaj Shield Series New Shakti 25-litre geyser is designed for households requiring a regular supply of hot water. Its storage tank and 5-star BEE rating make it suitable for everyday domestic use. The glass-lined tank offers corrosion protection, while the child safety mode adds an extra layer of protection. It also features surge protection and Swirlflow technology. The geyser comes with separate warranties for its tank, heating element and product.
Specifications
Reasons to buy

5-star BEE rating

Child safety mode
Reason to avoid

Requires wall space

Fixed 25L capacity
What buyers are saying on Amazon?
Buyers rate the product 4.2/5, based on 20 reviews.
Why choose this product?
Its glass-lined tank, surge protection and separate warranties offer practical features for everyday use.
The AO Smith 15-litre geyser is designed for everyday hot water requirements in smaller households. It features a 2kW heating element and a 5-star BEE rating for energy efficiency. The Blue Diamond glass-lined tank offers enhanced corrosion resistance, while the vertical wall-mounted design helps utilise bathroom space. Its safety features include a thermostat, thermal cut-out and multifunctional safety valve. The product comes with separate tank and comprehensive warranty coverage.
Specifications
Reasons to buy

5-star BEE rating

Enhanced tank protection
Reason to avoid

Limited 15L capacity

Requires wall mounting
What buyers are saying on Amazon?
Amazon buyer feedback could not be independently verified for this specific model.
Why choose this product?
Its 2kW heating, 5-star rating and corrosion-resistant tank make it suitable for everyday use.
4. Crompton Amica Pro 25L | Free Installation | 5‑Star Storage Water Heater (Geyser) | Glassline Tank for Hard Water | 8 Bar High‑Rise Pressure | 5‑Level Safety | Rust‑Proof Body | 2kW Fast Heating
The Crompton Amica Pro 25-litre geyser is designed for households that need a regular supply of hot water. Its 2kW heating element supports everyday heating, while the 5-star BEE rating indicates energy efficiency. The glassline-coated tank helps resist corrosion and scale formation, making it suitable for hard-water conditions. With support for up to 8-bar pressure, this storage water heater is also designed for use in high-rise buildings and apartment complexes.
Specifications
Reasons to buy

5-star BEE rating

8-bar pressure support
Reason to avoid

Requires wall mounting

No instant heating
What buyers are saying on Amazon?
Amazon buyer feedback themes could not be independently verified for this listing.
Why choose this product?
Its 25-litre capacity, hard-water protection and 5-star rating make it suitable for regular household use.
The ACTIVA Inferno 6-litre instant geyser is designed for households looking for quick hot water without extended heating time. It features a copper heating element and a 5-star BEE rating for energy efficiency. Its compact, wall-mounted design makes it suitable for bathrooms and kitchens with limited space. The geyser also comes with an ISI mark, multiple safety protections and a corrosion-resistant stainless steel tank for everyday use.
Specifications
Reasons to buy

5-star BEE rating

Fast copper heating
Reason to avoid

Limited 6L capacity

Higher power requirement
What buyers are saying on Amazon?
Buyers appreciate its quick heating, compact design and practical performance for everyday household use.
Why choose this product?
Its 3000W copper element, compact design and multiple safety protections support quick hot water access.
The Havells Bianca+ 25-litre geyser is designed for households with regular hot water requirements. Its dual-element heating system offers three heating modes, allowing users to adjust power consumption according to their needs. The 5-star BEE rating indicates energy efficiency, while the Feroglas-coated inner container helps resist corrosion. It also features high-density PUF insulation, a shock-safe plug and Whirlflow technology for improved hot water output.
Specifications
Reasons to buy

3-in-1 heating modes

33% faster heating
Reason to avoid

Requires wall mounting

Higher installation space requirement
What buyers are saying on Amazon?
Amazon-specific buyer feedback could not be independently verified for this listing.
Why choose this product?
Its convertible heating modes, corrosion-resistant tank and shock-safe plug offer practical everyday benefits.
The Crompton Regera 10-litre geyser is designed for households with moderate hot water requirements. Its 2kW heating element supports everyday water heating, while the 3-star BEE rating indicates its energy efficiency. The glassline-coated tank helps protect against corrosion and hard-water deposits. Its horizontal mounting design makes it suitable for bathrooms with limited vertical space. The geyser also features multiple safety mechanisms and supports high-pressure water applications.
Specifications
Reasons to buy

3-star BEE rating

10-bar pressure support
Reason to avoid

Limited 10L capacity

Horizontal installation required
What buyers are saying on Amazon?
Amazon buyer feedback could not be independently verified for this specific model.
Why choose this product?
Its compact capacity, glassline tank and horizontal design suit bathrooms with limited installation space.
The Crompton Regera 25-litre geyser is designed for households with regular hot water requirements. Its 2kW heating element supports everyday water heating, while the 3-star BEE rating indicates its energy efficiency. The glassline-coated tank helps protect against corrosion and hard-water deposits. Its horizontal mounting design makes it suitable for bathrooms with limited vertical space. The geyser also features safety mechanisms and a rust-resistant body for everyday use.
Specifications
Reasons to buy

25-litre storage capacity

Glassline tank protection
Reason to avoid

Requires horizontal installation

Relatively longer heating time
What buyers are saying on Amazon?
Amazon-specific buyer feedback could not be independently verified for this listing.
Why choose this product?
Its 25-litre capacity, glassline coating and horizontal design suit everyday household hot water requirements.
The Crompton Regera 15-litre geyser is designed for households with regular hot water requirements. Its 2kW heating element supports everyday water heating, while the 3-star BEE rating indicates its energy efficiency. The glassline-coated tank helps protect against corrosion and hard-water deposits. Its horizontal mounting design makes it suitable for bathrooms with limited vertical space. The geyser also features multiple safety mechanisms and a rust-resistant body for everyday use.
Specifications
Reasons to buy

15-litre storage capacity

Glassline tank protection
Reason to avoid

Requires horizontal installation

Relatively longer heating time
What buyers are saying on Amazon?
Amazon-specific buyer feedback could not be independently verified for this listing.
Why choose this product?
Its 15-litre capacity, glassline coating and horizontal design support everyday household hot water needs.
What is a 5-star geyser?
A 5-star geyser has a high BEE energy-efficiency rating, indicating lower electricity consumption and better energy savings during regular use.
Which type of geyser is best?
A storage or instant geyser depends on household needs, water usage, available space, installation requirements and daily hot water consumption.
Which is better, a 3-star or 5-star geyser?
A 5-star geyser is generally better for energy savings, as it consumes less electricity than a comparable 3-star model.
Factors to keep in mind while buying the either 5-star or 3-star geyser
Capacity: Choose a suitable tank size based on household members and daily hot water requirements.
Energy consumption: A 5-star model generally offers better energy efficiency than a comparable 3-star geyser.
Heating performance: Check the wattage and heating time to understand how quickly water gets heated.
Tank protection: Look for corrosion-resistant coatings, especially if your home receives hard water.
Safety features: Check for thermal cut-outs, pressure release valves and overheating protection.
Installation requirements: Consider bathroom space, mounting design and water pressure compatibility before making your purchase.
3 best features of 5-star/3-star geysers
| Product | Warranty Coverage | Tank Capacity | BEE Star Rating |
| AO Smith SDS-GREEN-025 | 7-year tank, 2-year comprehensive | 25L | 5 Star |
| Bajaj Shield New Shakti | 7-year tank, 6-year element, 2-year product | 25L | 5 Star |
| AO Smith HSE-SHS-015 | 5-year tank, 2-year comprehensive | 15L | 5 Star |
| Crompton Amica Pro | Verify exact variant | 25L | 5 Star |
| ACTIVA Inferno | 5-year warranty | 6L | 5 Star |
| Havells Bianca+ | 7-year tank, 5-year element | 25L | 5 Star |
| Crompton Regera Horizontal | 2 years | 10L | 3 Star |
| Crompton Regera Horizontal | 2 years | 25L | 3 Star |
| Crompton Regera Horizontal | 2 years | 15L | 3 Star |
Similar articles for you
I replaced my rusted geyser: 7 features I tested before buying my 2026 water heater
Disclaimer: At Hindustan Times, we help you stay up-to-date with the latest trends and products. Hindustan Times has an affiliate partnership, so we may get a part of the revenue when you make a purchase. We shall not be liable for any claim under applicable laws, including but not limited to the Consumer Protection Act, 2019, with respect to the products. The products listed in this article are in no particular order of priority.


E-Paper



