Best AO Smith Instant & Storage Water Heater Review
AO Smith water heaters are known for fast heating, long-lasting Blue Diamond Glass tanks, high corrosion resistance, and strong safety features. All the models you provided — HSE-SHS-015 (15L), VAS Plus 15L, and EWS Plus 3L Instant — are built for users who need quick hot water, reliable performance, and low maintenance.
The 2000W and 3000W heating elements deliver fast heating, while the glass-lined tank ensures long-term durability even in saltwater areas. Customers consistently appreciate the compact design, strong build, quick heating, and long-lasting hot water retention.
Across all models, AO Smith performs well in high-rise buildings due to high pressure resistance. Real reviews highlight that installation can sometimes be costly, but performance, safety, and heating quality remain strong. Overall, AO Smith is preferred for families, apartments, small spaces, and users who want long life and energy efficiency. Best AO Smith Instant Water Heater Review.
1. AO Smith HSE-SHS-015 – 15 Litre Storage Water Heater
4.1/5 (★★★★☆) — 17,000+ Reviews
Product Overview
Brand: AO Smith
Dimensions: 38.3W x 37.6H cm
Special Features: Overheat Protection, Rustproof, Low Power Consumption
Colour: White with Red Panel
Wattage: 2000W
This model offers powerful 2KW heating, a Blue Diamond Glass lined tank, and 8 bar pressure compatibility, ideal for high-rise buildings. Designed for long life with a strong tank coating and compact body.
Product Features
- Powerful 2000W heating
- Blue Diamond Glass Tank with 2X corrosion resistance
- 8 bar pressure rating for apartments
- Rustproof, compact body
- Overheat protection
- Fast heating performance
- 5-year tank warranty, 2-year comprehensive warranty
Real Customer Reviews
- “Reliable, powerful geyser but no temperature control. Fast heating and premium look.”
- “Giving sudden noise but customer care said it adjusts in 4–6 months.”
- “Excellent customer service, yearly check-ups without any call.”
- “Heats so well that skin burns, works like instant geyser.”
- “Installation costly — extra for PVC pipe and angle valves.”
- “Looks good, fits in small space, LED is small.”
- “Good product, only installation issue. Self-installed due to confusion.”
- “Working great with saltwater, right selection after checking features.”
How to Use
- Switch on the geyser 5–10 minutes before use.
- Wait for the indicator light to turn off (heating complete).
- Use hot water at a steady flow.
- Switch off after use to save energy.
Why It Is Best
- Strong tank durability
- Great for high-rise buildings
- Fast heating
- Space-saving
- Reliable customer service
- Ideal for 2–3 people
2. AO Smith VAS Plus 15L – 5 Star Storage Water Heater
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4.1/5 (★★★★☆) — 1,000+ Reviews
Product Overview
This 15L model is built with a refined design, 5-star BEE rating, corrosion-resistant tank, and long warranty coverage. Best for 3–4 member families who need fast and efficient heating.
Product Features
- 5 Star Energy Rating
- Quick water heating
- Glass-lined corrosion-resistant tank
- 7 years tank warranty
- 3 years heating element warranty
- 2 years overall warranty
Real Customer Reviews
- “Durable, modern design, heats water quickly and retains temperature.”
- “Best value for money, installed quickly.”
- “Solid heating performance, sleek look.”
- “Premium finish, water stays hot long.”
- “Installation delayed, pipe leakage — had to call local plumber.”
- “Smooth performance, easy to use.”
How to Use
- Switch on 5–8 minutes before bathing.
- Allow full heating for better retention.
- Turn off after use.
Why It Is Best
- Ideal power consumption
- Great for families
- Strong after-sales support
- Heats water fast and keeps it hot longer
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3. AO Smith EWS Plus — 3 Litre Instant Water Heater
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4/5 (★★★★☆) — 12,000+ Reviews
Product Overview
Brand: AO Smith
Dimensions: 21.7W x 30.5H cm
Features: High Pressure Resistance, Lightweight, Pressure Release Valve, Rustproof
Wattage: 3000W
A compact 3L instant geyser perfect for kitchen, small bathroom, and high-rise buildings, offering near-instant heating with 3kW power.
Product Features
- 3kW express heating
- Instant hot water
- Pressure release valve
- Rustproof body
- 5-year tank warranty
- Suitable for high-rise apartments
- Compact lightweight design
Real Customer Reviews
- “Exceptional performance, hot water in seconds.”
- “Longevity is great, heats in 4–5 minutes.”
- “AO Smith products last 15 years easily.”
- “Build quality premium; compact size perfect.”
- “Excellent customer care.”
- “Energy-efficient, works smoothly.”
- “Installation easy but wall mount needs improvement.”
- “Perfect for small bathrooms; fast heating always.”
How to Use
- Turn on geyser when starting chores.
- Wait 30 seconds–2 minutes for instant heating.
- Switch off immediately after use.
Why It Is Best
- Ultra-fast heating
- Perfect for small spaces
- Safe for high-rise pressure levels
- Best for kitchen or single users
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Comparison Table
| Model | Capacity | Power | Best For | Pros | Cons |
|---|---|---|---|---|---|
| HSE-SHS-015 | 15L | 2000W | 2–3 people | Fast heating, compact, corrosion-resistant | Installation costly, no temp control |
| VAS Plus 15L | 15L | 2000W | 3–4 people | Energy efficient, long warranty, good design | Installation complaints, pipe leakage |
| EWS Plus 3L | 3L | 3000W | Kitchen / small bathroom | Instant heating, compact, safe for high-rise | No plug, small capacity |
Frequently Asked Questions (FAQ)
1. Is AO Smith a good brand for water heaters?
Yes, customers appreciate the fast heating, long tank life, and corrosion resistance.
2. Which model is best for families?
VAS Plus 15L and HSE-SHS-015 are suitable for 2–4 member families.
3. Is AO Smith good for high-rise buildings?
Yes, all models support high pressure, especially EWS Plus and HSE-SHS-015.
4. Does installation cost extra?
Yes. Many customers reported extra charges for pipes and valves.
5. Which model heats fastest?
EWS Plus Instant (3kW) gives hot water in seconds.
