Bajaj Arrmand 35L Storage Water Heater Review (2026): 5-Star Family Geyser with “20% More Hot Water” Claim — Worth It?
If you’re shopping in the 35-litre geyser category, you’re clearly not looking for “just enough” hot water. A 35L storage water heater is typically chosen by families who want:
longer showers without worrying about hot water finishing
comfortable back-to-back bathing for multiple family members
better winter performance in colder regions
a geyser that can support 1 busy bathroom reliably
It is #10 on the top 10 Amazon best-sellers list in the Instant Water Geyser category. The Bajaj Arrmand 35L Storage Water Heater is positioned as a 5-star rated, high-capacity water heater with features like Swirl Flow technology for 20% more hot water, an efficient heating element, and a shock resistant & rust-proof body.
In this full review, I’ll cover what the product is best for, real-world heating expectations, electricity cost, installation tips, maintenance, common mistakes, troubleshooting, and who should buy it.
Quick Verdict (2 Lines)
✅ Recommended for: Families (4–8 members) and shower-heavy homes that want big hot water capacity with strong efficiency.
⚠️ Avoid if: You have a small family or bucket-bath-only use — 15L/25L will save space and electricity.
Comparison Table: Bajaj Arrmand 35L vs Other Geyser Sizes
| Model/Size | Capacity | Best For | Comfort Level | Running Cost | Recommended If |
|---|---|---|---|---|---|
| Bajaj Arrmand | 35L | Big family + long showers | ⭐⭐⭐⭐⭐ | Medium–High | 4+ members, shower usage |
| Storage Geyser | 25L | Family bathroom | ⭐⭐⭐⭐ | Medium | 3–6 members |
| Storage Geyser | 15L | Small family | ⭐⭐⭐ | Low–Medium | 2–4 members |
| Instant geyser | 3L | Kitchen/wash basin | ⭐⭐ | Medium | Short, quick use |
✅ Takeaway: 35L makes sense only if you truly need the capacity. Otherwise, it’s “extra electricity for extra unused water.”
Who Should Buy a 35L Storage Geyser?
A 35L geyser is not for everyone—but for the right home, it’s amazing.
✅ Perfect for:
families with 4–8 people
shower users who want longer showers
colder regions (where inlet water is very cold)
homes where multiple people bathe back-to-back
❌ Not ideal for:
1–2 people households
bucket-only bathing
homes with very small bathroom wall space
Key Features of Bajaj Arrmand 35L (Explained Simply)
1) 5-Star Rated Energy Efficiency
Bajaj lists this model as 5-star rated, which is important because big geysers can otherwise become expensive to operate daily.
A 5-star rating generally means:
better insulation (less heat loss)
fewer reheating cycles
lower power waste
2) “20% More Hot Water” with Swirl Flow Technology — What It Really Means
This model mentions Swirl Flow Technology with claim of “20% more hot water”.
In practical terms, these technologies aim to:
improve internal circulation
reduce premature mixing of hot and cold water inside the tank
make more “usable hot water” available before temperature drops
✅ Real-world result: you may get slightly longer comfortable bathing compared to basic storage geysers of similar size—especially during peak use.
3) Efficient Heating Element
The listing highlights efficient heating element.
What matters here isn’t the marketing term—it’s the result:
consistent heating
decent recovery time even after heavy usage
4) Shock Resistant & Rust Proof Body
Bathrooms are humid. Over time, many geyser bodies:
discolor
rust from outside
weaken due to moisture exposure
This Bajaj model lists a shock resistant & rust-proof engineering thermoplastic body, which improves exterior durability.
Capacity & Hot Water Comfort: What You Can Expect
A 35L geyser gives a premium bathing experience.
✅ Typical home usage:
2–3 showers comfortably, depending on mixing and season
5–8 bucket baths (depending on temperature setting)
easy back-to-back usage without feeling “hot water finished early”
This is why 35L is popular for:
bigger homes
families with peak morning rush
Electricity Cost (Practical Calculation)
This is a key ownership factor.
A 35L geyser typically comes with 2000W heating element in many models in this category (always confirm exact variant).
Let’s assume 2000W = 2kW.
Units consumed (simple math)
2kW × 1 hour = 2 units
But geysers usually run 20–40 minutes per heating cycle.
Typical daily family usage:
30 minutes/day → 2 × (30/60) = 1 unit/day
45 minutes/day → 1.5 units/day
✅ The biggest saver isn’t star rating—it’s how you use it:
switch ON before bath
switch OFF after bath
don’t keep it ON all day
Installation Tips (Important for a 35L Geyser)
35L geysers are heavy. Installation must be done carefully.
✅ 1) Strong wall is non-negotiable
When filled, a 35L geyser becomes extremely heavy.
Install only on:
RCC wall
strong brick wall with heavy-duty anchors
Avoid weak partition walls.
✅ 2) Always use safety valve correctly
The safety/pressure relief valve protects the tank.
never block discharge pipe
never remove it
slight dripping during heating can happen (pressure release)
✅ 3) Use MCB + RCCB/ELCB + proper earthing
This is the #1 safety upgrade:
MCB protects against overload
RCCB protects against shock/leakage
earthing is mandatory
✅ 4) Keep piping short
Long pipelines:
waste hot water
increase electricity consumption
reduce comfort
Install the geyser close to the shower point if possible.
Maintenance (How to Make It Last Longer)
Even premium tanks need basic maintenance—especially in hard water areas.
✅ 1) Descaling (every 12–18 months)
Hard water leads to scale:
slower heating
higher electricity use
lower hot water output
✅ 2) Annual inspection
Once a year check:
wiring terminals
thermostat
safety valve
any leakage signs
✅ 3) Avoid max temperature always
Max temp increases:
scaling
pressure stress
electricity use
Moderate setting is best for comfort + lifespan.
Mistakes to Avoid (Most Common Buyer Mistakes)
❌ Mistake 1: Buying 35L for small family
If you’re only 2–3 people, 25L is already comfortable.
❌ Mistake 2: Keeping geyser ON all day
This kills efficiency and increases bill.
❌ Mistake 3: Installing on weak wall
The most expensive mistake—can cause wall damage and safety risk.
❌ Mistake 4: Ignoring hard water maintenance
Scale slowly destroys heating efficiency. Maintenance matters.
Troubleshooting (Common Issues + Fixes)
Problem 1: Water not hot enough
✅ Fix:
increase heating time (winter needs more time)
check thermostat setting
reduce cold water mixing
if it’s suddenly slower → needs descaling
Problem 2: Heating is taking too long
✅ Fix:
hard water scale likely
schedule service/descaling
check voltage stability
Problem 3: Water dripping from safety valve
✅ Fix:
occasional dripping = pressure release (normal)
continuous dripping = valve issue/high pressure → call technician
❌ never block valve outlet
Problem 4: Geyser not turning ON
✅ Fix:
check MCB
check socket and power
if burning smell occurs → switch off and call electrician immediately
Pros & Cons (Unbiased)
✅ Pros
Large 35L capacity = excellent comfort for families
5-star rating helps control electricity waste
Swirl Flow technology claim for 20% more hot water
Efficient heating element
Shock resistant & rust proof body improves outer durability
❌ Cons
Needs strong wall + careful installation
Higher electricity use than 15L/25L (because larger water volume)
Maintenance is important in hard water areas
Overkill for small households
FAQs:
1) Is Bajaj Arrmand 35L good for family use?
Yes, it is best suited for families and shower-heavy usage.
2) Is 35L geyser too big for small homes?
For 1–3 people, yes. 25L is usually enough.
3) What does “20% more hot water” mean?
It refers to better usable hot water output through Swirl Flow Technology (reduced cold/hot mixing).
4) Is it energy efficient?
Yes, it is listed as 5-star rated.
5) Does it support shower use?
Yes, 35L is excellent for shower comfort.
6) Can it be used in hard water areas?
Yes, but yearly descaling is recommended to maintain performance.
7) How long should I keep it ON?
Typically 30–45 minutes depending on winter temperature and usage.
8) Does it need stabilizer?
Usually not, but if your area has voltage fluctuations, ask electrician.
9) Is wall mounting safe for 35L?
Yes, but only on strong RCC/brick walls with heavy-duty anchors.
10) What is the warranty?
The listing mentions 2-year warranty (check full warranty terms on the Amazon page).
Final Verdict: Should You Buy Bajaj Arrmand 35L?
The Bajaj Arrmand 35L 5-Star Storage Water Heater is a great option if your home genuinely needs high hot water capacity—especially for shower use and bigger families.
Its highlight features like Swirl Flow Technology (20% more hot water claim), 5-star rating, and rust-proof shock-resistant body make it a solid comfort-first geyser choice.
However, if your family is small, don’t overspend—25L or even 15L will save electricity and space.
Buy Bajaj Arrmand 35L Storage Water Heater:
👉 Bajaj Arrmand 35L 5-Star Storage Water Heater for Bathroom at the cheapest and lowest price with bank offers, if you compare with similar products and sites.
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