Solar water heater prices in Nepal start from Rs. 34,500 and go up to
Rs. 1,62,500 depending on the brand, capacity in litres, and whether
you need an evacuated tube or copper panel system. At Sewas Mart, we have been supplying
and installing solar water heaters in Kathmandu since 2011 — that is 14 years of knowing
which system works in which Nepali home, which brand holds up after three monsoons, and
which capacity actually covers a family of five without the electric backup running every
evening. Everything on this page is based on that real experience, not a price list copied
from somewhere else.

Solar Water Heater Price in Nepal 2025 — All Brands, All Models

These are our current selling prices, updated April 2025. Every model includes a
built-in electric backup heating element and free delivery plus professional installation
within Kathmandu Valley. Click any model name to see its full specifications.

Appolo Solar Water Heater Price in Nepal

DHI Solar Water Heater Price in Nepal

Neo Solar Water Heater Price in Nepal

Volta Sun Solar Water Heater Price in Nepal

Osmo Solar Water Heater Price in Nepal

Supreme Solar Water Heater Price in Nepal

Ultra Sun Solar Water Heater Price in Nepal

Prices last updated April 2025. All models listed include a 1500W electric backup
heating element with thermostat. Free delivery and professional installation is included
for Kathmandu, Bhaktapur, and Lalitpur. Cash on delivery is available.

How Do You Know Which Capacity Is Right for Your Home?

This is the question that matters most — and most people get it wrong. They either buy
too small (the electric backup runs every evening, erasing their electricity savings) or
too large (they paid Rs. 15,000–30,000 more than they needed to). Here is a
straightforward guide based on what we see in actual Nepal households.

A family of 3–5 people sharing one bathroom, with everyone showering in the morning,
needs a 200
litre solar water heater. This is the most common household in Kathmandu
Valley and the Appolo 15 Tube at Rs. 34,500 handles it cleanly. If you have five
or more people, or two bathrooms in use, or someone always showers in the evening long
after others — move to
250
litres. The extra 50 litres of storage means the last person gets hot water
without the backup element kicking in.

For joint families of six to eight people or homes with two bathrooms both in active
morning use, a
300
litre is the right choice. At that point you have enough stored hot water
to handle two simultaneous showers without depleting the tank. If your household is larger
than that, or you are running a small guesthouse or office, look at
350
litres. For hotels, hospitals, or commercial properties with ten or more
daily users, you need
400
litres or a multi-unit installation — call us and we will size it properly.

One adjustment that most guides miss: if you live in a hilly area — Pokhara, Dharan,
Dhulikhel, Tansen — size up one step from the above. Winter sun hours in hilly Nepal
are shorter than Kathmandu Valley, and monsoon cloud cover is heavier. A Pokhara family
of four that would need a 200L unit in Kathmandu genuinely needs 250L in Pokhara to
avoid evening shortfall through November and December.

Need a smaller system for 2–3 people? Browse our
180
litre models — the most compact option we carry, starting from the
Ultra Sun 15 Tube.

Evacuated Tube or Copper Panel — Which Type Do You Actually Need?

Two types of solar water heaters are available in Nepal, and they serve different
situations. Getting this wrong is an expensive mistake. Here is the honest version.

For most Nepali homes: evacuated tube is the right choice. The standard
rooftop overhead tank setup used in the majority of Kathmandu Valley homes — where water
flows by gravity from a rooftop tank — is exactly what evacuated tube systems are built
for. They work without any pump or electrical input during normal operation, using the
thermosiphon principle: heated water rises naturally into the insulated storage tank.
They also keep working on overcast monsoon days because each glass vacuum tube absorbs
diffuse radiation independently. And if a tube cracks due to hail, you replace that
single tube for Rs. 800–1,500 — not the entire collector.

Copper
panel solar water heaters are the right choice when your building uses a
pressure booster pump. Multi-storey buildings in Kathmandu where bathrooms are supplied
by pump pressure, hotels with high-pressure plumbing, and commercial properties all fall
into this category. Copper panel systems handle pressure that would crack evacuated tubes.
They cost more — the Osmo Three Copper Panel at Rs. 1,62,500 reflects that — but
for a pressurized system, they are not optional.

If you are not sure which plumbing setup your building has, call us before ordering.
Getting the type wrong means returning a unit that cannot be installed — something we
have helped enough buyers avoid that it is worth a five-minute phone call.

We also carry locally
manufactured solar water heaters for buyers where budget is the primary
consideration and local service proximity matters more than imported brand specifications.

Which Brand Should You Choose? An Honest Comparison

Every brand we carry is a genuine product with real after-sales support — we are not
going to tell you one is good and the others are rubbish. The difference is which
specification profile matches your situation.

If budget is your primary constraint and you are in Kathmandu Valley with reasonable
municipal water supply, the Appolo 15 Tube at Rs. 34,500 is the
most affordable complete evacuated tube system available at Sewas Mart. It will do the
job for a 3–5 person household. The DHI 15 Tube at Rs. 36,000 is
similarly priced with consistent build quality. Browse the full
DHI range
if you want to compare across capacities.

If warranty matters most to you — and for a 15–20 year product it should — then
Neo
is the only brand at Sewas Mart offering a 5-year warranty. The Neo Sun Plus 15 Tube
at Rs. 40,990 and the Neo Sun at Rs. 44,990 both carry this coverage.
Neo also has the widest distribution and service network in Nepal, which matters if
you are outside Kathmandu Valley.

If you are in an area with hard borewell water — common in Kathmandu’s outer rings,
most Terai cities, and hilly municipalities — look at
Ultra
Sun or
Supreme.
Ultra Sun’s magnesium anode protection system actively prevents the internal tank
corrosion that hard water causes over years of use. Supreme’s ceramic-coated tank
variant addresses the same problem through a different construction approach. Both
cost more, but for borewell-supplied homes the alternative is a tank that fails
in year 8 instead of year 18.

For high-pressure plumbing or commercial use, browse
Osmo
— the only brand at Sewas Mart offering both evacuated tube and copper panel options
for different plumbing configurations.

How Much Will a Solar Water Heater Actually Save You in Nepal?

The honest calculation matters because this is a Rs. 35,000–1,60,000 purchase and
the payback period determines whether it makes financial sense for you.

A 2 KW electric geyser running 2.5 hours per day through Nepal’s six winter months
(October through March) consumes 5 units of electricity daily. At NEA’s domestic tariff
of Rs. 9.90 per unit for households in the 20–150 unit monthly
consumption bracket, that is Rs. 49.50 per day — approximately
Rs. 1,485 per month just for hot water. Over the six peak months:
roughly Rs. 9,000 per year for a typical Kathmandu Valley household.

A solar water heater eliminates the majority of this. Your electric backup element only
activates during extended cloudy periods — typically a few days per month even during
monsoon season for evacuated tube systems. Most households we have installed for in
Kathmandu Valley see their annual electricity cost for hot water drop from Rs. 9,000
to around Rs. 1,500–2,500 after switching to solar. That is a
saving of Rs. 6,500–7,500 per year.

At a purchase price of Rs. 40,000 for a solid 200L model, your payback period is
approximately 5–6 years. Solar water heaters last 15–20 years with
basic maintenance. You are looking at 10–15 years of essentially free hot water after
payback — no other hot water solution in Nepal offers this.

Does a Solar Water Heater Work During NEA Load Shedding?

Yes — the solar heating function needs zero electricity. The thermosiphon principle
(heated water rising naturally into the tank) requires no pump, no grid power, no
inverter. Your system heats water through every load-shedding hour the sun is out.
The electric backup element is the only part that needs NEA power, and it resumes
automatically when the grid returns.

How Nepal’s Regions Affect Your Choice

Kathmandu Valley: Good year-round solar irradiance. Any evacuated tube
model works reliably. The valley’s December–February fog reduces direct sunlight somewhat —
models with higher-grade tube coatings (Neo, Ultra Sun) maintain better output on foggy
mornings. The most popular residential choice for a Kathmandu family is the Neo Sun Plus
15 Tube at Rs. 40,990 or the Appolo 15 Tube at Rs. 34,500 depending on budget.

Pokhara and hilly regions: Pokhara receives Nepal’s heaviest rainfall and
some of the most persistent monsoon cloud cover. Size up one capacity step from what you
would need in Kathmandu, and prioritise better tube quality. During Nepal’s monsoon,
evacuated tube systems continue producing around 55–70% of normal output on cloudy days
because each tube absorbs diffuse radiation independently — flat-plate copper panels
cannot match this in overcast conditions.

Terai region (Birgunj, Butwal, Chitwan, Dhangadhi): Nepal’s strongest
year-round sunshine. Any model will outperform its spec here. The more important
consideration for Terai buyers is water quality — many borewell sources in the Terai
carry elevated calcium and iron content that scales and corrodes standard stainless steel
tanks over time. For borewell-supplied Terai homes, Ultra Sun or Supreme’s tank
protection technology is a meaningful long-term investment.

Buying a Solar Water Heater from Sewas Mart — What to Expect

We have been doing this since 2011. That means we have seen what goes wrong when
people buy solar water heaters without the right advice, and we have built our
process around preventing those mistakes.

Every purchase from Sewas Mart includes free delivery and professional
installation within Kathmandu Valley (Kathmandu, Bhaktapur, Lalitpur).
Our installation team does a rooftop assessment before mounting — checking structural
load capacity, confirming south-facing orientation for maximum annual solar yield,
and verifying pipe routing from the rooftop to your bathroom. This is not a perfunctory
check. A solar water heater installed facing the wrong direction loses 15–20% of its
annual output. We make sure yours faces correctly.

Cash on delivery is available on all orders. You can also pay securely
online. No advance payment is required for Kathmandu Valley deliveries. For orders
outside the valley — Pokhara, Birgunj, Chitwan, Butwal, and beyond — contact us at
01‑4377714 or
9801078049 and we will confirm delivery
cost and timeline for your city.

All brands we carry are authorized products through legitimate
distribution channels. You receive genuine manufacturer warranty, not a grey-market
import with no claim path. We handle after-sales service for every brand we supply —
tube replacements, backup element servicing, thermostat repairs, annual maintenance.
If something needs fixing after installation, you call us — not the manufacturer directly.

Not sure which model to buy? Call us before ordering. We do free
consultations. Tell us your family size, how many bathrooms, which city you are in,
and whether your water supply is municipal or borewell — we will tell you exactly which
model makes sense and which ones to avoid for your situation.

Visit our store: Maharajganj, Ring Road, Kathmandu  | 
Call: 01‑4377714 /
9801078049 / 9851110842
 |  Hours: Sunday–Friday 9:00 AM–6:00 PM

Frequently Asked Questions

What is the solar water heater price in Nepal?

Solar water heater prices in Nepal range from Rs. 34,500 to
Rs. 1,62,500 at Sewas Mart. The Appolo 15 Tube at Rs. 34,500 is the
most affordable complete evacuated tube system. The Osmo Three Copper Panel at
Rs. 1,62,500 is the premium commercial flat-plate option. Price depends primarily
on brand, capacity in litres, and collector type.

Which is the best solar water heater brand in Nepal?

The best brand depends on your priorities. Neo offers the only 5-year
warranty and strongest Nepal service network. Appolo offers the lowest
price. Ultra Sun has the most advanced tube technology for hilly regions
and hard water. Osmo is the only brand with copper panel systems for
pressurized plumbing. All are authorised at Sewas Mart.

What capacity solar water heater do I need?

For 3–5 people with one bathroom, choose 200 litres.
For 5–6 people or two bathrooms, choose 250 litres.
For 6–8 people or joint families, choose 300 litres.
If you are in a hilly region like Pokhara, size up one step from these — fewer winter
sunshine hours reduce daily output.

Is free installation included?

Yes. Sewas Mart includes free delivery and professional installation for all purchases
within Kathmandu, Bhaktapur, and Lalitpur. Installation includes rooftop assessment,
optimal south-facing mounting, and full plumbing connection. For cities outside the
valley, call 01‑4377714 for delivery arrangements.

Does a solar water heater work during Nepal’s monsoon?

Yes. Evacuated tube systems absorb diffuse radiation on cloudy days — each glass vacuum
tube works independently, so the system keeps heating even when direct sunlight is
blocked. On a typical cloudy monsoon day, expect around 55–70% of normal hot water output.
The 1500W electric backup element compensates automatically during fully rainy periods.

Does it work during load shedding?

The solar heating function needs zero electricity — the thermosiphon principle requires
no pump or grid power. Your system heats water through every load-shedding hour the sun
is out. Only the electric backup element requires NEA power, and it resumes automatically
when the grid returns.

What is the difference between evacuated tube and copper panel solar water heaters?

Evacuated tube systems use glass vacuum tubes, work with non-pressurized
gravity-fed water supply (standard in most Nepali homes), and perform well in overcast
conditions. Copper panel systems use flat copper absorber plates, handle
high-pressure pump-fed plumbing needed in multi-storey buildings, and cost more.
For most Nepali households, evacuated tube is the right choice.

How long does a solar water heater last?

A well-maintained solar water heater lasts 15 to 20 years in Nepal.
Clean the glass tubes every 6 months to remove dust and Kathmandu pollution deposits.
Flush mineral sediment from the tank annually. Check the backup element thermostat
yearly. If a tube cracks, replace it individually for Rs. 800–1,500 — you do not
need to replace the whole system.

What is the solar water heater installation cost in Nepal?

Installation is free for all Sewas Mart purchases within Kathmandu Valley.
For outside the valley — Pokhara, Birgunj, Chitwan, and other cities — call us at
01‑4377714 for delivery and installation cost.
Third-party local installation in other Nepal cities typically costs Rs. 3,000–8,000
depending on rooftop complexity.