Save Money on Hot Water with Nepal’s Most Trusted Solar Water Heater Company
Kathmandu Solar Water Heater Repair, Installation & Service
Professional Solar Water Heater Installation, Repair & Maintenance Services in Kathmandu, Lalitpur, Bhaktapur & Across Nepal.
Authorized UltraSun dealer offering genuine solar water heaters with inbuilt electric backup – reliable hot water 24/7, even on cloudy days.
- Genuine UltraSun 5G Solar Water Heaters with Electric Backup
- Professional Installation & Repair Services
- Swimming Pool Heating Solutions
- Street Light & High Mast Light Solutions
Your Trusted Local Partner
Reliable Solar Water Heating Solutions for Homes & Businesses
Kathmandu Solar specializes in Solar Water Heater Installation, Repair & Maintenance across Nepal. Our UltraSun solar water heaters come with built-in electric backup, ensuring you get hot water even during cloudy weather or winter months.
We also provide Swimming Pool Heating Solutions, commercial hot water systems, and Solar Street Light & High Mast Light installations.
Why Choose Kathmandu Solar
At Kathmandu Solar, we don’t just sell products – we deliver complete peace of mind.
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Authorized UltraSun Dealer
We supply genuine UltraSun Solar Water Heaters known for their durability, efficiency and long service life. -
Over a Decade of Industry Experience
Since 2014, we have installed and serviced solar water heating systems across Nepal. -
Expert Installation Team
Our trained technicians ensure every system is installed correctly for maximum performance and reliability. -
Complete Repair & Maintenance Support
From routine servicing to emergency repairs, we help keep your solar water heater operating efficiently year-round. -
Residential & Commercial Expertise
We provide tailored solutions for homes, apartments, hotels, hospitals, schools and industrial facilities. -
Proven Long-Term Cost Savings
Our systems help reduce electricity consumption and lower monthly utility bills for years to come.
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Happy Clients
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Years Local Expertise
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Projects Completed
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Industry Served
Our Solar Water Heater Services in Nepal
Solar Water Heater Installation in Kathmandu Valley & Nepal
Get reliable 24/7 hot water with professional solar water heater installation in Kathmandu, Lalitpur, Bhaktapur, and across Nepal. We specialize in premium UltraSun 5G Solar Water Heaters featuring:
- Capacity recommendation and requirement gain (on digital source)
- Site inspection (if needed)
- Complete installation
- Testing and commissioning (user guidance)
- High-density PUF Insulation (45kg/m³)
- After sales service
Enjoy hot water even in winter and monsoon with Nepal’s most trusted solar geyser installation service.
Solar Water Heater Repair
Experiencing low water temperature, leakage or system performance issues?Our technicians diagnose and repair all major solar water heater problems quickly and efficiently.
- Vacuum tube replacement
- Leakage repairs
- Pipe repairs
- Insulation replacement
- System troubleshooting
- Solar servicing and cleaning
- RO water filter repair
- Street light and high mass light repair
Solar Water Heater Maintenance
Regular maintenance helps maximize efficiency and extend system lifespan.
- System inspection
- Tube cleaning
- Water tank inspection
- Performance testing
- Preventive maintenance
Commercial Hot Water Solutions
- Hotels
- Resorts
- Hospitals
- Schools
- Swimming pool
- Hostels
- Factories
- Apartment and Complexes
Additional Services
- Solar Panel Installation and Rooftop Solar Systems
- Solar Battery Backup and Hybrid Inverters
- Commercial Solar Solutions
- Solar Water Pumps (Omax)
Solar Consultation & Site Assessment
Not sure which solar water heater is right for your property?
Our experts assess your water consumption needs and recommend the most suitable solution.
Our experts assess your water consumption needs and recommend the most suitable solution.
How It Works - Our Simple Process
1. Free Consultation
Share your hot water needs and members
2. Customized Quotation
Transparent pricing and recommendations
3. Professional Installation
Expert team completes the job efficiently
4. Ongoing Support
Testing, Training & After-Sales Support
Featured Solar Water Heater Models and Other Products
Genuine UltraSun 5G Solar Water Heaters with Inbuilt Electric Backup – Designed for Nepal’s Climate
1. UltraSun 5G Evacuated Tube Solar Water Heater (Most Popular)
- Advanced Copper Oxide Evacuated Tube Technology
- Available Capacities: 210L, 250L, 275L, 280L, 300L, 330L, 350L, 360L, 400L, 420L, 490L
- SUS 304 Stainless Steel Tank
- High-density PUF Insulation
- Inbuilt Electric Backup Heating
- Excellent performance even in winter and monsoon
Best For: Homes, Apartments, Small Hotels & Restaurants
2. UltraSun 5G Premium Pressurized Heat Pipe System
- High Pressure Technology (up to 10 Bar)
- Heat Pipe with Glycol for better efficiency
- Strong & Elegant Design
- Inbuilt Electric Backup
Best For: Modern Homes, Villas, Apartments & Hotels requiring good water pressure
3. UltraSun 5G Flat Plate Copper Fin Solar Water Heater
- Heavy Duty Copper Fin Collector Technology
- Toughened Glass Cover
- Excellent Heat Retention
- Ideal for high hot water demand
Best For: Large Families, Hotels, Hospitals, Schools & Commercial Buildings
4. UltraSun 5G Premium Plus (+) Series
- Latest 5G+ Technology with enhanced features
- Superior insulation and durability
- Available in higher capacities
Best For: Premium Homes & Large Commercial Projects
5. Commercial Solar Water Heater Systems
- High Capacity Models (400L to 1000L+)
- Customized solutions for bulk hot water requirement
Best For: Hotels, Resorts, Hospitals, Factories, Hostels & Apartment Complexes
Other Renewable Energy Products
- OMAX Solar Water Pumps - 1HP to 2HP models for agriculture and household use
- Solar Street Lights & High Mast Lights - Energy efficient solar lighting solutions
- RO Water Purifiers - Domestic & Commercial models
- Electric Geysers - Titanium coated backup heaters
Best For: Premium Homes & Large Commercial Projects
Benefits of Solar Water Heater in Nepal
- Significant reduction in electricity bills
- Inbuilt electric backup for reliable hot water
- Eco-friendly and sustainable
- Low maintenance
- Excellent for swimming pool heating
- Designed specifically for Nepal’s climate
Don’t Wait for the Next Load Shedding!
Get your FREE Solar Site Assessment + Quote today
Switch to solar today with Kathmandu Solar – your trusted local expert for premium UltraSun solutions in Kathmandu Valley
- No obligation
- Save up to 70% on your energy bills
- Takes only 10 minutes
Testimonials
Happy Clients, Real Results
Don’t just take our word for it. Here’s what our clients say about working with us.
Latest Solar Insights & Guides
Discover expert tips, buying guides, cost breakdowns, and real customer stories about solar water heaters in Kathmandu. Learn how to save big on electricity bills and enjoy reliable hot water year-round.
Solar Water Heater Installation in Kathmandu Valley – Process, Cost & Tips 2026
Complete pricing breakdown for 200L, 300L & commercial systems + real payback period…
Solar Water Heater Maintenance & Repair in Nepal – Tips to Extend Lifespan
Honest comparison, features, prices, and why these RETS-certified systems perform best in Kathmandu…
Best Solar Water Heater in Nepal 2026: UltraSun 5G Review & Buying Guide
Detailed comparison of costs, lifespan, and monthly savings for Kathmandu families.
Frequently Asked Questions
What is the best solar water heater in Nepal?
The UltraSun 5G Evacuated Tube Solar Water Heater is one of the best choices in Nepal due to its excellent performance in winter, inbuilt electric backup, and long-term reliability.
Can solar water heaters work in winter in Nepal?
Yes. UltraSun 5G models perform very well in cold weather and include inbuilt electric backup for cloudy or winter days.
How much does a solar water heater cost in Nepal?
Prices range from NPR 45,000 to NPR 2,00,000 depending on capacity and model. Contact us for a free quote based on your requirements.
Do you provide solar water heater installation in Kathmandu Valley?
Yes. We provide professional installation in Kathmandu, Lalitpur, Bhaktapur, and across Nepal.
How often should a solar water heater be serviced?
Annual professional servicing is recommended to maintain efficiency and extend the system’s lifespan.
Is solar water heater worth it in Nepal?
Absolutely. Most customers recover their investment within 3–5 years through significant electricity bill savings.
Do you provide repair and maintenance services?
Yes. We offer fast repair, tube replacement, leakage fixing, and annual maintenance contracts.