Top 10 Racold Solar Water Heater: 100L, 200L, 300L Compared
Every morning, the geyser switches on.
Hot water runs. The electricity meter spins. The bill arrives at the end of the month, and the geyser has contributed its quiet but significant share to the total.
For most Indian households, water heating accounts for 15 to 20 percent of total electricity consumption. That is a substantial and consistent expense. And it can be almost eliminated with the right solar water heater.
Solar water heaters in India have improved considerably over the last decade. They are more efficient, more durable, and more affordable than before. Government subsidies make them even more financially attractive. And India’s abundant sunlight means they work reliably across most of the country for most of the year.
This guide covers the top 10 solar water heaters in India, compares 100L, 200L, and 300L capacity options, and helps find the right system for different households and budgets.
Best Racold Solar Water Heater
ETC vs FPC: Which Type of Solar Water Heater Should You Choose?
Before comparing brands, understanding the two main types is important.
ETC: Evacuated Tube Collector
- Glass tubes with vacuum insulation collect solar energy.
- Works well even on partially cloudy days.
- More efficient in colder climates and winters.
- Lower maintenance requirements overall.
- More affordable than FPC systems.
- Most popular type in Indian homes today.
FPC: Flat Plate Collector
- A flat metal absorber plate collects solar heat.
- More durable in coastal and humid climates.
- Handles hard water conditions better than ETC.
- Longer lifespan when properly maintained.
- Higher upfront cost than comparable ETC systems.
- Better choice for areas with consistent, strong sunlight.
Which to choose: ETC suits most Indian households. FPC is better for coastal areas, hard water regions, or premium long-term installations.
How to Choose the Right Capacity
Choosing the correct capacity is the most important decision.
100 Litre Solar Water Heater
- Suitable for 2 to 3-person households.
- Covers daily hot water needs for small families.
- Ideal for 1 to 2 BHK apartments.
- Most affordable entry point for solar water heating.
- Occupies minimal rooftop space.
- Recommended for nuclear families or bachelor households.
200 Litre Solar Water Heater
- Suitable for 4 to 6-person households.
- Covers a medium-sized family’s daily requirements.
- Standard choice for 3 BHK homes.
- Most popular capacity across India.
- Good balance of cost and coverage.
- Recommended for most typical Indian families.
300 Litre Solar Water Heater
- Suitable for 6 to 8-person households.
- Covers joint families or larger homes.
- Suitable for homes with high hot water usage.
- Good for households using bathtubs regularly.
- Higher upfront cost but maximum savings.
- Recommended for large families or guesthouses.
| Top 10 Solar Water Heaters in India | ||||
|---|---|---|---|---|
| Brand | Capacity Options | Type | Approx Price | Best For |
| Racold Solar | 100L, 200L, 300L | ETC and FPC | Rs. 15,000 to Rs. 55,000 | Homes and apartments |
| V-Guard Solar | 100L, 200L, 300L | ETC | Rs. 14,000 to Rs. 50,000 | Reliable everyday use |
| Supreme Solar | 100L, 200L, 300L | ETC | Rs. 12,000 to Rs. 45,000 | Budget-friendly option |
| Havells Solar | 100L, 200L | ETC | Rs. 16,000 to Rs. 40,000 | Trusted brand buyers |
| Tata Power Solar | 100L, 200L, 300L | ETC and FPC | Rs. 18,000 to Rs. 60,000 | Premium quality seekers |
| Emmvee Solar | 100L, 200L, 300L | ETC | Rs. 13,000 to Rs. 48,000 | South India and humid zones |
| Greentek Solar | 100L, 200L, 300L | ETC | Rs. 11,000 to Rs. 42,000 | Affordable reliability |
| Nuetech Solar | 100L, 200L, 300L | ETC | Rs. 12,500 to Rs. 44,000 | Value for money |
| BHEL Solar | 200L, 300L | FPC | Rs. 22,000 to Rs. 65,000 | Government and institutional |
| Jain Irrigation Solar | 100L, 200L, 300L | ETC | Rs. 13,500 to Rs. 46,000 | Agricultural and rural areas |
Prices vary based on capacity, installation complexity, and location. Government subsidies can reduce costs further.
Top 10 Solar Water Heaters Reviewed
1. Racold Solar Water Heater
Capacity: 100L, 200L, 300L Type: ETC and FPC Price: Rs. 15,000 to Rs. 55,000
Racold is one of India’s most recognised water heating brands. Solar water heaters from Racold maintain that strong reputation. Both ETC and FPC models are available. Build quality is consistently good across capacities. The 200L model is particularly popular nationwide. The after-sales service network is wide and reliable. Suitable for apartments and independent houses equally. One of the safest choices for first-time buyers.
Key Features:
- Double-walled insulated storage tank
- Anti-corrosion inner tank coating
- Available with and without electric backup
- 5-year tank warranty on most models
- Wide service network across India
Pros: Reliable brand, strong service network, consistent performance. Cons: Slightly premium-priced compared to budget alternatives. Best for: Households wanting a trusted, well-supported brand.
2. V-Guard Solar Water Heater
Capacity: 100L, 200L, 300L Type: ETC Price: Rs. 14,000 to Rs. 50,000
V-Guard is trusted across South India for electrical products. Solar water heaters maintain that reliability standard. ETC technology performs well across Indian climates. The inner tank uses stainless steel construction. Borosilicate glass tubes handle thermal shock well. Insulation keeps water hot for 24 to 36 hours. Service support is strong in South and West India. Good value at every capacity level.
Key Features:
- Borosilicate glass vacuum tubes
- SS 316 grade stainless steel tank
- 24 to 36-hour water temperature retention
- An electric backup option is available
- 5-year warranty on tank
Pros: Excellent build quality, strong insulation, trusted brand. Cons: The service network is weaker in North India. Best for: South and West Indian households seeking reliable daily performance.
3. Supreme Solar Water Heater
Capacity: 100L, 200L, 300L Type: ETC Price: Rs. 12,000 to Rs. 45,000
Supreme Solar is a strong budget-to-mid-range option. Performance is solid across all three capacities. The ETC system works efficiently in Indian conditions. Inner tank quality is reliable for the price. Temperature retention is good for 24 hours typically. Widely available across online and offline channels. A practical choice for cost-conscious households. One of India’s most widely sold solar water heaters.
Key Features:
- High-quality ETC glass tubes
- Stainless steel storage tank
- Good heat retention for 24 hours
- Simple installation and maintenance
- Available in multiple configurations
Pros: Affordable pricing, widely available, reliable performance. Cons: The service network is less comprehensive than that of premium brands. Best for: Budget-conscious households wanting proven performance.
4. Havells Solar Water Heater
Capacity: 100L, 200L Type: ETC Price: Rs. 16,000 to Rs. 40,000
Havells is one of India’s most trusted electrical brands. The solar water heater range reflects that quality standard. Build quality is noticeably above budget alternatives. Glass tubes are high-grade borosilicate. The tank uses food-grade stainless steel. Havells’ nationwide service network is a major advantage. Fewer capacity options than some competitors. A premium choice in the mid-range segment.
Key Features:
- Premium borosilicate glass vacuum tubes
- Food-grade stainless steel tank
- Excellent nationwide service support
- Strong brand warranty terms
- Sleek design for rooftop installations
Pros: Premium build, outstanding service network, trusted brand. Cons: Limited capacity range, higher price than budget options. Best for: Households prioritising brand trust and service reliability.
5. Tata Power Solar Water Heater
Capacity: 100L, 200L, 300L Type: ETC and FPC Price: Rs. 18,000 to Rs. 60,000
Tata Power Solar is the premium choice on this list. Build quality and component quality are both excellent. Both ETC and FPC configurations are available. The FPC models are particularly well-suited to coastal regions. Warranty terms are among the best in the market. After-sales support is reliable and nationwide. The price is higher than that of most competitors. The quality justifies the additional cost for serious buyers.
Key Features:
- Premium-grade ETC and FPC options
- High-grade stainless steel inner tank
- Anti-scaling treatment for hard water areas
- Long-term performance warranty
- Comprehensive installation and after-sales support
Pros: Highest quality on this list, excellent warranty, and both ETC and FPC available. Cons: Most expensive option, premium pricing throughout. Best for: Buyers wanting the best quality available regardless of price.
6. Emmvee Solar Water Heater
Capacity: 100L, 200L, 300L Type: ETC Price: Rs. 13,000 to Rs. 48,000
Emmvee is a Bangalore-based manufacturer with strong credentials. Particularly well-regarded in South India and humid regions. ETC performance in coastal conditions is reliable. Build quality is consistent across the capacity range. The 200L model offers excellent value for money—good temperature retention even on overcast days. The service network is strong in the Southern states. A practical and reliable choice overall.
Key Features:
- High-performance ETC glass tubes
- Stainless steel tank with good insulation
- Performs well in humid and coastal conditions
- 24-hour heat retention capability
- Available with an electric backup element
Pros: Strong South India presence, reliable humid-climate performance, good value. Cons: Less prominent in North Indian markets. Best for: South Indian households wanting locally supported quality.
7. Greentek Solar Water Heater
Capacity: 100L, 200L, 300L Type: ETC Price: Rs. 11,000 to Rs. 42,000
Greentek offers some of the most competitive pricing available. Performance is solid for everyday household use. ETC technology is efficient across Indian conditions. Build quality is reliable without being premium. A practical choice for households on a tighter budget. Widely available through online channels. After-sales service is adequate in most urban areas. Good starting point for first-time solar water heater buyers.
Key Features:
- Standard ETC glass tube system
- Stainless steel storage tank
- Basic electric backup option available
- Affordable across all three capacity sizes
- Simple installation process
Pros: Most affordable pricing on this list, decent performance. Cons: Build quality and service are not at premium levels. Best for: Buyers with the tightest budget wanting solar heating benefits.
8. Nuetech Solar Water Heater
Capacity: 100L, 200L, 300L Type: ETC Price: Rs. 12,500 to Rs. 44,000
Nuetech is a respected mid-range brand with consistent performance. The Pramukh series is particularly well regarded. ETC technology performs well across North and Central India. Temperature retention is solid at 24 to 30 hours. Build quality sits comfortably above entry-level products. Good nationwide availability through dealer networks. A reliable middle ground between budget and premium. Recommended for buyers wanting quality without premium pricing.
Key Features:
- High-quality ETC vacuum tube system
- Double-walled insulated tank
- 24 to 30-hour temperature retention
- Good performance in cold climates
- Reasonable warranty terms
Pros: Good mid-range value, solid performance, wide availability. Cons: Less brand recognition than Racold or Havells. Best for: Households wanting reliable mid-range quality without paying premium prices.
9. BHEL Solar Water Heater
Capacity: 200L, 300L Type: FPC Price: Rs. 22,000 to Rs. 65,000
BHEL is India’s major public sector engineering company. Their solar water heaters use flat plate collector technology. FPC performance is excellent in high-sunlight regions. Build quality meets industrial standards throughout. Durability and longevity are the key strengths here. Government subsidies often apply to BHEL products. Available through government channels and approved vendors. A strong choice for institutional and government installations.
Key Features:
- High-quality flat plate collector technology
- Industrial-grade stainless steel tank
- Excellent durability for long-term use
- Government subsidies are frequently applicable
- Large capacity focus for institutional needs
Pros: Industrial-grade quality, government backing, excellent durability. Cons: Higher price, limited to larger capacities, and less consumer market presence. Best for: Government buildings, institutions, and large households wanting maximum durability.
10. Jain Irrigation Solar Water Heater
Capacity: 100L, 200L, 300L Type: ETC Price: Rs. 13,500 to Rs. 46,000
Jain Irrigation is a trusted name in Indian agricultural technology. Their solar water heaters bring that engineering reliability. ETC performance is solid across capacity ranges. Particularly strong in rural Maharashtra and surrounding states. Build quality is reliable for long-term daily use. Service is well-supported in agricultural regions. Good pricing across the 100L to 300L range. A practical choice outside major urban centres.
Key Features:
- Reliable ETC glass tube system
- Stainless steel insulated tank
- Strong performance in rural conditions
- Good availability in semi-urban and rural areas
- Practical pricing across all capacities
Pros: Strong rural and agricultural region presence, reliable build. Cons: Less prominent in major city markets. Best for: Semi-urban and rural households wanting proven solar water heating.
Top Picks Summary
Best Overall: Racold Solar. Consistent quality, wide service network, reliable across all capacities.
Best Premium: Tata Power Solar. Highest quality components, best warranty, both ETC and FPC available.
Best Budget: Greentek or Supreme Solar. Affordable entry points with functional everyday performance.
Best for South India: V-Guard or Emmvee Solar. Strong regional presence and performance in humid conditions.
Best for Coastal Areas: Tata Power Solar FPC or BHEL FPC. Flat plate collectors handle coastal conditions and hard water better.
Best Mid-Range: Nuetech Solar Solid performance between budget and premium price points.
Government Subsidies on Solar Water Heaters in India
Central and state governments offer subsidies on solar water heaters.
Key points to know:
- MNRE subsidy: The Ministry of New and Renewable Energy offers subsidies through various schemes. Amounts vary by capacity and state.
- State subsidies: Many states offer additional subsidies on top of central government support.
- Income tax benefit: Solar water heater installation may qualify for energy efficiency tax benefits.
- Approved vendor requirement: Subsidies apply only when purchasing from MNRE-approved manufacturers and installers.
- Check current rates: Subsidy amounts change periodically. Always check the latest rates before purchasing.
Most brands on this list are MNRE-approved vendors and can guide buyers through the subsidy process.
FAQs About Solar Water Heaters in India
How long does a solar water heater last?
A well-maintained solar water heater typically lasts 15 to 20 years. Glass tubes may need replacement after 8 to 10 years.
Does a solar water heater work on cloudy days?
Yes, but efficiency reduces significantly. ETC models work better on overcast days than FPC. Electric backup elements are recommended for a consistent supply.
What maintenance does a solar water heater need?
Periodic cleaning of glass tubes and checking of connections. Annual professional inspection is recommended. Inner tank flushing every few years extends lifespan.
How much electricity does a solar water heater save?
A 200L solar water heater can save 1,500 to 2,000 units of electricity per year. This translates to Rs. 9,000 to Rs. 14,000 in annual savings at average Indian electricity rates.
How long does installation take?
A standard residential installation takes 4 to 8 hours. More complex installations may take a full day. Most brands include installation in the purchase price.
Can a solar water heater be installed in an apartment?
Yes, if the apartment has rooftop access. Society approval may be required. Many apartments in Indian cities have collective solar water heating systems.
Final Thoughts
A solar water heater is one of the smartest investments an Indian household can make. Electricity bills drop significantly in the first month. The system pays for itself within 2 to 4 years, depending on capacity and usage. After that, hot water is effectively free.
Racold and V-Guard are the safest overall choices for most households. Tata Power Solar is the right answer when quality is the top priority. Greentek and Supreme Solar serve households where budget is the primary concern.
For 100L needs, any of the mid-range brands delivers excellent value. For 200L, the most popular and best-supported segment, Racold, V-Guard, and Nuetech are all strong choices. For 300L, Tata Power Solar or BHEL delivers the capacity and durability that large families and institutional buyers need.
The sun is consistent. The savings are real. The right solar water heater makes both work for the household every single day.
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