Varistor Solar is dedicated to empowering individuals, businesses, and communities with the transformative power of solar energy. We believe in a brighter, cleaner future and are committed to making sustainable living accessible to everyone.
+91-9113690456
Email: sales@varistorsolar.com
Varistor Solar
NO 40/C, KALKERE VILLAGE,12TH MAIN, NRI LAYOUT,Ramamurthy Nagar, Bangalore North,Bangalore- Karnataka, 560016
Introduction
In today’s world, where environmental concerns and electricity costs go hand in hand, more and more Indian households and businesses are turning to solar water heaters as a sustainable alternative. With the country's abundant sunshine throughout the year, harnessing solar energy is not just a smart choice—it's the future.
Whether you're a homeowner, a business owner, or someone managing facilities like hostels, hotels, or hospitals, choosing the right solar water heater is a big decision. The good news? We’ve got you covered.
In this comprehensive guide brought to you by Varistor Solar™, we break down everything you need to know:
✅ Why solar water heaters are a game changer
✅ How to choose the best one
✅ A detailed look at the top 5 solar water heater brands in India
✅ Price ranges, features, maintenance tips, FAQs, and more!
Let’s dive in!
☀️ Why Solar Water Heaters are the Future
What is a Solar Water Heater?
It’s a system that uses solar panels (either flat plate collectors or vacuum tubes) to absorb sunlight and convert it into heat to warm water. No electricity, no fuel—just the power of the sun.
Why It Makes Sense in India:
- India receives 300+ sunny days a year
- Perfect for homes, apartments, hospitals, guest houses, schools, and industries
- Cuts down electricity bills by up to 70%
- Lifespan of 15-20 years with low maintenance
- Reduces carbon emissions
Common Applications:
- Solar water heater for PGs
- Solar water heater in apartment buildings
- Solar water heater in hospitals and guest houses
- Solar water heater systems in hotels and resorts
⚙️ Types of Solar Water Heaters
1. Flat Plate Collector (FPC)
- Durable, weatherproof
- Best for sunny regions
- Ideal for high-demand usage
2. Evacuated Tube Collector (ETC)
- High efficiency
- Great in cold/hilly areas
- Slightly more delicate
3. Pressurized vs. Non-Pressurized
- Pressurized systems: Suitable for buildings with high water pressure
- Non-pressurized systems: Budget-friendly, good for small homes
🛠️ What to Look for Before Buying
- Tank Capacity: Usually ranges from 100–500 litres
- Water Quality: If hard water, choose corrosion-resistant tanks
- Warranty & Service: Choose brands with solid after-sales
- Certifications: BIS, MNRE approved systems are trustworthy
- Location: South-facing roof with good sunlight is ideal
⭐ Top 5 Best Solar Water Heaters in India
Now, let’s get to the stars of the show.
🌟 1. Varistor Solar Water Heater™
At Varistor Solar, we’re not just manufacturers—we’re passionate solar enthusiasts on a mission to make India greener.
Key Features:
- Made with top-grade stainless steel tanks
- Both FPC and ETC models available
- Corrosion-resistant coating (great for hard water areas)
- Wide capacity range: 100L – 500L
- Ideal for PGs, hospitals, apartments, and homes
- MNRE-approved & ISI certified
- Exceptional after-sales service
- Easy installation & low maintenance
Why Choose Varistor?
We’re local, affordable, and offer customized systems for different needs—from PGs in urban cities to independent homes in towns and villages.
Customer Review Snippet:
"I installed a 200-litre Varistor solar water heater last year, and it’s been flawless—zero electricity bill and hot water 24/7!"
🌟 2. Racold Solar Water Heater
A well-known brand in water heating solutions with solid performance.
Highlights:
- Sleek design
- High-pressure compatibility
- Comes with auto-cleaning options
- Energy-efficient tubes
Use Case: Best for residential homes and mid-size families.
🌟 3. V-Guard Solar Water Heater
Trusted for electrical products, V-Guard also shines in the solar space.
Features:
- Vacuum tube collector (ETC)
- Anti-corrosive inner tank
- Multiple tank sizes
- Great service support
Best For: Homes with hard water and areas with moderate sunlight.
🌟 4. Supreme Solar Water Heater
A popular brand among budget-conscious buyers.
Why it Stands Out:
- Affordable pricing
- Simple designs
- Reliable efficiency
- Available across India
Best For: Budget buyers or first-time users
🌟 5. Sudarshan Solar Water Heater
An emerging name, Sudarshan focuses on sustainable design.
Features:
- Pressure and non-pressure variants
- Suitable for hotels, hospitals, and large homes
- Compact but effective
- Good warranty coverage
Best For: Commercial spaces or large properties
💰 Price Comparison
| Brand | Capacity | Type | Avg. Price Range (INR) |
| Varistor Solar | 200 LPD | ETC | ₹18,000 – ₹24,000 |
| Racold | 200 LPD | FPC | ₹22,000 – ₹30,000 |
| V-Guard | 200 LPD | ETC | ₹20,000 – ₹26,000 |
| Supreme | 200 LPD | ETC | ₹17,000 – ₹22,000 |
| Sudarshan | 200 LPD | FPC | ₹21,000 – ₹27,000 |
(Prices may vary slightly based on location and model year.)
🧰 Installation & Maintenance Tips
Installation Checklist:
- South-facing flat roof or terrace
- Minimum 2–3 hours of direct sunlight
- Strong base/stand
- Water inlet & outlet plumbing ready
Maintenance Tips:
- Clean vacuum tubes every 3 months
- Check tank insulation every year
- Prevent dust/debris on panels
- Service the system once a year
🧑🔧 Use Cases (With Examples)
- Solar Water Heater PG Setup:
Hostels and PGs in cities like Pune, Bangalore, and Hyderabad have switched to Varistor’s 300-litre pressurized systems to manage daily demand and save on huge electricity costs. - Apartments & Societies:
High-rise buildings now install centralized systems with rooftop tanks, saving thousands annually. - Hospitals & Clinics:
24x7 hot water for sanitization is a must. Solar systems reduce recurring costs drastically. - Guest Houses & Hotels:
Budget hotels now prefer solar to appeal to eco-conscious travelers and reduce electricity usage.
🌐 Where to Buy?
You can explore these heaters through:
- Brand Websites
- Authorized Dealers
- Local solar solution providers
- Platforms like Amazon, Flipkart, Solarclue
Pro Tip: Ask for installation + warranty when buying online.
🤔 Frequently Asked Questions (FAQs)
Q1. What is the best solar water heater for 4-5 people?
A 200–250 litre system works best.
Q2. Is solar water heater good for hard water?
Yes, just pick one with anti-corrosive or SS304 tanks like Varistor models.
Q3. How long does hot water last in a solar system?
Typically, 24–36 hours with good insulation.
Q4. Which is better – FPC or ETC?
FPC is better for open sunny areas, ETC is better in colder climates.
Q5. Does a solar water heater work at night?
No heating happens at night, but stored hot water is available if insulation is good.
🔚 Conclusion
Choosing a solar water heater in India is a decision that pays off for years. You not only save money, but also support a greener planet. Among the top 10 solar water heater companies in India, Varistor Solar™ stands out for its balance of affordability, performance, and service.
Whether you're in Jaipur, Bangalore, or a remote village, solar water heating is no longer a luxury—it’s a smart and essential investment.
FREQUENTLY ASKED QUESTIONS
A solar water heater is a device that utilizes sunlight to heat water for various purposes such as bathing, washing, and heating. It typically consists of solar panels, also known as collectors, which absorb sunlight and convert it into heat energy. This energy is then transferred to a fluid, usually water or a heat-transfer fluid, circulating through the panels. The heated fluid is then stored in a tank for later use, providing hot water on-demand.
The price of a solar water heater can vary depending on factors such as brand, capacity, technology, and installation charges. On average, a 200-liter capacity solar water heater in India may cost between 20k to 50k. However, prices may vary based on geographical location and other factors
The rate of return on investment (ROI) for a solar water heater system depends on several factors, including the initial cost of the system, energy savings achieved, maintenance expenses, and any available government incentives or subsidies. To calculate ROI, you can compare the upfront cost of purchasing and installing the system with the annual energy savings it provides. Additionally, consider the lifespan of the system and any potential increase in property value due to its installation.
In Bangalore, the price range of solar water heaters varies based on factors such as brand, capacity, and technology. You can find reliable options from reputable manufacturers and distributors specializing in solar energy products. It's recommended to research and compare prices, specifications, and customer reviews to make an informed decision.
Certainly! The top 10 solar water heater companies in India include reputed brands such as Varistor Solar, Racold, V-Guard, Supreme Solar, Sudarshan Saur, Havells, Emmvee Solar, Bosch Solar, Solarizer, and Waaree Energies. These companies are known for their quality products, innovative technologies, and excellent customer service. Consider exploring their offerings to find the best solar water heater solution for your needs.
Now It's Your Turn:
Ready to make the environmentally conscious choice by switching to solar water heaters in India? Leading brands like Varistor Solar™, Racold, V-Guard, Supreme and Sudarshan offer reliable options to meet your hot water needs efficiently and sustainably.
Among these top contenders, Varistor Solar™ stands tall as the preferred choice in India, renowned for its exceptional quality and performance. We offer a wide array of solar water heaters tailored to suit diverse preferences and requirements, ensuring that you find the perfect solution for your home.
To discover more about our range of solar water heaters and how they can transform your energy consumption, don't hesitate to contact us at 9113690456 or email sales@varistorsolar.com. Choose Varistor Solar™ for a cleaner, more energy-efficient future.
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Nice
Thanks for these information and I am interested to learn more about these products and would like a purchase some of the solar water heaters.