Solar Water Heater: What You Need to Know

Understand the benefits, working, and installation of solar water heaters for energy-efficient heating.
Explore Heaters
3 min
24-Dec-2024
Solar water heating systems are an eco-friendly and cost-effective solution to meet your hot water needs. Harnessing solar energy, these systems provide a sustainable alternative to traditional water heaters, reducing energy bills and carbon footprint. Ideal for residential and commercial use, they are an investment in a greener future.

You can also explore: 5-litre instant geysers

Alternatively, visit our partner stores to discover a wide selection of various renowned brands. Alternatively, visit our partner stores to discover a wide selection of various renowned brands. You can check any of Bajaj Finserv’s 1.5 lakh partner stores in 4,000 cities to choose a model that meets your preferences. Choose the model that you like and get Easy EMI and zero down payment offers exclusively with Bajaj Finserv.

How solar water heaters work

  • Solar collector absorbs sunlight: The solar collector, typically a flat plate or evacuated tube, captures sunlight and converts it into heat energy.
  • Heat-transfer fluid circulates: A heat-transfer fluid, usually water, or a mix of water and antifreeze, circulates through the collector to absorb heat.
  • Heat is transferred to a storage tank: The heated fluid flows to a storage tank via an insulated pipe, transferring the heat to the water inside the tank.
  • Insulated storage maintains temperature: The storage tank is well insulated to retain the water heat, ensuring a consistent supply of hot water.
  • Control system ensures efficiency: Advanced systems include controls that optimise circulation and monitor water temperature to enhance energy efficiency.
  • Backup heating for cloudy days: Many systems feature a backup heating element, ensuring hot water availability even during low sunlight conditions.
Solar water heaters provide a sustainable and efficient way to meet your hot water requirements, making them a valuable addition to your home or business.

You can also explore: Geysers under Rs. 3,000

Types of solar water heaters: Flat plate vs. evacuated tube

  • Flat plate collectors use a dark-coloured plate to absorb sunlight, enclosed in an insulated box with tempered glass for heat retention. They are durable, cost-effective, and ideal for mild climates with consistent sunlight.
  • Evacuated tube collectors feature glass tubes with vacuum insulation, ensuring superior heat retention and efficiency. These are suitable for colder climates and low sunlight conditions, making them ideal for larger households or commercial use. While evacuated tube systems are more expensive, they offer high performance in demanding environments.

Benefits of using a solar water heater

  • Energy efficiency: Solar water heaters use sunlight as a renewable energy source, reducing electricity or gas consumption.
  • Cost savings: By lowering energy bills, these systems offer long-term financial benefits despite higher initial costs.
  • Eco-friendly: They minimise carbon emissions, contributing to a greener environment.
  • Low maintenance: Designed for durability, solar water heaters require minimal upkeep over their lifespan.
  • Versatile usage: Suitable for residential, commercial, and industrial applications, providing consistent hot water.
  • Backup options: Many systems include auxiliary heating to ensure hot water availability during cloudy days.

Installation process for solar water heaters

Installing a solar water heater involves several key steps to ensure optimal performance and efficiency. First, a suitable location is identified, typically a roof with maximum sunlight exposure. The area must be free from obstructions like trees or nearby buildings that may cast shadows.

Next, the mounting structure for the solar collector is installed, securely anchored to withstand wind and weather conditions. The collector is then placed at an appropriate angle to maximise sunlight absorption, depending on the geographical location.

The heat-transfer pipes are connected between the collector and the insulated storage tank. Proper insulation is applied to minimise heat loss. The storage tank is positioned either on the roof or within the house, depending on the system's design. For active systems, a pump is installed to circulate the heat-transfer fluid.

After all components are in place, the system is filled with water or heat-transfer fluid, and its operation is tested. Control systems and backup heating elements, if included, are configured for seamless operation.

Explore options like the Bajaj 5-litre water geyser for compact and efficient water heating solutions.

You can then visit one of Bajaj Finserv’s partner stores, select the geyser of your choice and convert the cost into Easy EMIs. You can choose to repay it in a convenient tenure of up to 60 months. This financing solution from Bajaj Finserv is available on 1 million products.

Explore water heaters on EMI with Bajaj Finserv

Investigate comprehensive water heater feature specifications on Bajaj Mall. Once you have gathered all the necessary details, visit the nearest Bajaj Finserv partner store to pick your preferred water heaters. Complete your purchases with the Bajaj Finserv’s financing options, which set a predefined spending limit. You have the flexibility to pick a repayment period that fits your budget, allowing for Easy EMI payments.

Benefits of shopping with the Bajaj Finserv’s financing options

  • Affordable pricing: Secure great deals on water heaters at Bajaj Finserv partner stores, offering excellent quality without stretching your budget.
  • Easy EMIs: Purchasing a water heater is simple and hassle-free with Bajaj Finserv’s Easy EMIs, giving you the flexibility to manage payments over time.
  • Zero down payment: Start enjoying your new water heater immediately, with no upfront payment required. Select models come with a zero down payment option.
  • Wide range and accessibility: Discover an extensive range of water heaters at Bajaj Finserv partner outlets, ensuring you have plenty of options to choose from.
  • Special deals and cashback: Unlock exciting offers and cashback opportunities when you finance your water heater with Bajaj Finserv’s financing options.
  • Free home delivery available: Get complimentary home delivery on select water heater models for a hassle-free shopping experience.

Bajaj Finserv App for all your financial needs and goals

Trusted by 50 million+ customers in India, Bajaj Finserv App is a one-stop solution for all your financial needs and goals.

You can use the Bajaj Finserv App to:

Apply for loans online, such as Instant Personal Loan, Home Loan, Business Loan, Gold Loan, and more.

  • Explore and apply for co-branded credit cards online.
  • Invest in fixed deposits and mutual funds on the app.
  • Choose from multiple insurance for your health, motor and even pocket insurance, from various insurance providers.
  • Pay and manage your bills and recharges using the BBPS platform. Use Bajaj Pay and Bajaj Wallet for quick and simple money transfers and transactions.
  • Apply for Insta EMI Card and get a pre-approved limit on the app. Explore over 1 million products on the app that can be purchased from a partner store on Easy EMIs.
  • Shop from over 100+ brand partners that offer a diverse range of products and services.
  • Use specialised tools like EMI calculators, SIP Calculators
  • Check your credit score, download loan statements, and even get quick customer support—all on the app.
Download the Bajaj Finserv App today and experience the convenience of managing your finances on one app.

Do more with the Bajaj Finserv App!

UPI, Wallet, Loans, Investments, Cards, Shopping and more

Disclaimer

While care is taken to update the information, products, and services included in or available on our website and related platforms/websites, there may be inadvertent inaccuracies or typographical errors or delays in updating the information. The material contained in this site, and on associated web pages, is for reference and general information purpose and the details mentioned in the respective product/service document shall prevail in case of any inconsistency. Subscribers and users should seek professional advice before acting on the basis of the information contained herein. Please take an informed decision with respect to any product or service after going through the relevant product/service document and applicable terms and conditions. In case any inconsistencies observed, please click on reach us.

*Terms and conditions apply

Frequently asked questions

Why is my geyser not heating water effectively?
If your geyser is not heating water effectively, it could be due to a malfunctioning thermostat, a faulty heating element, or sediment buildup. Check for any visible issues or contact a professional for a thorough inspection.

How can I detect leaks in my geyser?
Leaks in your geyser may appear as water pooling around the unit or wet spots on walls and floors. Inspect the base of the geyser and check for any cracks or moisture around the valves and connections.

What should I do if my geyser makes unusual noises?
Unusual noises like popping or hissing often indicate sediment buildup at the bottom of the tank. Try flushing the tank to remove the sediment. If the noise persists, the heating element might need to be checked or replaced.

How often should a geyser be inspected for faults?
It is recommended to inspect your geyser at least once a year to check for signs of damage, leaks, or wear. Regular maintenance helps to extend its lifespan and ensures safe and efficient operation.

When is it time to replace a geyser instead of repairing it?
If your geyser is over 10 years old, requires frequent repairs, or has major issues like leaks or a damaged tank, it is better to replace it. A new geyser will be more energy-efficient and cost-effective in the long term.

Show More Show Less