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What is Solar Water Heater?

Name: Reviews
Brand: SolarClue
Rating: 4.5 (2329 reviews)

A solar water heater is a hot water system that utilizes solar energy (energy from sunlight) to heat water in cost-effective solutions. It fits on a terrace or any open space on the top of the building where it gets sunlight is then used to heat water and store it in an insulated tank. The solar water heater does not connect to the electricity grid; however, used to get the sunlight throughout the day to heat the water, and store it in the storage tank for your home, or any other desired applications.

The solar water heater incorporates high density compressed PUF insulation and an efficient heating element, which is capable of helping it to store hot water up to 48 hours. Therefore, it is best suitable for homes, apartments, hostels, and several other buildings. The solar water heater for home is made up of anti-corrosive material and advanced technology. Some of the features such as energy efficiency, durability, safe to use, and easy installation are the main reasons for which, the solar water heater has acknowledged in the market.

The solar water heater is developed by all standards of quality and safety, thus ensuring safety for use at home. SolarClue is an online platform to buy solar water heater directly from top brands such as Supreme, V Guard, Havells, EMMVEE Solarizer, Racold, and Kamal Solar.

Parts of the Solar Water Heater

A solar water heater consists of a flat plate solar collector, a storage tank (kept at a height behind the collector), and connecting pipes. The collector is comprised of copper tubes welded to copper sheets (both coated with a highly absorbing black coating) with a toughened glass sheet on top, insulating material at the back, and the entire assembly placed in a flat box. There are certain types of solar water heater, where evacuated glass tubes used instead of copper and a separate cover sheet along with an insulating box not required in this case.

Solar Water Heater Working Principle

The solar water heater is installed on the roof of the building, or open ground with the collector, and connected towards facing the sun for continuous water supply. The water flows through the tubes or solar panels are capable of absorbing solar heat to provide hot water. Then the heated water is stored in a tank for further use and the tank covers with a glass lid to prevent the loss of sunlight or heat due to convection and radiation. And, the hot water gets stored in the storage tank remains hot overnight as the tank is insulated. This is all about the working principle of the solar water heater.

The solar water heater price in India is different from several manufacturers and dealers. You can check out the list of prices from the top solar water heater manufacturers at SolarClue and analyze the features of the best solar water heater then select the best one.

Types of Solar Water Heater

There are mostly two types of solar water heaters available on SolarClue.

Flat Plate Collectors System (FPC): It is a typical solar water heating system and known for its longer life. The flat plate collector system is also called a selective coating that consists of an absorber plate and covered on its sun-facing surface with an absorbent coating. The absorber plate is placed in a top open box to protect it from weather and incorporated with a grid of metallic tubes and sheets that allow water to flow. Sheet absorbs the solar radiation falls on it and transfers it to water. The space between both the (front & back) sides of the absorber and the box is filled with insulation to reduce heat losses. Flat plate collectors are stated based on their area, commonly 1x2 m size.

The FPC water heater also can work in colder regions with freezing temperatures, but it needs an anti-freeze solution that makes the system expensive. A heat exchanger with an FPC system is required in those areas with salty water to avoid scale deposition that can impact the heating capability of the system.

Evacuated Tube Collectors System (ETC): This is another type of water heater made up of glass, hence fragile by its nature. It is ideal for colder regions where the temperature is subzero. The places where the water quality is salty, ETC requires regular cleaning due to the deposition of salt on the inner surface of glass tubes.

Each of the evacuated tubes contains a glass outer tube and a metal absorber tube that is attached to a fin. The fin's coating generally absorbs solar energy but prevents radiative heat loss. This particular type of water heating system is used more frequently for U.S. commercial applications as compared to other uses.

Both the types of water heaters are manufactured with, or without a pump, available on SolarClue. The water heater with a pump is used to move water from collectors to the storage tank. The other water heater without a pump is used utilizing the thermosiphon principle to move water from collectors to the storage tank automatically.

Pricing of Solar Water Heater

Pricing of a solar water heater varies from one brand to another as there are several brands available with SolarClue. When it comes to the price of the solar heater, the quality of the product, its durability, and reliability are three important things that do matter for customers. After analyzing such factors, people are only able to find the solar water heater price list from different brands. There are different types of solar water heaters on SolarClue, and according to that cost decides. Individuals who are interested to buy solar water heater can even compare the price as per different manufacturing brands and select the best one which suits their budget.

Definition of Solar Street Light

A solar street light is an effective outdoor lighting source operated through the use of solar energy. Solar Street Light is a recent technological innovation for lighting solutions, powered by photovoltaic (PV) panels. The PV panels having rechargeable batteries are fixed on the lighting structure or in the pole to provide power supply to the solar LED street light or street lamp during the night.

The solar panels or PV panels are designed in such a way to feed natural light source or sunlight. This enables the street light to provide sufficient light during the night, or cloudy days even for a couple of days when the sun’s energy is not available. People are switching to solar street lights these days due to several causes such as lesser maintenance, environment-friendly, eliminates your carbon footprints contribution, and handy solutions to lighting problems. Even solar street lights in India is also popular only because of these reasons. SolarClue is an online platform where people can find several solar street light manufacturers to purchase their preferred street light at different pricing portfolios.

Components of Solar Street Light

Solar Street Light is manufactured using five components, such as Solar Panel, Lighting Fixture, Rechargeable Battery, Controller, and Pole.

Solar Panel or PV Panel: - It is the main component of the solar street light that helps to convert solar energy into electricity. The solar panel is divided into two different types, mono-crystalline, and poly-crystalline.

Lighting Fixture: - Lighting fixtures like LED is another component used in solar street light that helps in providing much higher Lumens (total amount of visible light from a lamp or light source) with lower consumption of power. The primary benefit of an LED fixture is to consume energy consumption of about 50% lesser than the HPS fixture.

Rechargeable Battery: - It is used in collecting electricity from solar panels and stores it during the day time to provide power supply to the fixture during the night. Gel Cell Deep Cycle Battery and Lead Acid Battery are two different types of rechargeable batteries.

Controller: - It is also a crucial element of a solar street light. A controller is a vital part that decides when to switch on or off the charging battery and lighting system.

Pole: - It is an essential part of a solar street lighting system. Pole is built-in supporting the fixtures, panels, and batteries as they get mounted on the top of the pole.

Types of Solar Street Lights

There is a total of four types of solar street lights available in the market.

1. Off-Grid Split Type Solar Street Light System

2. Grid-Tie Solar Street Light System (Grid-Tie Single Inverter, Grid-Tie Micro-Inverter)

3. Solar & Wind Hybrid Solar Street Light System

4. All-In-One Solar Street Light System

Working Principle or Functionalities of Solar Street Light

The optimum functionality of solar street light is to offering lightning solutions at night for several streets and by using natural energy called sunlight. A solar street light is generally functioned by PV solar cells that convert the energy of sunlight into electrical energy by the use of the semiconductor material of the device. This entire process of energy conversion (called a photovoltaic effect or Photovoltaic cells) is used in storing solar power in batteries during the day and provides proper light at night with illumination reduced to 10lux.

After this, the solar cells board is used to open the circuit voltage of about 4.5V. Then the charging and discharging controller is used to protect the battery and detects movement of the voltage value. This entire process is the working principle of solar street lights.

Advantages of Solar Street Light

• The operation cost is inexpensive as the solar street light independently works

• Known as a pollution-free source of producing electricity to offer lighting solutions

• It is used not by utilizing any external wires hence, negligible chances of occurrence of accidents happened

• It has lower chances of overheating

• Easy accessibility of smart street light in remote areas because the parts of this lighting system carry easily.

The solar power system is a complete setup ideal for home and commercial places, which helps in producing electricity by utilizing solar energy (sunlight). A solar power system is made up of solar panel (which absorbs sunlight), inverter (which converts DC electricity into AC), mounting structure (which holds the panels in place), batteries (helps to store the extra power generated), grid box and balance of systems (wires, nuts).

In other words, a solar power system is composed of numerous photovoltaic (PV) panels, inverter (a Dc to AC power converter), and a rack system that holds the PV panels in place (solar PV panels on the roofs of homes and businesses generate clean electricity by converting the energy in sunlight). Solar power system comes in 1 kW, 3kW, 5kW, 10kW, and several other capacities. It is a good choice for those who want to reduce their electric bills and their carbon footprint.

As the prices of electricity are rising, people across the world looking for renewable energy sources for their power, or electricity needs. Solar energy has now become a popular renewable energy source because of its cost-effective price and improving efficacies. And for this reason, the solar system for home has stepped forward in the market with its great features.

On-Grid Solar System

The on-grid solar system or Grid-tied solar system is a kind of solar system that generates current only when the utility power grid is available. In other words, the on-grid system is a solar system that generally works with the grid. Saving the electricity bill is the prime purpose of installing an on-grid solar system.

The on-grid solar power system consists of Solar Photovoltaic modules / Panels, DC-AC grid-tied solar Inverter and Installation Kit (includes mounting structures, ACDB, DCDB, A.C, D.C wire, Connectors, lighting arrestor, earthling cables).

The foremost benefit of installing an on-grid solar system for home is a cost-effective solution, which helps to pay for such systems by offsetting utility bills in 3-8 yrs. In addition to this, there are some other advantages of the on-grid solar system, including:

• Zero electricity bills (consumer has to pay only for the surplus electricity he consumes because the solar power system is connected to the grid only).

• Easy maintenance (on-grid solar power system has the least number of parts along with simple installation or fitting).

• Passive income generation (with connection to the grid, the consumer can charge for the surplus electricity he has generated, which is not only beneficial in reducing your electricity bills but also helps to avail the cost benefits for the excess electricity generated).

• Provides you with at least 5 years' payback time and free electricity for the next 20 years.

Moreover, the on-grid solar system is simple enough that anyone can install it by himself. The on-grid solar system price is affordable that anyone can purchase it by investing at pocket-friendly prices.

Off-Grid Solar System

The off-grid solar system is a popular type of solar power system with backup, which works both day and night. During the day time, solar panel charges the battery to run the home appliances with the use of DC, and at night or cloudy weather days when the sunlight is not available, inverter runs your home appliances (Air Conditioners, Cooler, Television and submersible pump, etc.) using the battery power or AC current.

The off-grid solar system allows you to store your solar power in batteries for future use, especially when the power grid goes down or if you are not on the grid. Hybrid systems are capable of providing power to balance the grid power whenever the sun shines, which enable to send excess power to the grid for later use.

The utmost benefit of using an off-grid solar system is to provide power for your critical loads when the power grid becomes down. An off-grid system is more prevalent that comes with a power backup and works independently of the grid.

Benefits of using off-grid solar system:

• Works as a self-sustainable system that can work independently and not depending on the grid

• Helps in avoiding power outages, which may occur without any warning

• Helps in generating enough power that can be stored and used at night or when the power grid is down

• Reduces electricity costs (fossil fuels are still the world's primary energy source)

• Easier installation facilities

• Best alternative for remote areas where there is no power access from the grid

• Keeps the environment clean and green

Hybrid Solar System

The hybrid solar system is another type of solar power system that generates power or electricity supply in the same way as the common grid-tie solar system does. The only difference of a hybrid solar system is that such a system uses batteries to store energy for later usage. A hybrid solar system can operate as backup power, and it is possible because of the ability to use the maximum amount of stored energy (uses this energy during a blackout which is similar to a UPS system).

The term ‘hybrid solar system’ refers to a combination of battery storage and solar systems in which the off-grid system is connected to the electricity grid. Hybrid solar system is classified into three types such as All-in-one Hybrid Inverter (which contains a battery inverter/charger and solar inverter together with clever controls), All-in-one Inverter with no Back-up (works like a grid feed solar inverter which enables storage of solar energy in the battery system for the self-use), and All-in-one Inverter with Back-up (used as both an on-grid or off-grid inverter, which has a great backup capability).

Advantages of hybrid solar system:

• Allows consumers to store excess solar power or low cost (off-peak) electricity

• Allows using of solar energy during the evening times (known as self-use or load-shifting)

• Facilitates with backup power capability that helps to provide power during a blackout or grid outage like a UPS function

• Enables advanced management of electricity power and energy independence

• Reduces the power consumption from the grid

Solar Accessories

Solar accessories are important for all your small and large-scale power generation requirements. The main accessories used in solar power system installation are Batteries, Solar Charge Controllers, Off-Grid Solar Panels, and Solar Battery Enclosures.

Solar batteries: Solar batteries for home energy systems are made using lithium-ion batteries (lighter and more compact than lead-acid batteries) rather than lead-acid, and saltwater. Lead-acid batteries are used in off-grid energy systems that have a relatively short life, and lower DoD than other battery types. Saltwater batteries (newcomer in the home energy storage industry) don’t contain heavy metals as compared to other home energy storage options. Solar batteries are considered the best in terms of battery capacity & power ratings, depth of discharge (DoD), round-trip efficiency, warranty, and finest manufacturing facilities.

Solar charge controllers: Solar charge controllers are a voltage regulator to keep batteries from overcharging and also regulates the current coming from the solar panels going to the battery. A solar charge controller is categorized into two different technologies, PWM and MPPT. An MPPT charge controller is more expensive than a PWM charge controller but worth buying it even if expending more money.

Off-grid solar panels: This particular solar panel consists of a battery, charge controller, grid box, inverter, mounting structure, and balance of systems. Off-grid solar panels can store enough sunlight during the day, and use the excess power generated in the night.

Solar battery enclosures: Solar battery enclosures are used to keep your batteries safe from weather, and safe from theft. It is attributed with feature locking mechanisms that protect unauthorized people against possible electrical dangers if they happen to be tampering with your equipment. Battery enclosures for solar systems are pole-mounted or ground-mounted and suitable for indoor and outdoor applications.

We live in an age where the whole thing is progressing in such a way to create a revolution in every aspect. Renewable energy in the past few years has occupied a tremendous position in the industry due to its advanced technology modifications, and a range of Solar Appliances is one such example.

Solar Appliances save at least 20% energy on our total energy use, which is beneficial both from a financial and environmental perspective. It is further helpful to either cut down your energy consumption or invest in varied applications that use alternative energies. Home appliances which can run on solar energy or natural sunlight, which are known for its cost-effective solutions, and user-friendliness.

Solar Appliances are divided into two different classifications. One is a solar photovoltaic based appliance that produces energy to power or charges DC type of electrical devices, and another one is a solar thermal system that uses the sunlight to produce solar heating which can be used for making hot water or for cooking.

The solar appliance is based on renewable forms of energy, hence benefitted in such a way to save consumers’ money through lower energy bills, and reduces dependence on the electricity grid. The government is providing subsidies and incentives to the customers, especially to rural people to make them more affordable, which again helps to use a larger number of solar appliances.

Solar appliances of SolarClue serve all your home needs at one shop destination. SolarClue, India's leading solar products firm is committed to providing the highest standard, yet innovative solutions that can take care of your solar needs. SolarClue’s solar appliance is classified into seven categories, which include Solar Lanterns, Solar Mobile Chargers, Solar Power Banks, Solar Road Signs, Solar Water Heaters, Solar Home Systems, and Solar Fans.

Solar Lanterns

Solar Lanterns are manufactured to maximize light and minimize power consumption. A solar lantern is designed in such a way to save around 50 liters of kerosene in a year by replacing the traditional kerosene lantern. It can be used at least for 3 to 4 hours per day. Solar Lanterns are widely acknowledged in the market due to its attributes such as powerful yet bright light capacity, long battery life, weather resistance, and wide-area dispersal of light. Furthermore, solar lanterns are available at a reasonable price and high quality.

The solar lantern is a portable yet durable lighting device, used incorporated with an integrated PV module, flexible sizes of battery to provide a full-fledged lighting facility. The Solar LED Lantern is one of the best solar appliances consists of three components, such as a CFLs of 9W or 11W rating, PV module, and a maintenance-free battery. It is commonly used for indoor as well as outdoor lighting purposes, and especially applicable for rural applications. The solar lantern can also be used to provide internal lighting facilities for one or more rooms in a building.

Solar Mobile Chargers

Solar Mobile Chargers are movable devices operated through the use of sunlight to offer the advantage of powering mobile phones. There is a wide range of solar mobile charger on the market with the capability to charge your mobile handset or smartphone, wherever you are. Solar mobile chargers are a cheaper and greener way of powering up your mobile phones.

Moreover, solar phone charger is highly beneficial in saving your money in the long run, lowering your carbon footprint and give you the satisfaction of knowing that your mobile handset gets powered by nature.

Solar Power Banks

Solar Power Banks are battery storage unit of power that comes from solar energy or sunlight to produce electricity, which helps in charging batteries of varied electrical devices. When you are out from home, engaged in camping, trekking or hiking and away from electricity, solar power banks benefit you in charging your gadgets whenever needed. A solar power bank is generally portable, and hence, one can carry it whenever he or she wants.

When it comes to the charging of mobile phones, Bluetooth speaker, or any other required device, solar power banks offer the best solution as they can be used anytime where sunlight is there. Solar power banks are made for using as a power backup for your laptop, smartphone, or tablet when these run out of energy. Solar charger power bank can supply energy or electricity up to 4000-ampere hours and 48 volts.

Mostly, there are three different types of solar power banks available in the market. One is small or portable model, designed to charge a wide range of cell phones or mobile phones, iPod and any other small portable gadgets. The second one folds out model, designed for automobile devices. This particular model of a solar power bank is plugged into the cigar lighter socket to charge the vehicle battery. And, third is the public charger or public solar power bank, mounted in public places for people to use for free.

Solar Water Heaters

Solar Water Heaters are used in capturing sunlight to heat water and to provide hot water without consuming expensive electricity. Solar water heater is a device that generates hot water naturally and even saving your electricity cost. It is also an environment-friendly yet best solar water heater and an economical way to generate hot water for shower and bath. As far as the cost of this particular product is concerned, the solar water heater price or solar water heater cost varies from its model and capacity.

A solar water heater is one of the foremost category of solar energy appliances capable of saving substantial energy as solar power is free in contrast to natural gas or fuel oil. Long operating life, low in maintenance cost, high quality extra thick stainless steel inner tank, and high energy yield & low heat loss are the lucrative features of solar water heaters.

Solar Home System

Solar Home Systems are stand-alone photovoltaic arrangements, which provide enough electric energy to fulfill all the power requirements of a home. Solar system for home is capable of providing AC (alternating current) power for every home use to operate lighting systems, gadgets, appliances such as computers, refrigerators, mixers, fans, air conditioners, TVs and music systems. Solar system for home is a cost-effective mode of supplying amenity power for lighting to meet a household's energy demand by fulfilling basic electric needs.

Solar Fans

Solar Fans are used by solar energy to remove hot air from your home and provides you with a cooling effect. Solar fans are also used in replacing electrically powered blades to keep homes comfortable during hot summers. Solar powered fan for homes is either mounted on the device or wired to a separate installation, and it does not require secondary power sources as long as when enough sunlight exists. Some of the benefits of solar fan are helpful for moisture reduction and the risk of mold in your attic space, work in off-grid areas, extend the life of your roof, help preserve the environment, and helps reduce power costs. Solar fan price is affordable that anyone can purchase as per his or her budget.

Solar Road Signs

Solar Road Signs are indicating devices and driven by solar panels, which provide a unique range of road traffic calming solutions. The solar road sign is placed at road crossings, pedestrian overpasses, and other locations to control the flows of traffic. In other words, the solar road sign is a unique range of traffic-control solution that helps drivers to manage a speed limit of his vehicle in the road.

Solar road signs are useful solar appliance to alert traffic to areas that require them to reducing road speeds and highway information. The solar road sign is a robust, long-lasting, and proven technology solution in providing traffic signaling without having to rely on the electric grid. Some of the major advantages of solar road signs are an easy installation, visible for up to 500 meters, energy-efficient, work up to 10 days continuously without sunlight, no maintenance, and adaptable to virtually any sign.

Get the best online deals for solar-powered products at Solarclue.com. Find what you are looking for here with SolarClue. SolarClue has the best range of solar products to buy and get delivered to your place anywhere in India. Solar products with All Brands across India like Pithoragarh, Uttarakhand, you can Contact Solarclue.com.