Solar Water Heaters

As this is one of our most popular products, we've dedicated this page to provide you as much detail as possible on its state-of-the-art design and best of all, how it can provide a long life of reliable service without utility bills!

Watch our presentation on our Solar Water Heater installations in Pakistan (requires Quicktime)

SUNSHORE® Water Heaters use state-of-the-art technology to deliver hot water day and night without the need for conventional backup water heaters. Used reliably across the world, SUNSHORE water heating systems are designed to withstand a variety of climate and usage conditions. This ensures you’ll get hot water in summer, winter and every season in-between. You can even choose the capacity that is right for your home or business. Our products are complete all-in-one solutions bringing you freedom from expensive utility bills and maintenance.

Each day, the earth receives more solar energy from the Sun than the total amount of energy our entire planet can consume in 25 years. This abundant source of energy can provide an important saving to the consumer, and help bring a higher standard of living without harming the environment. The SUNSHORE® Vacuum Glass Tube Solar Water Heating System does just that. The infrared spectrum of solar energy can be used to heat water for domestic and industrial use. Aside from enjoying free energy, greenhouse gasses produced by fossil fuel based energy can be avoided, helping to make the Earth greener.

The SUNSHORE® Solar Water Heating System is simple to install and operate on an almost “fix and forget” basis.
This brochure is intended to give you an brief insight into SUNSHORE® Vacuum Glass Tube Solar Water Heating System.
Be sure to visit the Solar Systems Pakistan Product Centre or call our Solar Consultants for a product demonstration.

Advantages of Solar Systems Pakistan Solar Water Heaters

The SUNSHORE® Vacuum Glass Tubes are the heart of our state-of-the-art solar water heater. Each of these tubes converts more than 90% of solar energy into useable heat and loses less than 1% of
heat at 80oC.

Unlike single-valve cold inlets and single warm outlets, SUNSHORE® Water Heaters use multi- valve heating technology for simultaneous direct cold in, and hot out water supply. This means your water is made hotter, faster.
As an added benefit, our units are so reliably hot that backup heaters are not needed. Our heaters function even on cloudy days!

Life is hard enough. Our water heaters are 100% solar powered and have no moving electro-mechanical components. That means you save on installation and maintenance costs and capitalize on high product reliability. Our products are no hassle and need virtually no maintenance!

Installing a SUNSHORE® water heating system at your home or business is a smart move. Our products will provide you with many years of reliable service, reduce your maintenance and utility bills and even help the environment. Plus, you’ll enjoy comprehensive installation
and after-sales support from Solar Systems Pakistan. Our engineers will make sure your equipment is running at its optimum and keep you enjoying your investment for years to come. Read on for a comprehensive list of advantages of going solar!

Solar Water Heaters by Solar Systems Pakistan Advantages

Comparison Shopping Solar Systems Pakistan Water Heaters

Capacities Available
We have a variety of capacities available. 95 Litre and 300 Litre capacities are among our most popular. Commercial customers can order larger units that range from 10,000 Litres to 50,000 Litres.

The latest prices are available on our pricing page. Visit our Prices page to view them.

Still have questions? Here are some frequently asked questions and their answers ...

How does the solar water heater work?

The solar water heater or geyser relies on warm water rising, a phenomenon known as natural convection, to circulate water through the evacuated glass tube collector and to the tank. Hot water storage tank is located above the absorber evacuated glass tubes. As water in the absorber heats, it becomes lighter and naturally rises into the tank above. Meanwhile, cooler water in the tank flows downwards into the absorber, thus causing circulation throughout the system. 

Solar water heaters provide your home or business with really hot water. But how do they do it?
Here is a brief explanation to orient you with the components of the kind of water heater we carry. We hope this guide will increase your appreciation for this remarkable piece of technology.


General Explanation of System’s Working Principles
1. Unheated water from source with a certain pressure (eg: 3 bars) flows into the system
2. As the water gets heated up, certain pressure is built up in the main water tank (eg: 1 bar). This is due to the difference in pressure between the unheated water and the heated water and the principle of hot water rises while cold water sinks
3. As the heated water flows from the main water tank’s outlet pipe (about 3/4 inch in diameter) to the house’s pipes (about 1/2 inch in diameter), pressure is further increased to about 1 bar to 2 bars. This pressure is adequate enough for a pleasant showering experience and for use in the Jacuzzi. The better the house’s piping system, (eg: the shorter the distance from the main water tank to the house’s pipe), the higher the pressure generated in the heated water.

Vacuum Tube Collector The Vacuum Tube Collector consists of the following parts:
1. Inner glass tube Borosilicate glass (Pyrex®) tube with the outside surface of the inner tube coated.
2. Selective absorbing coating Layers of aluminum-nitrogen with aluminum base coated using hit-tech magnetron splutter process.
3. Vacuum Gap Jacket between outer and inner tubes is evacuated to form the best insulation and to prevent heat loss.
4. Cover glass tube Concentric to the inner tube, the cover glass tube protects the entire glass tube.
5. Supporting component Stainless steel metal pieces acts as a support for the glass tube.
6. Remnant Gas absorbent
7. Absorbing film

How does a vacuum tube heat the water?

A vacuum in its very basic form is merely a natural insulator, providing for a heat-loss factor of merely 7%.  In other words 93% of the heat that enters the glass tube is retained and transferred to the water.  The vacuum (similar to our ozone layer) assists in prevention of radiation and convection. 

How hot will the water get?

Up to 97 degrees Celsius in summer & 70 degrees Celsius in winter 

What happens in cloudy or poor weather?

The vacuum tubes are leaders in solar technology, operating very effectively even in cloudy and overcast conditions.  There are electric backup elements installed for those rare “weeks of continuous rain and poor weather”. 

Why are the vacuum tubes better than the old flat solar panels?

Flat solar panels make use of triple processes I.e. They (1) absorb/collect solar energy (2) generate this energy into electricity (3) make use of the electricity to heat water. However, the Vacuum tubes heat the water directly and are therefore far more efficient! Vacuum tube technology is much less expensive in terms of the original purchase as well as maintenance and repair 

Aren't solar water heaters really expensive?

No, check out our prices! And it depends on how you look at it – solar systems pay for themselves in the long run by saving 40-60% of your electricity/gas consumption. With the ongoing power crisis and the rising utility costs, solar water heaters are becoming a cost-effective option indeed.

Will it work in winter?

Absolutely! As long as you have a trusted and knowledgable installer such as Solar Systems Pakistan analyzing your location prior to installation, you will get excellent results even in winter. Our solar collectors on the roof are coated with a special heat-absorbent surface that soaks up solar radiation and converts it to heat energy. This means that the sun's radiation is solely required to operate the system regardless of the season or temperature outside. The system even works in cloudy conditions! 

Can I get hot water early in the morning and even in winter?

Yes. Again, you need a technically good installation by professional installers to ensure best results. We will make sure the cold water is heated during the day & it is stored in a specially insulated storage tank all night. Our insulation prevents the water from losing heat, so that you have piping hot water the next morning. 

What is solar radiation?

Solar radiation is radiant energy emitted by the sun, particularly electromagnetic energy. Basically it means how much sun-light shining down on us. 

Can the Solar Geyser heat water to a high temperature?

Yes, in sunny days solar water heaters can bring water to boiling point. 

What low temperature can it be used in?

Yes, your solar geyser can be used in temperatures as low as -10° C, although performance is reduced in such extreme conditions but good heat output is still achieved in mild sub-zero conditions as long as there is sunlight. 

Can the tubes crack in the cold?

No. The solar geyser has been tested to minus 10º C and works extremely efficiently in cold climates. 

Can the water heaters be used in large scale applications?

Yes. The solar water heater can be connected in series or parallel to provide large scale hot water production for a commercial setting such as a school, hotel or office building. There is really no limit to the size of the system.

How does solar help the environment?

Using solar and other forms of renewable energy reduces reliance on fossil fuels for energy production, thus directly reducing CO2 emissions. CO2 emissions contribute to global warming, an environmental issue which 
is now of great concern. The average household can reduce CO2 emissions by as much as 20% by installing a Solar Geyser System. 

Who will install this water heater?

The Solar Water Heater should be fitted by an authorized and experienced solar installer who will ensure it is positioned correctly. Our products must be purchased from us directly for warranty terms to remain intact. 

What happens if one of the tubes breaks?

Firstly, the tubes are very strong and not easily broken, but if the worst should happen, solar tubes can be replaced very easily. They are inexpensive and available though us or may be covered under warranty. The solar collectors 
can operate with several broken tubes, but the efficiency will be reduced, so it is recommended that broken tubes be replaced immediately. 

What maintenance is needed?

Under normal circumstances no maintenance of the system is required. Due to the shape of the tubes regular rainfall and wind should keep the tubes clean. Should a tube even be broken it should be replaced. 
This, however, is an inexpensive and easy job. Any "handy" person can install a new tube (while adhering to local health and safety regulations). Solar collectors can operate with several broken tubes, however the efficiency will be reduced slightly. 

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What are the prices of the water heaters?

Ready to order? Contact us to get your solar water heater today!