Solar water heater
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Solar Water Heaters in Pakistan
Finetech Solar water heaters resemble regular solar panels but include an insulated water tank for added efficiency. These systems use solar collectors—pipes that absorb sunlight and convert it into heat—to warm water. A solar water heater, also known as a home solar water heating system, is an affordable and eco-friendly solution for generating hot water year-round. They perform efficiently in all seasons, relying solely on sunlight as their energy source.
The water tanks provided with Finetech Solar water heaters are designed for enhanced performance and safety. These insulated tanks prevent heat loss and come equipped with anti-freeze features, pressure relief valves, and thermostats to maintain optimal water temperature. These features ensure warm and cozy water, even during cold nights.
Customers can choose between solar water heaters powered entirely by solar energy or hybrid models that use grid electricity when sunlight is insufficient.
How Do They Work?
The solar collector panel, a crucial part of the solar water heating system, captures sunlight. Inside the collectors, a black absorber surface absorbs solar radiation and transfers the heat to flowing water. The heated water is stored in an insulated tank to minimize heat loss. The thermo-siphon system enables the automatic circulation of water between the tank and collectors. Solar water heaters are categorized into two types based on the collector system. They generally include a collector to harness solar energy and an insulated storage tank to retain the heated water, ensuring hot water is always available when needed.
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Components of Solar Water Heater/ Solar Water Geysers
- Solar Collector (to collect solar energy)
- Insulated water tank (to store hot water)
- Relief valve
- Supporting stand
- Connecting pipes and instrumentation etc.
Types of Solar Water Heaters in Pakistan
There are two main types of solar geysers commonly used in Pakistan:
- Flat Plate Solar Water Heaters:
- Evacuated Tube Solar Water Heaters:
Flat Plate Solar Water Heaters in Pakistan
Flat Plate solar water heaters are the most common type of solar water heater in Pakistan. They are made up of a series of flat, absorber plates that are covered with a transparent cover, typically glass. The plates absorb sunlight and heat the water that flows through them. Flat plate collectors are relatively inexpensive and can be installed on roofs or on the ground. They are also relatively efficient, especially in sunny climates like Pakistan.
Evacuated Tube Solar Water Heaters in Pakistan
These are a type of solar water heater that uses evacuated tubes to capture and transfer heat. The tubes are made of two layers of glass that are sealed together, creating a vacuum. This vacuum helps to insulate the water and prevent heat loss. Evacuated tube collectors are more efficient than flat plate collectors, but they are also more expensive. They are a good choice for areas with cold winters, as they can provide hot water even when the sun is not shining.
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