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Factors to consider when buying a 300 litre Solar Water Heater

A solar water heater is an equipment that utilizes energy from the sun to heat water for households and other setups.

This article will dwell on solar water heaters. You need to know the aspects of a solar water heater before purchasing. This will be resourceful as making a quality purchase should be your priority. Read on to find out exactly what it is you need to know.

Industrialization and technology have seen the innovation of efficient implements. This has been compelled by the scarcity of reliable energy sources and the need to utilize the available ones fully. Among these are the solar water heater and factors you should consider before spending on one.

  1. Durability and resistance.

A 300-liter solar water heater can be quite large and costly. This necessitates the need to purchase one that is durable and resistant. This refers to how long the device can stand and still serve its purpose. This will be determined by the materials used in its construction and the construction method. A good one should have a lifespan of at least 15 years.

  1. Efficiency of capturing radiation.

The main source of energy for the device is the sun’s radiation. This means the more radiation it can capture, the more efficient it is. This means the device you purchase is of good potential.

The good potential is not enough on its own. For a 300-liter solar water heater to match its worth, it should have a highly selective surface. A highly selective surface will absorb a high percentage of radiation, reflect and emit a lower percentage, as the latter two are disadvantageous.

  1. Conductivity of metal.

Different materials possess varying thermal properties. Thermal conductivity, in this context, refers to how well the material can transmit heat energy from one point to another. Metals possess the best thermal conductivity.

Consider going for a solar water heater made of metal that has good thermal conductivity and good thermal absorption and insulation. This ensures that the water heating rate is high. Isn’t efficiency what we want?

  1. Reservoir qualities.

The term reservoir here refers to the storage tank. The tank’s properties can greatly influence a 300 litre solar water heater price. What are these tank properties we are talking about? You need a constant flow of hot water when in your house as you have paid the price.

Upon heating, the water is stored in a reservoir tank. This one should have fortified and good thermal insulation. This is, so we want water that is not hot to get cold a few hours later.

  1. Electricity support.

Since the sun is the energy source, on rainy and foggy days, your device’s function may be limited. On such days, you will wish it had an alternative energy source. Luckily some do support electricity as an alternative energy source.


Getting a solar water heater can be an easy task to go about if you have the right knowledge when doing so. This article is a detailed summary of all you need to know beforehand. Upon reading, you will be advantaged and get the quality you deserve.







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