Flat collector or tube collector: Advantages and disadvantages in comparison – News

Whether flat collector or tube collector: both work similarly, but have differences. In this article you will learn what the respective advantages and disadvantages are. In the video, the differences between solar, photovoltaic and solar thermal systems are explained.

Flat collector or tube collector: Both collectors at an overview

Both vacuum tube collectors and flat collectors work similarly.

  • Flat collectors have a flat surface that is dark and therefore attracts solar radiation. For tube collectors, there are several dark tubes that absorb the rays.

  • In both cases, the solar radiation is converted into heat. Inside the collectors are liquids that transport the heat through pipes to the hot water solar memory.

  • If enough heat has been released, this is returned. Then everything starts from the front.

  • Both collectors are suitable for the hot water preparation and heating support of a house. However, there are some differences that make up the advantages and disadvantages. We present this in the following.

Flat collector or tube collector: Advantages and disadvantages in comparison - News-tube
Imago Images / Wolterfoto Flat collector or tube collector: advantages and disadvantages in comparison

The advantages and disadvantages of flat and tube collectors

Both collector models have pros and contras.

  • Advantages of flat collectors: Often these are cheaper with 400-500 euros, the collectors can be installed roof integrated, the technology is already mature and the heat can easily occur even at sunrise.

  • Disadvantages of these collectors: With up to 85 percent you have a smaller efficiency than vacuum tube collectors, but you need more space and are heavier and especially in winter there is no constant heat guaranteed.

  • Pros of the vacuum tube collector: They have a high efficiency of up to 90 percent, do not need as much space and are lighter, also reach very high temperatures, are reliable heat conductors and can even transport heat in strong weather.

  • Contras: They are more expensive to buy (between € 600 and € 700), can overheat in summer and cannot be installed roof integrated.

  • Conclusion: Depending on how your house is already equipped, how much space and money you have and what you need the collectors for, you should make your choice.

In the following article you will learn the exact structure of solar collectors in an understandable manner.

This article was written by Ann-Kathrin Gunther
The original to this post "Flat collector or tube collector: advantages and disadvantages in comparison" comes from site.

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