Hello! We are planning to build a KFW 55 house with 2 full stories. The plot is 970 sqm (10,440 sq ft). We are currently deciding between a geothermal heat pump and a pellet heating system. We are not entirely sure yet. What do you think? In the long run, do the costs balance out? In your opinion, which is the better option?
nistibee schrieb:
What exactly do you still need to know? The house will have a floor area of 90 m² (970 sq ft). The geotechnical soil report is still pending. A ground source heat pump with a horizontal collector is planned. I have heard that over the years the ground can "wave" or shift. Is that true? For pellets, there would be an underground storage tank in the yard. For a horizontal collector/heating system, it is important to roughly estimate the annual energy consumption and heating load, as these determine the consumption, required collector area, and so on. If properly designed, the ground does not shift, but this also depends on your soil type and how much area you can use.
Pellets are generally not necessarily cheaper in terms of consumption costs; there is some effort involved (sourcing pellets and maintaining the feed system), and pellet prices tend to be rising as well.
I could recommend a pellet heating system. I use pellets myself and am completely satisfied because pellets are also affordable. Additionally, they are climate-neutral, as burning the pellets releases roughly the same amount of CO2 as the trees, from which the pellets are made, absorbed from the atmosphere. After a brief online search, I found a website where you can learn more about it.
Hope this helps.
Best regards
Sebastian
Hope this helps.
Best regards
Sebastian
B
Bieber08158 Nov 2016 14:18I would only consider pellets if I were a forest owner ;-).
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