Hello everyone,
We are currently planning a single-family house with approximately 160m² (1,722 sq ft) of living space based on the KFW55 standard. Since we are still at the beginning of the planning phase, many details are not yet finalized.
From the start, we have focused on the heating system. Our current favorite is an air-to-water heat pump. The main reason for this choice was especially the aspect of “underfloor heating,” which is supposed to provide a certain level of comfort. Many consultations we had confirmed this point.
However, we were recently advised to consider an air-to-air heat pump instead. The reasoning was that the underfloor heating would be installed under a roughly 15cm (6 inch) thick screed layer anyway, so an air-to-air heat pump would be preferable because it heats more directly. It was also said that the comfort without underfloor heating would be comparable.
Now our question is which argumentation we should trust.
Is underfloor heating preferable to a radiator-based heating system?
Which heating concept provides more comfort to the house?
And do the additional costs of underfloor heating justify the added value?
What are your opinions on these points? Which concept would you choose, and why?
We would greatly appreciate your feedback.
Thank you & best regards,
matze007
We are currently planning a single-family house with approximately 160m² (1,722 sq ft) of living space based on the KFW55 standard. Since we are still at the beginning of the planning phase, many details are not yet finalized.
From the start, we have focused on the heating system. Our current favorite is an air-to-water heat pump. The main reason for this choice was especially the aspect of “underfloor heating,” which is supposed to provide a certain level of comfort. Many consultations we had confirmed this point.
However, we were recently advised to consider an air-to-air heat pump instead. The reasoning was that the underfloor heating would be installed under a roughly 15cm (6 inch) thick screed layer anyway, so an air-to-air heat pump would be preferable because it heats more directly. It was also said that the comfort without underfloor heating would be comparable.
Now our question is which argumentation we should trust.
Is underfloor heating preferable to a radiator-based heating system?
Which heating concept provides more comfort to the house?
And do the additional costs of underfloor heating justify the added value?
What are your opinions on these points? Which concept would you choose, and why?
We would greatly appreciate your feedback.
Thank you & best regards,
matze007
Hello everyone,
we are currently facing exactly the same question. We are planning a 150m² (1,615 sq ft) single-family house with at least KFW55 standard and keep hearing different opinions from various construction companies. By now, we are completely confused.
Basically, like Matze, we just want an efficient heating system that keeps us warm. Gas, pellet, or oil are not an option for us. Therefore, basically only air-to-water heat pumps or air-to-air heat pumps remain. So far, we have only received negative feedback about air-to-air heat pumps. But can an air-to-water heat pump heat the house well during cold winters?
@Matze: have you made a decision yet?
Good luck,
Julia
we are currently facing exactly the same question. We are planning a 150m² (1,615 sq ft) single-family house with at least KFW55 standard and keep hearing different opinions from various construction companies. By now, we are completely confused.
Basically, like Matze, we just want an efficient heating system that keeps us warm. Gas, pellet, or oil are not an option for us. Therefore, basically only air-to-water heat pumps or air-to-air heat pumps remain. So far, we have only received negative feedback about air-to-air heat pumps. But can an air-to-water heat pump heat the house well during cold winters?
@Matze: have you made a decision yet?
Good luck,
Julia
Jule1687 schrieb:
But can you really keep a house warm in cold winters with an air-to-water heat pump?To put it bluntly, it seems nowadays rather difficult to cool down highly insulated buildings.
Heat pumps have been successfully used for decades, not only in our mild climate but also at higher altitudes in Austria and in Scandinavian countries (one of the technology leaders, company Nibe, is from Sweden).
Dear Julia, construction companies are not advisors, they are salespeople. You are meant to buy what they offer—the solutions they can provide (and profit from). Company A will always criticize Company B's solution. The perfect solution only exists with one company; of course, the others will build ruins.
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