Hello everyone,
we are currently defining the technical details for our single-family house.
One question has come up regarding the type of brick used. According to the construction specifications, our builder will use the ThermoPlan S9 brick with a thickness of 30cm (12 inches) for the exterior walls. The construction will comply with the energy-saving regulations.
Do you consider this brick sufficient in terms of its insulation and soundproofing properties, among others?
I could consider upgrading to
However, my builder advises against this due to the long payback period.
I am now somewhat uncertain about the practicality of my plan and look forward to your feedback.
Thanks & best regards,
matze007
we are currently defining the technical details for our single-family house.
One question has come up regarding the type of brick used. According to the construction specifications, our builder will use the ThermoPlan S9 brick with a thickness of 30cm (12 inches) for the exterior walls. The construction will comply with the energy-saving regulations.
Do you consider this brick sufficient in terms of its insulation and soundproofing properties, among others?
I could consider upgrading to
- the 36.5cm (14.5 inches) brick (also type S9) without insulation
- the 30cm (12 inches) brick (type MZ65) with insulation
However, my builder advises against this due to the long payback period.
I am now somewhat uncertain about the practicality of my plan and look forward to your feedback.
Thanks & best regards,
matze007
If your ego doesn’t require you to walk around wearing a “I alone save the global climate” T-shirt, then just build according to the current energy-saving regulations, and that’s fine. People are being charged a lot of money based on the fear of energy prices in the foreseeable future.
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...You will comply with the energy saving regulations. You will be warm. You will not be cold.
Everything else depends largely on you. What do you want? What settings do you have?
What type of heating will be used? Gas? Underfloor heating? Generally, I wouldn’t necessarily recommend heating with a heat pump in a house built to the strict edge of energy saving regulations. What is the overall concept of the house?
Of course, energy price increases will affect you more in a house built to energy saving regulations than, for example, in a KFW 55 house. Whether and when it will pay off, you can speculate a lot and try to see into a crystal ball. Do you have an estimate of how much extra cost is being asked for the different options?
Two other points that can be factors:
- Possible resale value
- Required heating capacity (poor insulation means higher heating demand and higher initial costs for the heating system)
...and of course, a lot depends on personal preference.
...You will comply with the energy saving regulations. You will be warm. You will not be cold.
Everything else depends largely on you. What do you want? What settings do you have?
What type of heating will be used? Gas? Underfloor heating? Generally, I wouldn’t necessarily recommend heating with a heat pump in a house built to the strict edge of energy saving regulations. What is the overall concept of the house?
Of course, energy price increases will affect you more in a house built to energy saving regulations than, for example, in a KFW 55 house. Whether and when it will pay off, you can speculate a lot and try to see into a crystal ball. Do you have an estimate of how much extra cost is being asked for the different options?
Two other points that can be factors:
- Possible resale value
- Required heating capacity (poor insulation means higher heating demand and higher initial costs for the heating system)
...and of course, a lot depends on personal preference.
Hello everyone,
First of all, thank you for your responses!
We certainly do not intend to save the global climate alone, but we want to make our small, modest contribution. That’s why the house will later be equipped with a photovoltaic system, and of course, we want a sensible overall concept with clear goals.
Regarding the heating concept: we will start with an air-to-water heat pump plus a central ventilation system.
I have a rough estimate of the additional costs: for the 36.5 cm (14 inch) brick, it should be about 8,000 EUR in extra expenses.
My focus is less on the principle and more on an economic assessment of whether the additional investment is worthwhile. If not, I would prefer to invest it elsewhere.
Looking forward to your feedback.
First of all, thank you for your responses!
We certainly do not intend to save the global climate alone, but we want to make our small, modest contribution. That’s why the house will later be equipped with a photovoltaic system, and of course, we want a sensible overall concept with clear goals.
Regarding the heating concept: we will start with an air-to-water heat pump plus a central ventilation system.
I have a rough estimate of the additional costs: for the 36.5 cm (14 inch) brick, it should be about 8,000 EUR in extra expenses.
My focus is less on the principle and more on an economic assessment of whether the additional investment is worthwhile. If not, I would prefer to invest it elsewhere.
Looking forward to your feedback.
face26 schrieb:
Well, I’d say an air-to-water heat pump plus photovoltaics combined with a wall made of 30cm (12 inches) perforated brick with a U-value of 0.28 is certainly not the “most common” setup. Well, you don’t always have to stick to the standard. The question is whether the 30cm (12 inches) brick wall makes sense in this particular case, or if upgrading it would be a worthwhile investment considering the significant additional costs...
What are your thoughts?
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