Hello,
we plan to build a house next year, preferably a turnkey project.
Now the contractor said we should definitely submit the building permit / planning permission application this year to save 7,000 euros. Because from 1.1.2016 the energy-saving regulations will change.
What do you think about that?
Thanks for your answers.
we plan to build a house next year, preferably a turnkey project.
Now the contractor said we should definitely submit the building permit / planning permission application this year to save 7,000 euros. Because from 1.1.2016 the energy-saving regulations will change.
What do you think about that?
Thanks for your answers.
andimann schrieb:
But you quickly realize the (economic) futility of a mechanical ventilation system with heat recovery A mechanical ventilation system with heat recovery is not intended solely to save heating costs, but also to ensure regular and necessary ventilation of the house.
If this cannot be done manually (due to work or being regularly away from home for other reasons), an alternative solution is required. What would be your economically viable alternative proposal?
Reducing the cost of the mechanical ventilation system to just operational expenses is misleading!
I don’t see it costing between 500 and 1000 euros. I don’t need 300 € per year for the mechanical ventilation system, but anyway.
The point is also not having to open the windows while still preventing mold in the house. Maintaining proper ventilation intervals is not easy when you are working.
So, the mechanical ventilation system is a comfort improvement that is difficult to quantify materially.
I don’t see it costing between 500 and 1000 euros. I don’t need 300 € per year for the mechanical ventilation system, but anyway.
The point is also not having to open the windows while still preventing mold in the house. Maintaining proper ventilation intervals is not easy when you are working.
So, the mechanical ventilation system is a comfort improvement that is difficult to quantify materially.
@Wastl: That’s true, just calculating the operating costs is not enough. That’s why I also included interest and depreciation. Those probably aren’t covered in your 300 € (about 320 USD). It’s the same as with a car: everyone looks at the fuel consumption, but for an average driver with 15,000 km (9,300 miles) per year, depreciation and loss of value are easily twice as high as the fuel costs. A difference of one liter in consumption is economically completely irrelevant.
But I agree with you, controlled residential ventilation can provide great comfort and is definitely worth the money. We deliberately decided against it, though, and it really annoys me that now the eco-lobby is forcing me to rush my build because otherwise I’ll probably have to install one next year. That just frustrates me… (don’t get me wrong, none of you are to blame for this!)
@oleda222
The alternative, following the old traditional way, is manual ventilation. We both work full-time and moved into a new build in 2011. The house is just as airtight as current homes. We have had no problems with mold or moisture. However, you really have to take the time to ventilate properly in the mornings and evenings (plus more on weekends), and above all, you mustn’t try to save on heating and let any rooms fall to as low as 15°C (59°F). That’s why even our basement is heated throughout the entire heating season.
It’s a clay brick house (Poroton), which naturally absorbs much less moisture than, for example, a sand-lime brick house. Also, the landlord was wise enough to heat the house intensively like crazy and run large construction dryers for some time before our move-in. According to him, that cost about 300 € (about 320 USD) in energy costs, but we moved into a largely dry house. Under other circumstances, or if you’re away for weeks regularly, this might not work.
Best regards,
Andreas
But I agree with you, controlled residential ventilation can provide great comfort and is definitely worth the money. We deliberately decided against it, though, and it really annoys me that now the eco-lobby is forcing me to rush my build because otherwise I’ll probably have to install one next year. That just frustrates me… (don’t get me wrong, none of you are to blame for this!)
@oleda222
The alternative, following the old traditional way, is manual ventilation. We both work full-time and moved into a new build in 2011. The house is just as airtight as current homes. We have had no problems with mold or moisture. However, you really have to take the time to ventilate properly in the mornings and evenings (plus more on weekends), and above all, you mustn’t try to save on heating and let any rooms fall to as low as 15°C (59°F). That’s why even our basement is heated throughout the entire heating season.
It’s a clay brick house (Poroton), which naturally absorbs much less moisture than, for example, a sand-lime brick house. Also, the landlord was wise enough to heat the house intensively like crazy and run large construction dryers for some time before our move-in. According to him, that cost about 300 € (about 320 USD) in energy costs, but we moved into a largely dry house. Under other circumstances, or if you’re away for weeks regularly, this might not work.
Best regards,
Andreas
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