ᐅ New Single-Family Home Construction – Gas or Air Source Heat Pump + Photovoltaic System + Energy Storage?
Created on: 25 Apr 2021 14:18
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nullhorn
Hello everyone,
I will be building a house in 2021/2022 and will live in it myself. It’s a 10x10 meter (33x33 feet), 1.5-story standard single-family house. The roof is a pitched roof with a 40-degree pitch, ridge direction North/South (so the roof faces East/West and can be equipped with photovoltaic panels).
Now, my question: Gas is available in the area. Which heating technology would you recommend?
Gas? Air-source heat pump + photovoltaic + battery storage? Ground-source heat pump? Or something completely different?
And who can give me advice like this without any hidden profit motives (like heating installers always pushing gas, etc.)?
Regards,
Flo
I will be building a house in 2021/2022 and will live in it myself. It’s a 10x10 meter (33x33 feet), 1.5-story standard single-family house. The roof is a pitched roof with a 40-degree pitch, ridge direction North/South (so the roof faces East/West and can be equipped with photovoltaic panels).
Now, my question: Gas is available in the area. Which heating technology would you recommend?
Gas? Air-source heat pump + photovoltaic + battery storage? Ground-source heat pump? Or something completely different?
And who can give me advice like this without any hidden profit motives (like heating installers always pushing gas, etc.)?
Regards,
Flo
Deliverer schrieb:
The problem with hydrogen is the underground efficiency...But that is not the only issue. Hydrogen is the smallest molecule there is, which means it diffuses into or through many materials—steel, for example. This causes the materials to become brittle, and if oxygen is later transported through the same pipes, it can even lead to explosions. Therefore, suitable materials are required for everything that carries hydrogen, especially the pipes. Converting an existing natural gas pipeline network directly to hydrogen is out of the question.
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Georgian201918 Oct 2021 19:35nullhorn schrieb:
Probably not. Everything needs to work smoothly, and I want to have peace of mind. But I agree regarding the dependence on fossil fuels. I don’t want to have to retrofit in 10 to 15 years. After all, you’re not building a garden shed now, but a home for the next 50 years. Do you think a heat pump and photovoltaic system will last 50 years? I would estimate a maximum of 15 to 20 years for any system, after which you’ll have to replace it regardless.
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Georgian201918 Oct 2021 20:00Deliverer schrieb:
There is social behavior and its opposite. Anyone who wants to live in a pleasant community should follow the consensus. One person installs a gas heating system and only rides a bicycle, another sets up a heat pump plus a photovoltaic system and owns two cars and flies abroad three times a year... you see, there is no right or wrong, no black or white. It’s all about the shades of gray.
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Georgian201918 Oct 2021 20:05RotorMotor schrieb:
Sorry, but that’s just nonsense that doesn’t help anyone.
Just because there is waste in some areas, doesn’t mean we can’t do the right thing elsewhere.
So why would anyone choose gas at all for a new build?
Just because the initial cost might be a bit lower? The initial cost is lower, no annoying humming noise, gas boilers are reliable and usually require minimal maintenance. Burning gas produces very little CO2 and smoke/soot (compared to a wood fireplace), which makes the neighbors happy.
...and while I type, I’m enjoying my gas fireplace.
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RotorMotor18 Oct 2021 20:05Georgian2019 schrieb:
Do you mean that a heat pump and photovoltaic system will last 50 years? The first one maybe, the second probably.
Georgian2019 schrieb:
One person installs a gas heating system and only rides a bike, another installs a heat pump plus photovoltaic system and drives two cars and flies three times a year abroad...you see, there is no right or wrong, no black or white. It’s about the shades of gray. Please stay on topic. Heating systems can be discussed completely separately from mobility, veganism, etc. They are not connected in any way.
Georgian2019 schrieb:
No annoying droning, gas boilers are reliable and usually run with minimal maintenance effort. That does not match my experience. They need to be regularly cleared of ash, have a fan that makes noise and often breaks down / has bearing damage, becoming extremely loud.
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Georgian201918 Oct 2021 20:20Our
The gas connection from the utility provider cost exactly 599€ (approximately $660).
RotorMotor schrieb:
It would be interesting to back this up with some numbers now.
I’m not very familiar with gas boilers and their prices, but a Geisha heat pump can be obtained for about 3000€ (approximately).
Even if a gas boiler were 1000€ (about $1100) cheaper, I don’t think that would cover the cost of installing a gas connection, right?!
The gas connection from the utility provider cost exactly 599€ (approximately $660).
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