ᐅ Installation of a Gas Heating System in New Construction 2023/2024

Created on: 11 Apr 2023 14:47
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robert0815
Hello fellow home builders,

we have started constructing a single-family house. The approved building permit / planning permission includes a gas heating system, which we still want to install.

There are two possible scenarios:

1. What happens if the heating system is installed in October 2023, but the house is only inspected and approved in February 2024?

2. What happens if the heating system is installed in January 2024, and the house is inspected and approved in May 2024?

Both options are difficult to plan for. So far, we do not know whether the construction schedule might be delayed.
I haven't found any information on this. Do you have any further details?

Regards,
robert0815
Tolentino28 Apr 2023 10:39
I agree, we need to tackle this seriously. However, I’m also open to addressing some smaller issues alongside, especially if they bring other positive side effects. The problem is that society tends to get stuck focusing on the minor details and ends up going in circles.

This is also an opinion shared by many: "It’s already too late, better to focus on improving airbags and seat belts."
In my opinion, they underestimate the consequences of hundreds of millions of people around the equator losing their livelihoods.
I cannot and do not want to imagine what we will be forced into then.
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sysrun80
28 Apr 2023 11:57
To get back on topic: Apart from "I don’t want to because Habeck says so," what technical reason would there be to install a gas or oil heating system in a new build?
K
KarstenausNRW
28 Apr 2023 12:04
sysrun80 schrieb:

To get back on topic: Apart from "I don't want to because Habeck says so," what technical(!) reasons might there be to install a gas or oil heating system in a new build?

Unfortunately, one has to produce a certain number of words and characters here. Otherwise, the answer could simply be "none."
OWLer28 Apr 2023 12:28
With a multi-family house, you might encounter issues with setback requirements depending on the state. For a single-family home, I can't really imagine that being a problem.
andimann28 Apr 2023 12:46
Hello,
sysrun80 schrieb:

in new construction, is there a technical(!) reason to install a gas or oil heating system?

Not directly technical, but there are reasons: availability (or lack thereof) of heat pumps and cost. Many general contractors have charged outrageous markups for heat pumps in the past, but even if they only pass on the additional costs fairly, that quickly adds up to 5,000–8,000 euros. Since the current prices for heat generation are still relatively similar (10–12 cents for gas and 30–35 cents for electricity with a coefficient of performance of about 3–3.5), you won’t recover the extra cost over your lifetime.

Additionally, many people have, quite understandably, some "fear" or at least concerns about heat pumps. The news and this forum are full of reports about heat pump problems, incorrect sizing, excessive electricity consumption due to wrong sizing, or early failure of expensive heat pump components. And considering that still far more gas heating systems are in use than heat pumps, and you hardly ever hear about problems there, I can’t blame people for these concerns. They are perfectly justified.

Currently, as a heat pump owner, you still have to invest a lot of effort yourself to understand the topic and reach a level of knowledge that the installer should have. Then you have to try to fix any poor workmanship afterwards and get the system running properly. Many heat pump installations are botched makeshift solutions by overwhelmed installers. And you’re supposed to pay significantly more for that than for a gas heating system?

Yes, I can definitely understand that people don’t want this or simply can’t manage it.

There are also issues such as people not wanting a noisy air-to-water heat pump in their garden. If noise protection regulations were strictly enforced, you could shut down at least every second air-to-water heat pump. And boreholes for ground-source heat pumps are often blocked by water protection authorities or heritage conservation officials. Crazy!

Heat pumps are the future, and their further spread should definitely be promoted. The economic balance will also increasingly shift in favor of heat pumps in the future. But when you look at the entire trade "heating + installation + commissioning + CORRECT adjustment," the quality of heat pumps is often still very far from what people are used to and expect for their money with gas heating systems. And since the heating trade is currently in a gold rush, I don’t have much hope that this will improve. It will probably get worse, as customers are now being forced to use heat pumps.

Therefore, even though I would clearly choose a heat pump myself today (we built with gas heating in 2016), I can well understand if someone prefers to quickly get a gas heating system now. Whether that’s a wise idea is another question.

Best regards,

Andreas
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WilderSueden
28 Apr 2023 12:55
andimann schrieb:

Many people have, quite understandably, some "fear" or at least concerns about heat pumps. The news and this forum are full of reports about issues with heat pumps, incorrect system designs, excessive electricity consumption due to poor planning, or early failure of expensive heat pump components. Considering that there are still many more gas heating systems in use than heat pumps, and you hardly hear about problems with gas heaters, I can’t blame people for these concerns. They are completely justified.
I believe the key point here is not that gas heating systems are better configured, but rather that gas heating is simply more forgiving when it comes to design errors. Also, with radiators, the hydraulic balancing plays a lesser role because the thermostat controls the operation.

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