ᐅ Which heating system is best for a new build with 130 square meters of living space?

Hello colleagues,

We are planning to build a house in 2011.
The building plot is already secured, and we are still looking for a turnkey house with about 130 sqm (1,400 sq ft) of living space (without basement).

Since "prefabricated houses" usually include oil or gas heating in the price, I wanted to find out if it makes sense to buy such a house with a different heating system.
I was thinking about a heat pump system.
Have you had any experience with this?

As there are now many heat pump systems available, I would like to ask which one is the best for the future in terms of operating costs?
(If it matters, a gas connection is available).

We also have to consider the rising electricity prices.

Hello,

csba schrieb:
...Since there are now many heat pump systems available, I would like to ask which one is the best for the future (low operating costs)? (If it matters, a gas connection is available). We also need to consider the rising electricity prices.

That is the classic key question.

Ultimately, you will decide based on your preferences and reservations; in my opinion, there is no ultimate heating system. Some people swear by pellet heating and accept losing a room for the storage, while others prefer a ground-source or air-to-water heat pump – these systems still require electricity to operate. Others play it safe and stick with a gas condensing boiler, usually preparing the building envelope as much as possible for future technologies; underfloor heating is standard anyway.

In the end, it is a rational cost decision that will determine for or against a particular heating system.

Kind regards

Bauexperte schrieb:
Hello,

Some others play it safe and stick with the gas condensing boiler, but they usually prepare the building envelope as much as possible for future technologies; underfloor heating is standard anyway.

Kind regards

Thank you for your reply. I have also been considering the gas condensing boiler. Is there a significant difference in energy consumption compared to a conventional gas heating system from about 10 years ago? And can you estimate roughly what percentage of savings one can achieve with a gas condensing boiler compared to a traditional oil heating system?

Hello,

csba schrieb:
...Is there a significant difference in consumption compared to a conventional gas heating system from about 10 years ago?

Nowadays, condensing gas boilers are installed; they are more efficient but do not have the same service life as older boilers.

csba schrieb:
...And can you estimate what percentage you save with a condensing gas boiler compared to a conventional oil heating system?

You can easily calculate this yourself if you consider that operating a gas heating system only requires a gas connection on the property. An oil heating system requires considerably more, starting with the tank and including the recurring ordering of oil.

Newly built single-family homes nowadays consume so little energy that installing an oil heating system is generally not worthwhile, or you would have to heat for a very long time to recoup the installation costs.

Best regards

Thank you for your information.

I assume that a newly built single-family house with 130 sqm (1400 sq ft) consumes about 1200 liters (320 gallons) of oil per year. At the current price of 75 cents per liter, that amounts to roughly 900 euros, plus about 100 euros for electricity costs with an oil heating system. So, the total would be around 1000 euros per year.

I am not very familiar with gas heating systems. For a modern condensing gas boiler, what would the annual costs be? In other words, how would that roughly compare to the oil heating costs?

Hello,

csba schrieb:
I assume that a newly built single-family house with 130 sqm (1,400 sq ft) consumes about 1,200 liters (317 gallons) of heating oil per year. At the current price of 75 cents per liter, that amounts to roughly 900 euros plus about 100 euros for electricity with an oil heating system. That would total around 1,000 euros per year. I’m not very familiar with gas heating systems. For a modern gas condensing boiler, what are the annual costs? Basically, a rough comparison to oil heating.

Based on experience, the operating costs for a gas condensing boiler are roughly comparable – it always largely depends on how often you take showers.

You should consider – even though a new oil field was recently developed – that, according to a Shell study, the reserves of accessible oil fields are drastically declining; the original forecast was for 2040. All currently known oil reserves require significantly higher effort to access the crude oil, meaning oil will be the most expensive heating fuel in the long term, followed by gas. It is already quite difficult to choose the right moment to reorder; therefore, there is a new cost-benefit calculation each year.

Kind regards