Hello everyone,
We are planning a new build with approximately 190 sqm (2,045 sq ft), two stories, without a basement. The attic, about 65 sqm (700 sq ft), will be converted to include a bathroom and a storage room. The house will have a brick veneer exterior and will be built according to the energy-saving regulations. It is for a household of five people (2 adults + 3 children).
A mechanical ventilation system with heat recovery and KNX home automation are planned (if the budget allows, specifically for the KNX).
Once the house is completed, I would like to add solar thermal and photovoltaic systems after a few years.
I’m having trouble deciding between gas heating or a heat pump.
The gas connection costs me €2,500.
Could you help me make this decision?
And which manufacturer would you recommend?
Thanks!!!
Regards
We are planning a new build with approximately 190 sqm (2,045 sq ft), two stories, without a basement. The attic, about 65 sqm (700 sq ft), will be converted to include a bathroom and a storage room. The house will have a brick veneer exterior and will be built according to the energy-saving regulations. It is for a household of five people (2 adults + 3 children).
A mechanical ventilation system with heat recovery and KNX home automation are planned (if the budget allows, specifically for the KNX).
Once the house is completed, I would like to add solar thermal and photovoltaic systems after a few years.
I’m having trouble deciding between gas heating or a heat pump.
The gas connection costs me €2,500.
Could you help me make this decision?
And which manufacturer would you recommend?
Thanks!!!
Regards
ares83 schrieb:
Something must be wrong with your setup. We have an air-to-water heat pump with underfloor heating. The bathroom is a cozy 24°C (75°F) without any electric backup heating, and the living room is the same. The rest of the house is at 22°C (72°F). I don’t know how you could get more comfort than that. Nobody is cold, and during the transitional seasons it’s often too warm in the evenings (living room 26°C (79°F)) because of sunlight during the day. And this without excessively high heating costs or a lot of work with firewood. So, you set the heating to 24°C (75°F) in the bathroom ... the sensor detects it’s already 24°C (75°F) because the sun is shining … so it doesn’t heat, right? Tiles cool down … in the evening the sun is gone … but the underfloor heating keeps heating, and by the time it gets warm again, it’s already the next day … it’s just slow.
In the past, you could just turn up the heat quickly in the evening if it got too cold … you can do that in the living room, but when will that actually take effect?
Sorry, but that’s nonsense. If the house heats up to around 24°C (75°F) during the day in the transitional season due to sunlight, there won’t be any measurable difference a few hours later in the evening, let alone to the extent that you need to "reheat." Unless you leave the window open or have a hole somewhere in the wall.
A wood stove is completely uneconomical and, for me, falls under the luxury category. We also have one, and it burns very often. The reasons are the pleasant radiant heat, the ambiance, and the crackling sound of the wood. Nothing is cozier than that. However, as already mentioned, it is only suitable when masonry is used; Swedish stoves are unfortunately not appropriate for houses built to energy efficiency regulations, as they cannot be used properly.
Snowy36 schrieb:
Ok, so you set the heating to 24 degrees Celsius (75°F) in the bathroom... the sensor detects 24 degrees Celsius (75°F) because the sun is shining... so it doesn’t heat, right? The tiles cool down... then in the evening the sun is gone... the underfloor heating heats up, but by the time it’s warm it’s already the next day... it’s just slow.
In the past, you could quickly turn the heating up in the evening if it was too cold... you can do that in the living room, but when does it actually take effect? It strongly depends. In the bathroom there is no warming from the sun; that’s typical in the north. The underfloor heating doesn’t run on days like today because the heat pump is in summer mode from 12.5°C (54.5°F) with a hysteresis of 4°C (7.2°F), so it turns off at 16.5°C (61.7°F), which is usually reached in the morning. Overnight, the heating only turns back on if the temperature drops below 8.5°C (47.3°F). This has proven to be a good compromise. If it gets cold at night, the bathroom is warm in the morning; if not and the heating stays off, it’s just 23.5°C (74°F), which is also fine. If the sun shines into the living room (windows facing every direction), it can get up to 26°C (79°F) if you don’t use shading. Then it cools down to around 24.5°C (76°F) by bedtime, if you leave a door open while spending time on the terrace.
ares83 schrieb:
The underfloor heating doesn’t heat up at all on days like today Just now, as a woman, I have rooms that get too cold for me in the evening... The wooden floor is still okay, but in the hallway, stairwell, bathrooms—
all tiled areas that get cold because the underfloor heating is off... too cold for me: heater on.
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