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  #41  
Old 24.10.2019, 17:55
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Re: Heating questions..

I must say we're very happy with our pellet stove, which is our only source of heating (in a much smaller place - 70 m2 apartment). It's very efficient, seems quite cheap to run and it's nice to know we're not reliant on fossil fuels.
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  #42  
Old 26.10.2019, 18:41
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Re: Heating questions..

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Seems to me that you should have looked into the heating system BEFORE you bought the house. A heating specialist would have been the person to consult. How old is the oil burner? Replacing that may be your only option.
If I were basing my home purchase on the heating technology in the house then sure but thats not the case, there are far more important things than a heater. That said we did look into this prior, I am just more so wondering if anyone here has any important info differing from what I have already read. After consulting with my father in law, he agrees that his pellet system was far more efficient than the new warmepump, and regrets the upgrade. Their home was built in 1950's.

My primary reason for wanting to upgrade is I want to convert the basement space into something useable, but am unable to with these 2 massive oil tanks present.
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  #43  
Old 26.10.2019, 18:48
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Re: Heating questions..

Can put the oil tanks outside.
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  #44  
Old 26.10.2019, 23:14
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Re: Heating questions..

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Can put the oil tanks outside.
Don't think that is allowed here.
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  #45  
Old 27.10.2019, 11:40
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Re: Heating questions..

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Don't think that is allowed here.
Why not? As long as it's buried.
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  #46  
Old 27.10.2019, 11:48
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Re: Heating questions..

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My primary reason for wanting to upgrade is I want to convert the basement space into something useable, but am unable to with these 2 massive oil tanks present.
Our neighbours did that recently and now have a large extra room in their cellar.
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  #47  
Old 27.10.2019, 12:01
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Re: Heating questions..

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Why not? As long as it's buried.
It read as if you were suggesting outside, above ground, which I didn't think would be allowed either. Somehow "outside" and "buried" don't convey the same meaning.

But yes, if you've enough garden space there's nothing to stop you putting the tanks there instead of in the cellar. Indeed, it would seem obviously a better choice.
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  #48  
Old 27.10.2019, 12:13
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Re: Heating questions..

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Why not? As long as it's buried.
Kind of an important addition. It will also depend on the Gemeinde and how difficult the neighbours are with respect to possible objection as it will also require a building permit. It may not necessarily be as simple a project as it sounds.
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Old 27.10.2019, 17:24
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Re: Heating questions..

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Our neighbours did that recently and now have a large extra room in their cellar.
Does it have windows, insulation, heating? To me a basement is not the ideal living area. Converting this area into living space may require a building permit. Quite a few older homes in our village have been renovated in the past few years and the trend seems to be adding on to one side, if the lot is large enough wtih enough distance to the neighbour, or a new top floor. Often the top floor does not count in the living space giving you more freedom to make more space.
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  #50  
Old 27.10.2019, 17:35
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Re: Heating questions..

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It read as if you were suggesting outside, above ground, which I didn't think would be allowed either. Somehow "outside" and "buried" don't convey the same meaning.

But yes, if you've enough garden space there's nothing to stop you putting the tanks there instead of in the cellar. Indeed, it would seem obviously a better choice.
Its also not practical as oil on a cold day will cloud up. Therefor most outside oil tanks in temperate climates like CH are buried where the temp is never below freezing. However, with global warming it may…
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  #51  
Old 10.11.2019, 13:14
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Re: Heating questions..

I have a question for the people with heat pump systems. I have a new property that just has an air-water heat pump with underfloor heating. The system has a fairly thick manual and I generally get the gist of it (think I should also download the english version) but am just wondering how the systems work in practice.

My hunch is that these systems work best at maintaining a constant temperature, is that correct? The place is up in the mountains and we are only really going to be there at weekends. Is it workable to keep it at a cool temperature and then increase when we get there like you would with a gas system - or will it take too long to warm up?

I think I am also going to install a wood stove but that is going to need a different load of questions
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  #52  
Old 10.11.2019, 17:06
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Re: Heating questions..

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I have a question for the people with heat pump systems. I have a new property that just has an air-water heat pump with underfloor heating. The system has a fairly thick manual and I generally get the gist of it (think I should also download the english version) but am just wondering how the systems work in practice.

My hunch is that these systems work best at maintaining a constant temperature, is that correct? The place is up in the mountains and we are only really going to be there at weekends. Is it workable to keep it at a cool temperature and then increase when we get there like you would with a gas system - or will it take too long to warm up?

I think I am also going to install a wood stove but that is going to need a different load of questions
It won't react quickly, however you will save very little by not having it on all the time at say 21 degrees. It's only the electricity for the pump that gets used, the heat is free.
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  #53  
Old 10.11.2019, 17:57
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Re: Heating questions..

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It won't react quickly, however you will save very little by not having it on all the time at say 21 degrees. It's only the electricity for the pump that gets used, the heat is free.
Good to know, thanks. I'm currently wading through the 120 page instruction manual. It seems complicated compared to a normal system but looks like it will be great once completely set up.
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  #54  
Old 02.12.2019, 20:59
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Re: Heating questions..

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If you go for a heat pump approach your existing piping and radiators would all, ideally, need replacing too. Well, the radiators at least, because the max heating water temperature is only going to be around 40 degC.
Thanks for your comment, but are you sure about the radiators needing to be replaced? My father in law went from Oil to pellet to warmepumpe and still has the same radiators.

Anyone else can comment on this?
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  #55  
Old 02.12.2019, 21:04
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Re: Heating questions..

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Thanks for your comment, but are you sure about the radiators needing to be replaced? My father in law went from Oil to pellet to warmepumpe and still has the same radiators.

Anyone else can comment on this?
In principle what Ace1 said is correct, but there may be exceptions if you have particularly effective radiators.
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  #56  
Old 03.12.2019, 08:35
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Re: Heating questions..

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Thanks for your comment, but are you sure about the radiators needing to be replaced? My father in law went from Oil to pellet to warmepumpe and still has the same radiators.

Anyone else can comment on this?
It'll be OK until it's -20° outside...
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  #57  
Old 03.12.2019, 13:25
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Re: Heating questions..

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It'll be OK until it's -20° outside...
Fortunately it is unlikely to get that cold in Würenlos, where the OP lives.

The heating system itself is just one part of the picture. How well the house is insulated and the type of windows play a large factor.

Sometimes it makes sense to install a new oil burner and make other improvements to keep the heat in and the cold out.
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  #58  
Old 03.12.2019, 13:35
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Re: Heating questions..

We've just finished a very extensive renovation where we considered replacing our oil fired system with a heat pump, at the end the mathematics for the heatpump for us didn't work out. So what we've ended up with is new windows, insulation on the outside walls, new roof, insulated, underfloor heating downstairs and replaced all the radiators with new ones upstairs. The best reason we could find for going for the heatpump would have been to create 1 new room on the groundfloor from the space the oil tank is (8000 litres of it).... but ultimately the cost of another 30 years of oil would have roughly been the price to upgrade to a heat pump. We were also going to add solar panels for hot water and also electricity, but in the end neither the subventions available nor the length of time for a payback were enough to justify the investment in either. Not sure if our case was particularly special. May get around to it again. Cost of the works for our case (to include quite some ground works etc) was well over 100k.
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Old 03.12.2019, 14:59
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Re: Heating questions..

OP, as you are in Aargau, why don't you contact these people who will be able to answer most, if not all, of your questions in a knowledgeable manner:

Departement Bau, Verkehr und Umwelt
Abteilung Energie
energieberatungAARGAU
Entfelderstrasse 22
5001 Aarau

Tel.: 062 835 45 40
energieberatung@ag.ch
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Old 03.12.2019, 15:48
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Re: Heating questions..

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We've just finished a very extensive renovation where we considered replacing our oil fired system with a heat pump, at the end the mathematics for the heatpump for us didn't work out. So what we've ended up with is new windows, insulation on the outside walls, new roof, insulated, underfloor heating downstairs and replaced all the radiators with new ones upstairs. The best reason we could find for going for the heatpump would have been to create 1 new room on the groundfloor from the space the oil tank is (8000 litres of it).... but ultimately the cost of another 30 years of oil would have roughly been the price to upgrade to a heat pump. We were also going to add solar panels for hot water and also electricity, but in the end neither the subventions available nor the length of time for a payback were enough to justify the investment in either. Not sure if our case was particularly special. May get around to it again. Cost of the works for our case (to include quite some ground works etc) was well over 100k.
We are of much the same opinion with heat pumps, they are only good if you have top notch insulation. Im a big fan of pellet stoves we have one and we are probably going ot get another for a different floor. when i ultimately replace all our heating, which is fairly efficient electric heating, i am still in favour of a pellet hopper buried in the garden feeding a pellet stove in the technical room. this heats up to the necessary level that your radiators can stay hot enough whatever the outside temp.
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