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Search took 0.00 seconds. Search: Posts Made By: Zwerius
Forum: Geothermal & Heat Pumps 01-03-21, 09:35 AM
Replies: 0
Views: 102
Posted By Zwerius
How our energy system performed over 2020

I thought you might like this:


https://i.postimg.cc/PxWWmj8s/sankeymatic-2300x1200-2020-English.png



For all details, you can take a look at my website.
It's in Dutch, but Google...
Forum: Renovations & New Construction 08-08-19, 05:51 AM
Replies: 13
Views: 2,638
Posted By Zwerius
Here's another one:...

Here's another one: https://vimeo.com/335818817?width=800&height=480
Forum: Solar Power 04-04-19, 08:40 AM
Replies: 22
Views: 3,849
Posted By Zwerius
Hi Tom, I'm using Kyocera KC125-G2. These...

Hi Tom,

I'm using Kyocera KC125-G2. These are 125 Wp panels.
I'm using them for over 15 years now. And there's no sign of deterioration.
See the efficiency graph (over the years) on my (Dutch)...
Forum: Renovations & New Construction 12-27-18, 06:37 AM
Replies: 2
Views: 1,137
Posted By Zwerius
I insulated my main entrance door with vacuum...

I insulated my main entrance door with vacuum panels: https://geen-energierekening-meer.weebly.com/de-voordeur.html
Website is in Dutch, but Google Translate can help!
Forum: Renovations & New Construction 08-25-18, 12:28 PM
Replies: 5
Views: 2,803
Posted By Zwerius
6" is more or less "old school" overhere in the...

6" is more or less "old school" overhere in the Netherlands. 4" (or even less!!) is favourable, especially when you are using a heatpump. Or if you are planning to use one in the future.
More...
Forum: The Billiards Room 08-12-18, 12:52 PM
Replies: 2
Views: 1,810
Posted By Zwerius
May be it's good to read this article in the NYT:...

May be it's good to read this article in the NYT: https://www.nytimes.com/interactive/2018/08/01/magazine/climate-change-losing-earth.html
Forum: Solar Power 07-14-18, 12:47 PM
Replies: 11
Views: 2,520
Posted By Zwerius
I don't understand the prices in the US. Over...

I don't understand the prices in the US. Over here (the Netherlands in Europe) we pay about € 1,15/Watt (=approx. $ 1,40) including cabling, inverter, mounting etc.
Why are the prices so much higher...
Forum: Lawn and Garden 06-18-18, 02:00 PM
Replies: 0
Views: 2,086
Posted By Zwerius
RAM-pump

I installed a RAM pump for watering the garden.
Description on my website (in Dutch; you can use google translate):https://geen-energierekening-meer.weebly.com/ram-pomp.html
You can see it in...
Forum: Geothermal & Heat Pumps 04-02-18, 11:38 AM
Replies: 5
Views: 3,228
Posted By Zwerius
Should the pressure/temperature at the exit of...

Should the pressure/temperature at the exit of the evaporator not be depending on the ambient (outside) temperature?
Forum: Solar Power 01-17-18, 09:58 AM
Replies: 8
Views: 2,061
Posted By Zwerius
I can only show you the efficiency of my panels...

I can only show you the efficiency of my panels over 14 years of use.
My website is in Dutch, but the graph speaks for itself: vertical=efficiency (based on panel area, not cell area) and...
Forum: Solar Power 01-04-18, 04:33 AM
Replies: 1
Views: 1,213
Posted By Zwerius
Nearly energy neutral again in 2017 (incl. 2 e-cars)

Just for your information:
We managed to get close to energy neutral again in 2017.
And this was including:

heating
DHW
residential use (ligths TV's, refrigerator, computers, etc.)
BMW-i3...
Forum: Other Improvements 11-02-17, 06:02 AM
Replies: 3
Views: 1,896
Posted By Zwerius
Yes, that's thin. But it is functioning very...

Yes, that's thin. But it is functioning very well.
I'm having a max. watertemperature (supply to the floor) of 32°C (89.6 F) in winter. The heating is calculated for an outside temperature of -12°C...
Forum: Conservation 06-29-17, 11:39 AM
Replies: 569
Views: 635,353
Posted By Zwerius
Looks good. Did you do any temperature...

Looks good.
Did you do any temperature measurements in/out and in/out?
So what's the efficiency?
Forum: Geothermal & Heat Pumps 06-29-17, 06:43 AM
Replies: 21
Views: 5,193
Posted By Zwerius
As far as I know, many refrigerant compressors...

As far as I know, many refrigerant compressors are not able to start up against a backpressure. Normally after stopping the compressor, after a while the pressures in condensor and evaporator will be...
Forum: Geothermal & Heat Pumps 06-23-17, 02:18 AM
Replies: 11
Views: 4,497
Posted By Zwerius
Ator, Thanks. How can I send a PM to you? ...

Ator,

Thanks.
How can I send a PM to you?
Can't seem to find this option.
Forum: Geothermal & Heat Pumps 06-21-17, 11:37 AM
Replies: 11
Views: 4,497
Posted By Zwerius
Ator, Kun je me naam en adres geven van waar je...

Ator,
Kun je me naam en adres geven van waar je de unit hebt gekocht?
Daar heb ik ook wel belangstelling voor....

m.vr.gr.,
Zwerius Kriegsman.
geen energierekening meer: energie + woonhuis van...
Forum: Biofuels 02-26-17, 08:54 AM
Replies: 31
Views: 11,140
Posted By Zwerius
May all be true, but my question was: what has it...

May all be true, but my question was: what has it got to do with biofuels or ECOrenovator?

This is not just a DIY-forum as far as I know...

So, does it belong in this forum?
Forum: Biofuels 02-26-17, 06:55 AM
Replies: 31
Views: 11,140
Posted By Zwerius
Maybe, it's because I'm not American. But I...

Maybe, it's because I'm not American.
But I thought WMO means Waste Motor Oil.
If this is correct, it may be cheap to use, but what has it got to do with biofuels or ECOrenovator?
Forum: Geothermal & Heat Pumps 02-07-17, 09:00 AM
Replies: 8
Views: 1,810
Posted By Zwerius
The forming of ice in the evaporator is mostly...

The forming of ice in the evaporator is mostly determined by the amount (and temperature) of the well water. So if the flow is high enough, no ice formation will occur.

Rotating mass has only...
Forum: Geothermal & Heat Pumps 02-06-17, 04:55 PM
Replies: 8
Views: 1,810
Posted By Zwerius
Yes, the idea was to have a number of separate...

Yes, the idea was to have a number of separate refrigerant loops.
In the moment I don't know if putting the heat excahngers in series would be the best option. Maybe in parallel, with valves to...
Forum: Geothermal & Heat Pumps 02-06-17, 03:30 PM
Replies: 8
Views: 1,810
Posted By Zwerius
Heatpump from number of old refrigerators?

I was thinking about building a heatpump consisting of a number of old refrigerators. So actually a number of small heatpumps in parallel. By switching on a larger number by colder weather, you have...
Forum: Geothermal & Heat Pumps 12-16-16, 11:44 AM
Replies: 267
Views: 90,690
Posted By Zwerius
Overhere (in the Netherlands), it's a law that...

Overhere (in the Netherlands), it's a law that you can use the electricity you supplied to the grid in one calendar-year. This regulation will be at least until 2023. Same rates for supplying to and...
Forum: Solar Power 10-29-16, 11:58 AM
Replies: 15
Views: 3,350
Posted By Zwerius
Elon Musk did it again

Beautifull solar roofs, everybody was waiting for.
Is the rest of the solar industry sleeping?
See this video: https://www.youtube.com/watch?v=4sfwDyiPTdU&feature=youtu.be
Forum: Renovations & New Construction 10-29-16, 11:45 AM
Replies: 16
Views: 4,238
Posted By Zwerius
If you have to heat your house like we do (in the...

If you have to heat your house like we do (in the Netherlands 55°North), I would suggest to make the distance between the tubes much smaller. This causes a lower required water temperature in the...
Forum: Renovations & New Construction 10-25-16, 03:38 AM
Replies: 7
Views: 2,090
Posted By Zwerius
Just to avoid misunderstandings: R=3.5 in the...

Just to avoid misunderstandings: R=3.5 in the Netherlands has different units than in the USA. So it's not the American R=3.5.
In Holland the units are R=3.5 m2K/W
Showing results 1 to 25 of 63
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