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Search: Posts Made By: kostas
Forum: Conservation 06-30-17, 02:33 AM
Replies: 569
Views: 666,562
Posted By kostas
Yes, over 90% with 20 C Δt

Yes, over 90% with 20 C Δt
Forum: Conservation 06-29-17, 08:23 AM
Replies: 569
Views: 666,562
Posted By kostas
Hi guys, what goes around comes around, so here I...

Hi guys, what goes around comes around, so here I am with the latest news: I finally finished my diy HRV system!To be honest I completed and installed it last February but only now I managed to make...
Forum: Conservation 05-15-15, 05:03 PM
Replies: 569
Views: 666,562
Posted By kostas
Thanks, glad to contribute. AC, the covers are...

Thanks, glad to contribute.
AC, the covers are machined punched, the two small ones are shelves from the local IKEA store and the long one (kitchen) is custom made. There are more than 3200 5mm...
Forum: Conservation 05-15-15, 09:59 AM
Replies: 569
Views: 666,562
Posted By kostas
<<<continued from previous post<<< To the...

<<<continued from previous post<<<

To the bedrooms PAL ductwork:

http://ecorenovator.org/forum/attachment.php?attachmentid=5317&d=1431701603

The beast is on!
...
Forum: Conservation 05-15-15, 09:51 AM
Replies: 569
Views: 666,562
Posted By kostas
<<<continued from previous post<<< Over the...

<<<continued from previous post<<<

Over the stairs return grille:

http://ecorenovator.org/forum/attachment.php?attachmentid=5307&d=1431700933

2nd bathroom return grille while checking air...
Forum: Conservation 05-15-15, 09:38 AM
Replies: 569
Views: 666,562
Posted By kostas
<<<continued from previous post<<< Grilles...

<<<continued from previous post<<<

Grilles and filters:

http://ecorenovator.org/forum/attachment.php?attachmentid=5297&d=1431700022...
Forum: Conservation 05-15-15, 09:23 AM
Replies: 569
Views: 666,562
Posted By kostas
<<<continued from previous post<<< Twin...

<<<continued from previous post<<<

Twin plenum installed:

http://ecorenovator.org/forum/attachment.php?attachmentid=5287&d=1431699184

Kitchen boots installed:
...
Forum: Conservation 05-15-15, 09:08 AM
Replies: 569
Views: 666,562
Posted By kostas
My DIY HRV system completed

Hi people, it's been a while since my last post, after many months of hard work I finished what I call the first version of my complete DIY HRV home system. As I previously said I wanted full-house...
Forum: Conservation 04-18-13, 03:55 PM
Replies: 569
Views: 666,562
Posted By kostas
Nearly 40w / 24h use (worst case) means aprox...

Nearly 40w / 24h use (worst case) means aprox 1Kwh/day, that's almost €6/month, at least here in Italy. Not bad at all, a better living surely worth it!
Thanks for your feedback, Fornax ;)
Forum: Conservation 03-09-13, 01:48 PM
Replies: 105
Views: 61,166
Posted By kostas
Excellent work AC ;)

Excellent work AC ;)
Forum: Conservation 03-08-13, 02:27 AM
Replies: 105
Views: 61,166
Posted By kostas
As I said earlier, the DHT22 is more accurate as...

As I said earlier, the DHT22 is more accurate as it ranges from -40 to +125C with a +-0,5% accuracy.
You can find the differences between the two sensors here:
Overview | DHTxx Sensors | Adafruit...
Forum: Conservation 02-01-13, 05:12 AM
Replies: 569
Views: 666,562
Posted By kostas
I was working on the operational part of my...

I was working on the operational part of my DIYHRV.
In this hypothesis I used Fornax's Comair motors and tried to figure how the various apparatus I'd like to use generally fit and combine.
Here is...
Forum: Conservation 01-27-13, 06:08 AM
Replies: 569
Views: 666,562
Posted By kostas
(continues from previous post). I made up a...

(continues from previous post).

I made up a frame to easily stack and hold inside the sheets for each HX using two plywood 10mm thick sheets as top and bottom and 4 angular aluminum profiles for...
Forum: Conservation 01-27-13, 05:46 AM
Replies: 569
Views: 666,562
Posted By kostas
Hi all, here are some construction details...

Hi all,

here are some construction details of what I did since last july or so..:)

For first thing I made up the two HXs, one with coroplast sheets (which is a 3,3 mm thick Polypropylene...
Forum: Conservation 01-09-13, 04:30 PM
Replies: 569
Views: 666,562
Posted By kostas
Thanks Piwoslaw, it was a pleasure sharing ;) I...

Thanks Piwoslaw, it was a pleasure sharing ;)
I would like to wait a while for a step-by-step guide as I am still heavy-testing the machine, that's to avoid giving wrong instructions to the people....
Forum: Conservation 12-31-12, 07:59 AM
Replies: 569
Views: 666,562
Posted By kostas
Hi all, I finally finished the DIY HRV and...

Hi all,

I finally finished the DIY HRV and plugged it to the wall of my living room!
It's been working for about an hour now at minimum velocity, outside temperature is 10,0 degrees Celcius,...
Forum: Conservation 12-21-12, 01:59 AM
Replies: 569
Views: 666,562
Posted By kostas
Piwoslaw I had already done some tests...

Piwoslaw I had already done some tests (http://www.energeticambiente.it/fai-da-te/14748380-costruzione-impianto-vmc-con-recupero-energetico-2.html#post119378716) with the two versions earlier this...
Forum: Conservation 12-11-12, 02:48 AM
Replies: 569
Views: 666,562
Posted By kostas
Hello guys, I'm following this interesting...

Hello guys,

I'm following this interesting thread for quite a time now.
Back here in Italy we are also aware about the in-house air quality, so i tried to give it a try on my own.
You can see...
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