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Search: Posts Made By: kostas
Forum: Conservation 04-04-18, 06:48 AM
Replies: 569
Views: 668,528
Posted By kostas
Hey guys, here's the post in my blog for the diy...

Hey guys, here's the post in my blog for the diy ultrasonic humidificator I've made for my heat exchanger: https://diyvmc.wordpress.com/2018/03/30/umidificazione/
It is in Italian but you can use...
Forum: Conservation 03-23-18, 08:21 AM
Replies: 569
Views: 668,528
Posted By kostas
I have 200 qm of air volume and my HVAC is set to...

I have 200 qm of air volume and my HVAC is set to 120 qm/h of fresh air ventilation.
The needed amount depends on the gap between the current and the comfort RH level (45% @20C). Maybe two...
Forum: Conservation 03-23-18, 07:55 AM
Replies: 569
Views: 668,528
Posted By kostas
The steam production is approximately 300ml/h. It...

The steam production is approximately 300ml/h. It is too early to tell for the white dust problem, I also read about it in the web. We'll se next winter.
I did it myself spending roughly €50,...
Forum: Conservation 03-12-18, 11:08 AM
Replies: 569
Views: 668,528
Posted By kostas
Hi Meelis, glad we inspired your project! ;)...

Hi Meelis,

glad we inspired your project! ;)
You should avoid of course frosting. You have few options for this, either you stop the ventilation when exhausting air riches limit temperature, that...
Forum: Conservation 01-09-18, 03:22 AM
Replies: 569
Views: 668,528
Posted By kostas
Thanks Rebuilder, hope my effort helps everyone...

Thanks Rebuilder, hope my effort helps everyone out there ;)
Forum: Conservation 09-22-17, 02:29 AM
Replies: 569
Views: 668,528
Posted By kostas
Thanks mate! ;) It is aluminium tape, used for...

Thanks mate! ;)
It is aluminium tape, used for insulating heat pipes and stuff like that. You can find it the hardware shop.
Forum: Conservation 09-19-17, 07:09 AM
Replies: 569
Views: 668,528
Posted By kostas
:thumbup:Glad to help!

:thumbup:Glad to help!
Forum: Conservation 07-27-17, 07:00 AM
Replies: 569
Views: 668,528
Posted By kostas
Tinco, as you can see here...

Tinco, as you can see here (http://www.recair.com/recuperator_models.php) the calculation is on a 21 dT basis.
Maybe you should consult the ASHRAE requirements for more details.
Forum: Conservation 07-04-17, 03:50 AM
Replies: 569
Views: 668,528
Posted By kostas
Thanks, Fornax. It was a promise I made to the...

Thanks, Fornax. It was a promise I made to the whole community of tinkerers out there, I hope it helps! :thumbup:
Forum: Conservation 06-30-17, 02:33 AM
Replies: 569
Views: 668,528
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: 668,528
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 03-09-16, 08:20 AM
Replies: 569
Views: 668,528
Posted By kostas
I used a 6 pole cable, the one usually used for...

I used a 6 pole cable, the one usually used for home alarm systems, 4X0.22mm+2x0.50mm. It is also shielded so you have no interference problems ;)
I just bought a 7" china android tablet for...
Forum: Conservation 03-09-16, 07:33 AM
Replies: 569
Views: 668,528
Posted By kostas
I use the DHT22 for both temperature and RH. ...

I use the DHT22 for both temperature and RH.
I'll place them like this inside the HRV chassis:

Income fresh air (in the outside hood)
Fresh air right after heat exchanger for calculating the...
Forum: Conservation 03-09-16, 06:31 AM
Replies: 569
Views: 668,528
Posted By kostas
Excellent work, congrats! What kind of glue did...

Excellent work, congrats!
What kind of glue did you use for the foam?
May I ask how much did you pay for the Recair?
Forum: Conservation 03-07-16, 03:25 PM
Replies: 569
Views: 668,528
Posted By kostas
Btw guys, here's a sneak peak of the 2.0 diy hrv...

Btw guys, here's a sneak peak of the 2.0 diy hrv unit I'm currently working on.
Featuring two centrifugal EC brushless fans, 650m3/h each, post heating radiator, homemade countercurrent 600mm heat...
Forum: Conservation 03-07-16, 02:54 PM
Replies: 569
Views: 668,528
Posted By kostas
Hi ferox, I see some great work there, looking...

Hi ferox, I see some great work there, looking forward to see what's coming up next!
I'm afraid I don't understand what you mean about the dht sensors. I placed them inside the case of the hrv, in a...
Forum: Conservation 05-15-15, 05:03 PM
Replies: 569
Views: 668,528
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: 668,528
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: 668,528
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: 668,528
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: 668,528
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: 668,528
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 02-08-14, 01:25 PM
Replies: 569
Views: 668,528
Posted By kostas
Recair makes excellent exchangers. Indeed, I...

Recair makes excellent exchangers. Indeed, I recently saw one of them installed in a custom made ERV and the fans inside were rated 800 m3/h. :)
Forum: Conservation 02-07-14, 03:45 PM
Replies: 569
Views: 668,528
Posted By kostas
Ok then, I'll be there by Sunday :D How many...

Ok then, I'll be there by Sunday :D

How many cfm or m2/h can you push trough that recair exchanger? Was it the 160 model?
Forum: Conservation 02-06-14, 02:57 PM
Replies: 569
Views: 668,528
Posted By kostas
Good to see some new stuff here :) Fornax, I...

Good to see some new stuff here :)
Fornax, I have some doubts about this, though. If you draw the air from the crawl space, you simply recycle it as it comes from your house and not from outside....
Showing results 1 to 25 of 89

 
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