Forum: Conservation
03-20-19, 02:24 PM
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Replies: 575
Views: 1,160,313
The filters and/or ventilation motors may get...
The filters and/or ventilation motors may get wet.
Excessive moisture may lead to mold.
Enough water can start to clog some of the passages, both reducing efficiency and increasing risk of mold....
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Forum: Conservation
12-18-16, 02:21 PM
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Replies: 575
Views: 1,160,313
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Forum: Conservation
10-08-16, 02:10 PM
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Replies: 575
Views: 1,160,313
One large diameter channel will give you less...
One large diameter channel will give you less noise (and less resistance) than two individual channels. If you can afford (either price- or space-wise) a larger diameter, then go for it! You can...
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Forum: Conservation
01-14-16, 02:33 PM
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Replies: 575
Views: 1,160,313
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Forum: Conservation
06-11-14, 11:23 PM
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Replies: 575
Views: 1,160,313
Run your intake air through a few meters of...
Run your intake air through a few meters of buried tube(s). That way it will be precooled in the summer (and slightly dehumidified) and prewarmed in the winter. Not only does this increase the...
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Forum: Conservation
04-18-13, 11:23 PM
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Replies: 575
Views: 1,160,313
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Forum: Conservation
01-25-13, 12:23 AM
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Replies: 575
Views: 1,160,313
Welcome back Pladijs:) Congrats on building a...
Welcome back Pladijs:) Congrats on building a working HRV.
I took a look at your numbers on the website and I noticed the following:
Should these two be switched? The RH should be lower after...
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Forum: Conservation
01-22-13, 02:49 PM
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Replies: 575
Views: 1,160,313
How about the ingoing air blowing over a small...
How about the ingoing air blowing over a small pan of water? This would catch some of the evaporation, increasing RH a bit. Also, the more humid the air, the less water vapor it will pick up. The up...
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Forum: Conservation
01-15-13, 04:19 PM
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Replies: 575
Views: 1,160,313
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Forum: Conservation
01-15-13, 09:20 AM
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Replies: 575
Views: 1,160,313
There shouldn't be much condensation since the...
There shouldn't be much condensation since the temperature difference across the HX will be no more than a few degrees. In some cases there might be some, but it will be in the duct already going to...
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Forum: Conservation
01-14-13, 09:55 AM
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Replies: 575
Views: 1,160,313
Notice two pairs of ducts: (bathroom &...
Notice two pairs of ducts: (bathroom & livingroom) and (bedroom1 & kitchen). In both pairs one intake and one exhaust duct run next to each other for 2-4 meters. Can you turn each pair of ducts into...
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Forum: Conservation
01-10-13, 11:45 AM
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Replies: 575
Views: 1,160,313
I'm not claiming that this is an objectively...
I'm not claiming that this is an objectively sound way of describing HRV/boiler/furnace efficiency, it's just the way that they are marketed.
There was an efficiency scale used in the times before...
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Forum: Conservation
01-10-13, 09:47 AM
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Replies: 575
Views: 1,160,313
Mold happens in damp environments without much...
Mold happens in damp environments without much airflow. There is lots of airflow inside the recuperator, but there may be corners inside the HX core with less ventilation.
Also, moist cardboard...
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Forum: Conservation
01-10-13, 12:01 AM
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Replies: 575
Views: 1,160,313
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Forum: Conservation
01-09-13, 02:20 PM
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Replies: 575
Views: 1,160,313
Fornax & Kostas: One more HUGE thanks for...
Fornax & Kostas: One more HUGE thanks for building your recuperators and for sharing the details here. The step-by-step write-up is priceless for any would-be DIYer with less than ideal manual...
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Forum: Conservation
12-31-12, 10:49 AM
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Replies: 575
Views: 1,160,313
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Forum: Conservation
12-23-12, 01:56 PM
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Replies: 575
Views: 1,160,313
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Forum: Conservation
12-21-12, 01:38 PM
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Replies: 575
Views: 1,160,313
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Forum: Conservation
12-20-12, 11:26 PM
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Replies: 575
Views: 1,160,313
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Forum: Conservation
12-17-12, 12:29 AM
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Replies: 575
Views: 1,160,313
Two fans are good not only for flexibility, but...
Two fans are good not only for flexibility, but can also (potentially) reduce energy usage. During the nice warm spring and autumn there will be a few weeks or months when you won't really need the...
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Forum: Conservation
12-14-12, 11:40 PM
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Replies: 575
Views: 1,160,313
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Forum: Conservation
12-14-12, 02:36 PM
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Replies: 575
Views: 1,160,313
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Forum: Conservation
12-11-12, 03:55 PM
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Replies: 575
Views: 1,160,313
Ooooo, this project will be fun!
I think I...
Ooooo, this project will be fun!
I think I recall reading that using ECM squirrel cage motors is the most efficient and quietest solution, though not the cheapest. Not sure what kind of airflow...
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Forum: Conservation
03-01-12, 07:54 AM
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Replies: 575
Views: 1,160,313
Hello Gasper, welcome to EcoRenovator:)
I...
Hello Gasper, welcome to EcoRenovator:)
I inserted the link's url in your post. BTW, is that your web site?
I think that using cardboard for testing is a good idea. It's much cheaper and easier...
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Forum: Conservation
01-05-12, 02:34 PM
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Replies: 575
Views: 1,160,313
Nice numbers, AC and Mike:)
Over at the...
Nice numbers, AC and Mike:)
Over at the Polish builders forum someone posted this (http://forum.muratordom.pl/showthread.php?57886-Rekuperator-quot-tymi-r%C4%99cami-quot-robiony&p=3985896):...
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