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Search took 0.00 seconds. Search: Posts Made By: S-F
Forum: Conservation 05-08-12, 07:09 PM
Replies: 59
Views: 39,503
Posted By S-F
Is there much radon Radon where you live? There...

Is there much radon Radon where you live? There is here and that makes Earth tubes all but useless..... if not actually dangerous. I love the idea but it appears to just not be reasonable in New...
Forum: Conservation 05-08-12, 05:13 PM
Replies: 59
Views: 39,503
Posted By S-F
I realized that I simply made a statement about...

I realized that I simply made a statement about opening a window vs. mechanical ventilation and didn't back it up with any logic. Let's go back to the burnt rice. Imagine your house is filled with...
Forum: Conservation 05-08-12, 03:55 PM
Replies: 59
Views: 39,503
Posted By S-F
Have any of the people here who are advocating...

Have any of the people here who are advocating smaller than recommended ventilation rates spent any length of time in a house that's really tight with the HRV turned off? Like spending two days and a...
Forum: Conservation 04-27-12, 06:57 PM
Replies: 59
Views: 39,503
Posted By S-F
Ok. Let's clear this up. ACH 50 is a blower...

Ok. Let's clear this up.

ACH 50 is a blower door measurement. ONLY. One of the passivhaus criteria is that the blower door measurement can't exceed .6 ach @ 50 pascals of depressurization.

The...
Forum: Conservation 04-27-12, 12:46 PM
Replies: 59
Views: 39,503
Posted By S-F
The passsivehaus blower door bust me 0.6 ACH 50....

The passsivehaus blower door bust me 0.6 ACH 50. The recommendations for mechanical ventilation are something like 3-4 ACH for HRV blowers.
Forum: Conservation 04-26-12, 09:57 AM
Replies: 59
Views: 39,503
Posted By S-F
HRV's come with a control unit that allows you to...

HRV's come with a control unit that allows you to adjust the fan speed. And don't forget that you may have a .25 ACH turn around but you are only loosing 40% of that heat if your unit is 6%...
Forum: Conservation 04-25-12, 03:50 PM
Replies: 59
Views: 39,503
Posted By S-F
AC_Hacker, that was the best thing I've read all...

AC_Hacker, that was the best thing I've read all day.
Forum: Conservation 04-25-12, 10:12 AM
Replies: 59
Views: 39,503
Posted By S-F
The way these gadgets I know of were created was...

The way these gadgets I know of were created was with a rubber flap at the bottom and a fan using a small PV panel to open the flap with negative pressure. I don't think people used thermostats.
Forum: Conservation 04-25-12, 09:45 AM
Replies: 59
Views: 39,503
Posted By S-F
You can crack a window if you loose power I...

You can crack a window if you loose power I guess. It's better than having a leaky house. how often do you loose power? I'm sure less often than the amount of time you have power. A ERV reclaims...
Forum: Conservation 04-24-12, 11:14 PM
Replies: 59
Views: 39,503
Posted By S-F
Honestly I can't believe there is doubt about...

Honestly I can't believe there is doubt about fresh air here. If anyone has spent any amount of time in a really tight house you wouldn't question. You wake up half dead with no HRV running and every...
Forum: Conservation 04-23-12, 06:40 PM
Replies: 59
Views: 39,503
Posted By S-F
But you have access to the plenum, right? Why not...

But you have access to the plenum, right? Why not just plumb the HRV in there?
Forum: Conservation 04-23-12, 03:18 PM
Replies: 59
Views: 39,503
Posted By S-F
MNRenovator, a ductwork retrofit is only an issue...

MNRenovator, a ductwork retrofit is only an issue if you have a multi story house or a slab on grade house. I thought you had a ranch?
Forum: Conservation 04-22-12, 11:10 AM
Replies: 59
Views: 39,503
Posted By S-F
Yeah but you use a 60% efficient HRV and you get...

Yeah but you use a 60% efficient HRV and you get the benefits of fresh air (I don't think anyone here is going to argue about how important fresh air is) while being able to direct it exactly where...
Forum: Conservation 04-17-12, 06:18 AM
Replies: 59
Views: 39,503
Posted By S-F
If you have direct vent heat/hot water you can...

If you have direct vent heat/hot water you can install a good range hood and just rely on negative pressure to bring fresh air into the house. Some people are installing a bath fan on each floor on a...
Showing results 1 to 14 of 14

 
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