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[Aug. 11th, 2016|07:29 am]
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The air conditioning was fixed yesterday morning, just in time. It was a cooler than usual night and we weren't so uncomfortable that we couldn't get through our usual evening and morning.

Yesterday after work i went out, clumsily hacked into tree and shrub trunks, and applied high concentrations of glyphosate to the wounds. I'd done some tests with autumn olive a few weeks ago, and it seems promising. I was delighted to find that the goats had girdled the mimosa and that it was quite dead. They'd done some trunk damage to the trees of heaven, but not enough. I do worry that there will be mimosa suckers for ages -- although maybe if we get the copper phosphate in the septic field that will be addressed.

In repairing the HVAC, Ken (the HVAC guy) noticed some other issues. He gave his advice, but i'm going to run it by my dad before acting on it. I also posted my thoughts to the county BBS. The county BBS certainly seems to have plenty of folks ready to dismiss liberals as the evil that is ruining the country. Then there's the right wing rumor machine at work: yesterday some one was pushing the theory that H Clinton is having transient small strokes. Nonetheless, i'm finding it fairly easy to filter the political noise from the neighborly signal. And for local politics, such as the preemptive zoning of the whole county, it is useful to read everyone's concerns.

So, before we bought our place in April, we had the sellers install a new condensation barrier in the crawlspace. Yesterday morning we had our HVAC friend out (heat pump had stopped due to a poor design of its condensation drain - again), and he noted that there was now condensation pooling on top of the barrier. He said he'd seen a lot of this recently, and the answer was sealing up the crawlspace instead of venting.

It seems to me that sealing up would be an amplifying choice: as long as it's dry, great, but if any moisture did get in, it would be harder to dry out. I suppose one could run a dehumidifier in the crawl space, but i'm not thrilled with yet another system to keep going.

Finding a way for pooled water to drain down through the moisture barrier seems like it would solve the current issue and still not allow much moisture to rise. Or maybe more effective venting? Some fan system? (Although that's another active system to maintain.)

I do like the hickory flooring, and i really hate mold.


[User Picture]From: randomdreams
2016-08-12 02:05 am (UTC)
I am surprised he's suggesting sealing. Even with the vapor barrier, water is still going to get in there. I am no expert but I feel like more ventilation is always the answer. Possibly combined with insulation beneath the floor, if the issue is that the exterior air is hot and humid and being drawn in and condensing on the bottom side of the cooler floor.
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[User Picture]From: elainegrey
2016-08-12 10:23 am (UTC)
That was certainly my thought too. The link to a study i got back showed that both moisture issues and cooling/heating costs were reduced. I still have this feeling that if you seal it all up, if moisture gets in, it's going to stay.

It's been a very humid spring and summer. It's reassuring to hear local folks remarking because it gives me a little hope this isn't normal. On the other hand, after four years of drought, what do i know about humid?
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[User Picture]From: johnpalmer
2016-08-23 03:23 pm (UTC)
I think the idea might be that the rest of the house will provide the venting - but I'm not sure of the ideas, and I can't work out in my head whether or why it might work.
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