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Search: Posts Made By: Otto
Forum: Solar Heating 05-19-09, 12:00 PM
Replies: 10
Views: 18,511
Posted By Otto
Or, if you just want to heat up some air, look...

Or, if you just want to heat up some air, look into using flat panels made of Coroplast. That's the stuff realtors and politicians use for signs, a plastic equivalent of corrugated cardboard, with...
Forum: Solar Heating 05-19-09, 10:40 AM
Replies: 10
Views: 18,511
Posted By Otto
For a lot less money and work, why not make one...

For a lot less money and work, why not make one of those inflatable reflectors? Sorta like an inflatable helium balloon made of Mylar, but has the reflecting material on the back side and clear...
Forum: Conservation 04-30-09, 01:05 PM
Replies: 66
Views: 83,721
Posted By Otto
You might want to consider the following: ...

You might want to consider the following:

-bigger than 5 gallon holding tank, perhaps a larger plastic bucket or somesuch, as the discharge from the washer may overwhelm or overflow the 5 gallon...
Forum: Conservation 04-28-09, 01:24 AM
Replies: 66
Views: 83,721
Posted By Otto
Excuse me, as I've not read the whole thread, so...

Excuse me, as I've not read the whole thread, so this may have already been discussed:

Why not use a branched-drain greywater system? Uses only a surge tank, perhaps a plastic garbage can, of ~40...
Forum: Lawn and Garden 01-13-09, 01:36 AM
Replies: 51
Views: 39,645
Posted By Otto
11. Saves time on Nautilus machines.

11. Saves time on Nautilus machines.
Forum: Geothermal & Heat Pumps 01-13-09, 01:28 AM
Replies: 25
Views: 33,786
Posted By Otto
If it's a heat pump, I think to heat it absorbs...

If it's a heat pump, I think to heat it absorbs heat from the air or whatever medium (i.e., ground water), and to cool it disperses heat to that medium. So, it heats or cools by running forwards or...
Forum: Geothermal & Heat Pumps 01-12-09, 09:59 AM
Replies: 25
Views: 33,786
Posted By Otto
Then you're in excellent shape: Rent one of...

Then you're in excellent shape: Rent one of those 2-stroke augers to drill down to the ground water, to a depth ~10' below the water table, making a couple of holes laterally separated by ~50' to...
Forum: Geothermal & Heat Pumps 01-12-09, 01:20 AM
Replies: 25
Views: 33,786
Posted By Otto
If you have a stream flowing past, or a beach, or...

If you have a stream flowing past, or a beach, or the aquifer has flow through it, you might not need a pump, as the water comes to you courtesy of Mother Nature.
Forum: Geothermal & Heat Pumps 01-12-09, 01:14 AM
Replies: 41
Views: 33,553
Posted By Otto
Well, I asked my brother about this. because he's...

Well, I asked my brother about this. because he's taken some airconditioning/heat pump, freon classes, and got some sort of basic certification in that stuff. Not a seasoned veteran of the HVAC...
Forum: Renovations & New Construction 12-21-08, 05:24 PM
Replies: 4
Views: 8,168
Posted By Otto
Keep in mind that the vapor barrier is a barrier...

Keep in mind that the vapor barrier is a barrier to movement of moisture. Duh.

So, if you encapsulate a source of moisture, such as the lumber framing of your moist bathroom or laundry room, that...
Forum: Renovations & New Construction 12-21-08, 05:15 PM
Replies: 9
Views: 6,728
Posted By Otto
I lived in Europe as a kid, and there they have...

I lived in Europe as a kid, and there they have double windows, plus shutters. Not double-pane windows like ours here today, but two separate & parallel sets of windows with a sill in between, which...
Forum: Geothermal & Heat Pumps 12-21-08, 04:58 PM
Replies: 41
Views: 33,553
Posted By Otto
Why would a conventional heat pump not work if...

Why would a conventional heat pump not work if immersed in water?

Suppose you have a house on a lake or river, or ground water at easy depth.

If using such water source as a medium, simply...
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