Forum: Conservation
04-23-12, 08:10 AM
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Replies: 59
Views: 46,622
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Forum: Renovations & New Construction
03-03-12, 07:20 AM
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Replies: 4
Views: 8,122
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Forum: Renovations & New Construction
03-02-12, 10:13 PM
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Replies: 4
Views: 8,122
Old houses and rubble foundations
I came across a very informative article about retrofitting old houses that have rubble foundation walls. It's very interesting to me, since these are the kind of walls that my basement has and I've...
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Forum: Conservation
02-29-12, 07:48 AM
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Replies: 48
Views: 92,145
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Forum: Conservation
02-28-12, 09:37 PM
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Replies: 1
Views: 6,357
Sealing the basement (continued)
I picked up a 4" x 8" sheet of 2" rigid blue foam board and a can of Touch N' Foam minimal expanding spray foam from my local small-town lumber yard for about $42.
...
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Forum: Conservation
02-28-12, 08:54 PM
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Replies: 1
Views: 6,357
Sealing the basement
Well, I am currently in the sealing and insulating phase of energy-proofing this old house. I figure the best place to start is the basement. There are quite a few projects down there that can give...
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Forum: Biofuels
02-27-12, 03:11 PM
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Replies: 70
Views: 134,898
Excellent video! I have been looking for...
Excellent video! I have been looking for something like this because I also plan on modifying my woodstove for secondary combustion. So it's basically perforated air tubes that run up the back and...
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Forum: Biofuels
02-27-12, 03:04 PM
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Replies: 70
Views: 134,898
That's usually a sign that the fire is burning...
That's usually a sign that the fire is burning too hot with not enough air, OR that too much air is being fed to a cool fire. You said that it had a combustion air fan, correct? Is there a damper or...
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Forum: Geothermal & Heat Pumps
02-27-12, 09:10 AM
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Replies: 11
Views: 15,291
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Forum: Geothermal & Heat Pumps
02-27-12, 08:45 AM
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Replies: 245
Views: 231,670
Wow Vlad, that is quite the drilling rig!...
Wow Vlad, that is quite the drilling rig! :thumbup:
I'm not sure I want to go through that much trouble to drill two shallow wells. But I can definitely see the benefit of having one of those to...
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Forum: Biofuels
02-27-12, 06:36 AM
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Replies: 70
Views: 134,898
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Forum: Geothermal & Heat Pumps
02-25-12, 06:14 PM
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Replies: 245
Views: 231,670
Now we need some experience, advice, educated...
Now we need some experience, advice, educated guesses? I am very interested in this because open loop is probably the only way I'll ever get geo in my big house on a little town plot. The yard is way...
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Forum: The Billiards Room
02-23-12, 07:02 PM
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Replies: 30
Views: 22,814
You might be an EcoRenovator if...
You...
You might be an EcoRenovator if...
You won't buy CFL bulbs because you don't want to wait another 10 years to get LEDs.
You consider anything below 2.0 COP to be inefficient.
You spend...
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Forum: Geothermal & Heat Pumps
02-13-12, 05:32 PM
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Replies: 11
Views: 15,291
I think the trick is to tune to system and...
I think the trick is to tune to system and changeover temp to always use the cheaper source of heat. That is one advantage of a dual-fuel system. As mentioned before, at my gas and electric rates the...
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Forum: Geothermal & Heat Pumps
02-13-12, 12:07 PM
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Replies: 11
Views: 15,291
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Forum: Geothermal & Heat Pumps
02-13-12, 11:42 AM
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Replies: 11
Views: 15,291
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Forum: Geothermal & Heat Pumps
02-13-12, 09:34 AM
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Replies: 11
Views: 15,291
I might have messed up the numbers in the HP...
I might have messed up the numbers in the HP calculations. Since the specs on the given HP didn't include electricity usage at each temp, I divided the kW heat output at each outdoor temp by the COP...
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Forum: Geothermal & Heat Pumps
02-12-12, 09:34 PM
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Replies: 11
Views: 15,291
Running cost: ASHP vs. Nat Gas Furnace
I have been crunching some numbers lately, considering if it would be worth the investment to replace my outdated, undersized central AC unit with an ASHP. The idea is to use the ASHP to provide...
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Forum: Tools
02-09-12, 06:01 AM
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Replies: 13
Views: 49,353
I thought that was neat too. Every commercial...
I thought that was neat too. Every commercial inclined manometer that I've seen works like this. Some of them do use oil and change the scale to compensate. But from what I can see, the liquid pretty...
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Forum: Tools
02-08-12, 03:41 PM
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Replies: 13
Views: 49,353
Here is version 1.1. It looks nice, but...
Here is version 1.1. It looks nice, but unfortunately I don't think it measures accurately.
http://i735.photobucket.com/albums/ww353/ab48726/IMAG0131.jpg
I was trying to make a well-type...
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Forum: Tools
02-08-12, 09:51 AM
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Replies: 13
Views: 49,353
My furnace manual says that external static...
My furnace manual says that external static pressure should not exceed 0.5" WC. External static pressure is the differential pressure between the supply and return sides. ESP can be determined by...
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Forum: Tools
02-08-12, 09:17 AM
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Replies: 13
Views: 49,353
Pretty much. I was thinking that the ducts were...
Pretty much. I was thinking that the ducts were more restricted due to many of the dampers being partially or fully closed, but it turns out I'm still within the .5" WC limit. I figure it will be a...
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Forum: Other Improvements
02-08-12, 08:30 AM
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Replies: 10
Views: 10,748
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Forum: Other Improvements
02-08-12, 08:10 AM
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Replies: 10
Views: 10,748
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Forum: Tools
02-08-12, 08:05 AM
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Replies: 13
Views: 49,353
It was actually the pictures of those radon...
It was actually the pictures of those radon stacks that gave me the idea. I noticed that they all have one of these manometers on them. I'm guessing they are just filled with colored water. Any other...
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