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Search: Posts Made By: abogart
Forum: Biofuels 02-29-12, 01:40 PM
Replies: 70
Views: 68,990
Posted By Geo NR Gee
Here are a couple of photos of the latest wood...

Here are a couple of photos of the latest wood stove secondary burn modification. The first picture is the overhang that needed to be cut to make room for the secondary burn fresh air supply.

...
Forum: Geothermal & Heat Pumps 02-27-12, 02:53 AM
Replies: 245
Views: 119,838
Posted By Vlad
Some pics of home made drilling machine

Here are some pics of machine I built and used. I will post description bellow.

The whole unit where I was drilling:
http://img560.imageshack.us/img560/9223/dsc1569b.th.jpg...
Forum: Geothermal & Heat Pumps 02-13-12, 07:41 AM
Replies: 11
Views: 6,933
Posted By mrd
Heat pump COP degrades as outdoor temps drop. ...

Heat pump COP degrades as outdoor temps drop. Just a result of the fixed outdoor heat exchanger surface area and limited min refrigerant temperature inside of it. Basic thermal physics I suppose.
...
Forum: Geothermal & Heat Pumps 02-11-12, 06:46 AM
Replies: 6
Views: 2,647
Posted By dcx
I feel the residential heating by ASHP is not...

I feel the residential heating by ASHP is not specially challenging in N-America,if the widgets ,supplied locally, could only somehow manage -15degC with reasonable COP (>>1,5).

In N-Europe...
Forum: Other Improvements 02-06-12, 12:23 PM
Replies: 10
Views: 3,730
Posted By AC_Hacker
Interesting idea. Some things to keep in...

Interesting idea.

Some things to keep in mind, when your furnace fires, the fuel can reach very high temperatures (400F to 600F and higher), so the area of the furnace's HX does not need to be...
Forum: Appliances & Gadgets 02-02-12, 09:00 AM
Replies: 6
Views: 3,879
Posted By Xringer
If there isn't a way to program the PID so it...

If there isn't a way to program the PID so it doesn't pulse, a 555 timer could be used to stretch the pulses out..
I did that with my current (amps) controller.. ...
Forum: Biofuels 02-01-12, 02:26 PM
Replies: 8
Views: 5,389
Posted By bennelson
Compact Gasifier - wood-gas stove

Hey Guys,

I was over helping out at a friend's the other day. He has been working on a small gasifier stove.

The first two videos are ones he shot of the construction. The last video is what I...
Forum: Geothermal & Heat Pumps 01-26-12, 08:22 AM
Replies: 6
Views: 2,647
Posted By PaleMelanesian
It depends a lot on the system. My old central...

It depends a lot on the system. My old central heat pump could handle freezing but not much lower. The new central heat pump is good at least to 25F, the coldest we've had this year.
Forum: Geothermal & Heat Pumps 01-25-12, 05:06 PM
Replies: 1,942
Views: 1,557,783
Posted By AC_Hacker
Hate to disappoint you... The basic idea...

Hate to disappoint you...

The basic idea behind GSHP is that you are harvesting solar energy that has been stored in many, many, many tons of earth.

A good approximation of the heat that can be...
Forum: Geothermal & Heat Pumps 01-25-12, 03:59 PM
Replies: 6
Views: 2,647
Posted By Xringer
My Sanyos start working badly when it gets down...

My Sanyos start working badly when it gets down near 5 or 6 degrees F..
But above that, they keep the house nice and warm..

A few years ago, I started wondering about ASHPs and messed around with...
Forum: Conservation 01-21-12, 08:34 AM
Replies: 6
Views: 6,087
Posted By Xringer
The idea got me thinking about these Booster...

The idea got me thinking about these Booster gizmos again..
Flush Fit Register Booster Fan (http://www.espenergy.com/flush_fit_register_booster.htm)...
Forum: Geothermal & Heat Pumps 01-19-12, 07:33 PM
Replies: 1,942
Views: 1,557,783
Posted By AC_Hacker
* * * The Homemade Heat Pump Manifesto has...

* * *

The Homemade Heat Pump Manifesto has gone past 200,000 hits.

Thank you to readers both for reading and for your good questions, thank you to the brave experimenters who had the gumption...
Forum: Biofuels 01-19-12, 05:33 PM
Replies: 13
Views: 12,592
Posted By The master plan
Inlet and outlet temps stay around the temp of...

Inlet and outlet temps stay around the temp of the water in the water heater. The whole system holds less than 4 gallons I'm guessing.

The pump is a three speed circulator pump set on the lowest...
Forum: Conservation 01-04-12, 08:42 PM
Replies: 41
Views: 17,377
Posted By MN Renovator
A quick search with Google Product Search...

A quick search with Google Product Search (http://www.froogle.com) for Generalaire AC1 found a link to this.
MERV 11 GeneralAire 12758 / 4001 Filter Media Alternative...
Forum: Conservation 01-04-12, 08:25 PM
Replies: 41
Views: 17,377
Posted By MN Renovator
Reducing the output of a furnace(derating) is...

Reducing the output of a furnace(derating) is dangerous in that if not a high enough temperature inside the heat exchanger is reached then the there will be condensation in the heat exchanger and the...
Forum: Conservation 01-04-12, 02:13 PM
Replies: 41
Views: 17,377
Posted By Daox
First things first I'd figure out why your...

First things first I'd figure out why your furnace is short cycling. How long is the average on and off time?

If you truely are heating up the house THAT fast (and I find that hard to believe),...
Forum: Conservation 12-06-11, 08:21 AM
Replies: 8
Views: 2,628
Posted By PaleMelanesian
After a couple mild months, the first real month...

After a couple mild months, the first real month of results came in - kWh is down 25% from November 2010. :D Just as the estimates said it should. It turns out you can make decent estimates from...
Forum: Conservation 11-11-11, 11:03 AM
Replies: 10
Views: 12,175
Posted By bennelson
Poorman's Thermal Shade experiment

Last night, I was especially cold.

My thermostat said it was 68 degrees, but it sure didn't feel like it.

The reason why is that I have a fair number of windows. Even though the house has...
Forum: Renovations & New Construction 09-29-11, 02:18 PM
Replies: 13
Views: 9,377
Posted By strider3700
smoke tested my house looking for drafts. Found lots...

It's getting cooler here so I was planning on putting away my ghetto whole house fan that I use for cooling....
Forum: Conservation 11-25-10, 03:18 AM
Replies: 17
Views: 14,056
Posted By Piwoslaw
Here are pictures of what the hp/solar coils...

Here are pictures of what the hp/solar coils should look like:

http://ecorenovator.org/forum/members/piwoslaw-albums-heat-buffer-picture73-spiral1.jpg
...
Forum: Conservation 02-28-10, 04:12 PM
Replies: 568
Views: 609,790
Posted By AC_Hacker
ERV, HRV, de-humidifier hack...

Piwoslaw,

Here's a URL for a DIY Heat Recovery Ventilator:

Make - Volume 18 (http://www.make-digital.com/make/vol18/?pg=58)

* * *

The photos I see of Heat Recovery Ventilators usually...
Showing results 1 to 21 of 21

 
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