EcoRenovator  

Go Back   EcoRenovator > Search Forums
Advanced Search
 


Blog 60+ Home Energy Saving Tips Recent Posts Search Today's Posts Mark Forums Read


Showing results 1 to 25 of 500
Search took 0.09 seconds.
Search: Posts Made By: AC_Hacker
Forum: Geothermal & Heat Pumps 01-06-23, 02:20 AM
Replies: 1
Views: 59,408
Posted By AC_Hacker
Universal Air-Source Heat Pump Controller

I came across a remarkable, inexpensive device that can make building a Homemade Heat Pump much easier. In the "Manifesto" thread, we hit a bump because in our attempt to design a simple cheap...
Forum: Geothermal & Heat Pumps 07-27-22, 04:38 PM
Replies: 1,943
Views: 5,922,049
Posted By AC_Hacker
MILESTONE - Homemade Heatpump Manifesto breaks 2 million hits

I want to take a moment to recognize that the Homemade Heat Pump Manifesto has gone beyond 2 million page views. I would like to thank Daox and any other people who may have worked behind the scene...
Forum: The Billiards Room 08-24-20, 01:18 AM
Replies: 9
Views: 23,424
Posted By AC_Hacker
A Very Strong Parallel

I see a very strong parallel between this discussion, and many other discussions on EcoRenovator, regarding say, the building of a home, and what is the cheapest heat, etc., etc.

Many people begin...
Forum: Geothermal & Heat Pumps 09-25-19, 06:57 PM
Replies: 12
Views: 30,629
Posted By AC_Hacker
AC_Hacker installs a new Mini-Split

I installed my original mini-split in around 2009, before I started my Homemade Heat Pump Manifesto project. The heat pump I installed then was a Sanyo KS0971 (+ C0971
+ CL0971). It had what I...
Forum: Solar Heating 08-10-18, 11:03 AM
Replies: 10
Views: 28,440
Posted By AC_Hacker
Don't forget the value of insulating the bath...

Don't forget the value of insulating the bath tub.

Most of the heat loss is through the sides & bottom.

You might find that by conserving the energy present in the hot water, you can have the...
Forum: Geothermal & Heat Pumps 01-21-18, 12:41 PM
Replies: 1,943
Views: 5,922,049
Posted By AC_Hacker
Rebuilder, It takes a dedicated person to...

Rebuilder,

It takes a dedicated person to read through the thread. Congratulations!

You are correct to minimize heat loss (minimize infiltration & maximize insulation). When you feel that you...
Forum: Conservation 01-16-18, 05:33 PM
Replies: 95
Views: 108,126
Posted By AC_Hacker
Have you checked out the used EV market? ...

Have you checked out the used EV market?

About 4 years ago, Geo_NR_Gee bought a used Nissan Leaf for $7k and he drives it all the time,

I bought a two year old previously leased Nissan Leaf,...
Forum: Geothermal & Heat Pumps 01-08-18, 02:38 PM
Replies: 7
Views: 11,451
Posted By AC_Hacker
Hi Bill, nice to hear from you again. You...

Hi Bill, nice to hear from you again.

You should call around to some of your local GSHP installers and ask exactly the question you have posted. The situation varies greatly from area to area....
Forum: Other Improvements 11-22-17, 11:47 AM
Replies: 8
Views: 12,273
Posted By AC_Hacker
Natural Gas Lines

In Oregon, Natural Gas can be piped underground through plastic, and I think it is HDPE, but it is yellow, or some other color.

However, HDPE is not allowed above ground due to possible physical...
Forum: Geothermal & Heat Pumps 11-13-17, 06:52 PM
Replies: 4
Views: 7,778
Posted By AC_Hacker
AC_Hacker and Acuario meet in Cordoba, Spain

I was making a trip to the Andalusian region of Spain with my mate, Ann, and met up with Acuario and his lovely wife.

Had a nice dinner and great conversation. As expected, lots of great geek...
Forum: Geothermal & Heat Pumps 06-12-17, 01:17 PM
Replies: 12
Views: 16,479
Posted By AC_Hacker
If it were me, I would go with a Brazed Plate HX....

If it were me, I would go with a Brazed Plate HX. Not so expensive, very efficient, small, and the engineering data is abundant. Brazed plates work great in a closed-loop system that you have.

The...
Forum: Lawn and Garden 05-08-17, 08:48 PM
Replies: 2
Views: 8,477
Posted By AC_Hacker
Electric Lawnmower Repair

I bought an AC electric mower. Powerful enough for general use.

http://ecorenovator.org/forum/attachment.php?attachmentid=7768&stc=1&d=1494289637

After a couple years of use, it got left out in...
Forum: Renovations & New Construction 04-22-17, 01:15 PM
Replies: 52
Views: 54,443
Posted By AC_Hacker
Good thinking! -AC

Good thinking!

-AC
Forum: Geothermal & Heat Pumps 04-21-17, 12:49 PM
Replies: 24
Views: 20,461
Posted By AC_Hacker
This approach needs to tried by SOMEBODY on a...

This approach needs to tried by SOMEBODY on a single-head system. Seems to me that a multi-head system greatly multiplies the potential problems.

I think that a key issue to success is whether or...
Forum: Conservation 03-28-17, 11:39 AM
Replies: 575
Views: 1,315,436
Posted By AC_Hacker
I have seen HRVs that have reversible DC fans. ...

I have seen HRVs that have reversible DC fans.

The reversing work is done with electronics.

In these HRVs the core has enough thermal mass, that:

1. a 'charge' of indoor air is blown out,...
Forum: Conservation 02-22-17, 06:56 PM
Replies: 4
Views: 10,444
Posted By AC_Hacker
Earth Tubes Get a Winning Review...

http://ecorenovator.org/forum/attachment.php?attachmentid=7622&stc=1&d=1487807695


Earth Tubes sound like a great idea, and they are. But there have been a lot of stories about their...
Forum: Conservation 02-06-17, 12:32 PM
Replies: 575
Views: 1,315,436
Posted By AC_Hacker
Installing a Single Room Energy Recovery Vent

http://www.arttec.net/Mini_HRV/TwinFresh%20Comfo%20%20RA1-50-2_parts.jpg


Guy Marsden on Installing a Single Room Energy Recovery Vent... (http://www.arttec.net/Mini_HRV/RA1-50-2_install.html)
...
Forum: Geothermal & Heat Pumps 01-31-17, 10:56 AM
Replies: 13
Views: 14,654
Posted By AC_Hacker
John Siegenthaler, the hero of high-mass heated...

John Siegenthaler, the hero of high-mass heated floor hydronics for the USA, has recently been giving quite a few seminars on the topic of quick-response low-mass hydronic heating systems.

Lots...
Forum: Appliances & Gadgets 01-31-17, 10:26 AM
Replies: 18
Views: 43,329
Posted By AC_Hacker
There is a hardware cost. When I got mine the...

There is a hardware cost. When I got mine the cost was a one-time cost of $130. Now I see them for around $90, or less.

Then they have a "Premium Service" with nice features that I thought was...
Forum: Tools 01-19-17, 12:23 PM
Replies: 3
Views: 9,323
Posted By AC_Hacker
it has to do with the dissimilar metals that...

it has to do with the dissimilar metals that constitute the principle that thermocouples are based on. Nothing to do with noise or interference.

Ebay China has them really cheap, but that doesnt...
Forum: Other Improvements 01-13-17, 11:30 AM
Replies: 18
Views: 20,202
Posted By AC_Hacker
When you said that "half the joints leaked", what...

When you said that "half the joints leaked", what are you referring to? Your heater only has two, IN an OUT, right?

Are they leaking?

Are half of all the joints you put together leaking?
...
Forum: Geothermal & Heat Pumps 01-01-17, 01:35 PM
Replies: 83
Views: 65,593
Posted By AC_Hacker
I'm coming in on this thread very late, but your...

I'm coming in on this thread very late, but your last statement, should be your first concern.

It is natural for anyone, when confronted with a project that involves making a house livable and...
Forum: The Billiards Room 12-05-16, 05:19 PM
Replies: 25
Views: 23,708
Posted By AC_Hacker
I got one I really like, from Lowes... It's...

I got one I really like, from Lowes...

It's a small brown auto-ranging one that pretty much fits in my pocket.

It has the fundamental stuff, but I really like that it has a 'hot wiring' sensor...
Forum: Renovations & New Construction 11-02-16, 03:41 PM
Replies: 16
Views: 22,202
Posted By AC_Hacker
European Advice

I think that this thread may have ignored a couple of very important contributions to this discussion.

Energy prices are currently low-ish, but as a very wise machinist said to me, "we are only a...
Forum: Renovations & New Construction 10-16-16, 10:36 AM
Replies: 7
Views: 10,013
Posted By AC_Hacker
The screws are a thermal bridge, because steel is...

The screws are a thermal bridge, because steel is such a good conductor. However the cross-sectional area is a very large determining factor in this instance, and the cross sectional area of the...
Showing results 1 to 25 of 500

 
Forum Jump

All times are GMT -5. The time now is 07:43 AM.


Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2024, vBulletin Solutions Inc.
Ad Management by RedTyger
Inactive Reminders By Icora Web Design