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Search: Posts Made By: pachai
Forum: Geothermal & Heat Pumps 09-10-12, 02:48 PM
Replies: 1,943
Views: 3,669,844
Posted By pachai
Sorry I wasn't clear, I am talking about...

Sorry I wasn't clear, I am talking about converting it to ground source.
That's the connection with this thread.
Forum: Geothermal & Heat Pumps 09-10-12, 01:22 PM
Replies: 1,943
Views: 3,669,844
Posted By pachai
I have a question that is similar to one I saw...

I have a question that is similar to one I saw asked and answered with a link but the link seems outdated...so I'll ask my question...

A one-room synagogue near me is being vacated to begin...
Forum: Geothermal & Heat Pumps 04-18-12, 01:56 PM
Replies: 1,943
Views: 3,669,844
Posted By pachai
Climate

I didn't include the climate in my post...
I am in Northern NJ. This week,
it was 70 degrees at 6:30 am.

I believe I am just 35 feet above
the water table. I have one neighbor
who has a...
Forum: Geothermal & Heat Pumps 04-18-12, 01:17 PM
Replies: 1,943
Views: 3,669,844
Posted By pachai
Thanks for offering to help. I don't have...

Thanks for offering to help.

I don't have much info yet.
Based on commercial geo estimates,
I need somewhere between
4 and 8 tons. I need to look again
to see if two or more are close.

I...
Forum: Geothermal & Heat Pumps 04-16-12, 03:32 PM
Replies: 1,943
Views: 3,669,844
Posted By pachai
No cutting A/C conversion

Thanks everyone, it's always great reading about things people have tried that worked or taught them something.

Some time ago (about 2 years?), someone posted a picture of an air conditioner with...
Forum: Renovations & New Construction 04-10-12, 11:00 PM
Replies: 588
Views: 502,189
Posted By pachai
"stamped" plates

PS about the "stamped" plates....I bought 50' of aluminum soffit,
cut it into 6' pieces, and I could not stamp channels into it.

But a friend suggested making carefully calculated folds
to form...
Forum: Renovations & New Construction 01-19-12, 12:16 PM
Replies: 588
Views: 502,189
Posted By pachai
Now that I am circulating hot water, I am able to...

Now that I am circulating hot water, I am able to contemplate how to heat it. Right now, I am using
an electric HW heater, because it cost a fraction of the cost of a "solar" tank, and it has...
Forum: Renovations & New Construction 01-17-12, 12:02 PM
Replies: 588
Views: 502,189
Posted By pachai
I don't know how well that would work, as the...

I don't know how well that would work, as the plates serve two purposes....conducting the heat and holding the pipes in place.

It *does* make sense to me to use the foiled insulation in addition...
Forum: Renovations & New Construction 01-16-12, 11:21 AM
Replies: 588
Views: 502,189
Posted By pachai
Radiant Floors update

I found out the answer is yes and no...
or yes, and yes. I called Radiantec,
who did not design my experimental
heating system, but they supplied the
staple-up plates and the PEX tubing.

The...
Forum: Renovations & New Construction 01-08-12, 02:00 AM
Replies: 588
Views: 502,189
Posted By pachai
Experiments are fun

Experiments are fun, but it's good to
look at the tables.
In about 5 hours, my floors have gone up
one or two degrees.

I'm checking out:
1. temperature needed to heat floors
2. flow rate...
Forum: Renovations & New Construction 01-05-12, 03:10 PM
Replies: 588
Views: 502,189
Posted By pachai
Hydronic heat - getting closer

I thought I would share that I am almost
ready for a test of the system.
Here's what I have (pictures eventually).
A B&G circulator will pull water from
the Hot side of an electric water heater....
Forum: Renovations & New Construction 12-22-11, 02:48 PM
Replies: 588
Views: 502,189
Posted By pachai
Hydronic heat

I have been inching along with my floors.
(Today is the first day of winter, time to
shift to Overdrive :-)

I have pressure-tested PEX in the floors
(mix of staple-up and embedded in tile),...
Forum: Renovations & New Construction 11-17-11, 11:25 PM
Replies: 588
Views: 502,189
Posted By pachai
I mentioned in a previous post that I am still...

I mentioned in a previous post that I am still weighing my options for a heat source for the hydronic heat.
My friend came up with a plan.

He and I have the same problem - we have
space that...
Forum: Renovations & New Construction 11-17-11, 02:34 PM
Replies: 588
Views: 502,189
Posted By pachai
Thanks. I have the next experiment in mind - ...

Thanks. I have the next experiment in mind -
and I am working on figuring out a better heat source,
and hooking up a pump and tstat.

My recent experiments provide me some experience
with the...
Forum: Renovations & New Construction 11-17-11, 07:34 AM
Replies: 588
Views: 502,189
Posted By pachai
BTW, at this time, I have no place that I can see...

BTW, at this time, I have no place that I can see
the back of the aluminum plates. Only the pipes going
into the wall and coming back out.
Forum: Renovations & New Construction 11-17-11, 07:32 AM
Replies: 588
Views: 502,189
Posted By pachai
Thanks, I DID use plates. I guess the question...

Thanks, I DID use plates.
I guess the question is, do I really need
the water *moving* to have it give up its heat?
Or is it that it gave up its heat, and I need to
continuously replenish the...
Forum: Renovations & New Construction 11-17-11, 01:41 AM
Replies: 588
Views: 502,189
Posted By pachai
I have been working on the hydronic floor...

I have been working on the hydronic floor recently,
and today I tested something.
I may not have learned anything.

I have 600' of radiantec 1/2" O2 barrier stapled
under the floor of a 400 SF...
Forum: Renovations & New Construction 10-02-11, 10:37 PM
Replies: 588
Views: 502,189
Posted By pachai
Where does hot water come from ?

Part 2 - Where does hot water come from ?
We are almost finished with an addition
that includes 800 SF that needs heat
(and cool, seasonally :-).
I have some 1500 feet of 1/2" PEX
in the...
Forum: Renovations & New Construction 10-02-11, 10:08 PM
Replies: 588
Views: 502,189
Posted By pachai
Pumps

Well,
Winter is coming, so it is time to act.

The main question I have today is,
what are people using to pump hot
water around their hydronic floors?

I went to a plumbing supply house,
and...
Forum: Geothermal & Heat Pumps 08-09-11, 11:34 PM
Replies: 1,943
Views: 3,669,844
Posted By pachai
Thanks....first one. There's a "Cleaning...

Thanks....first one. There's a
"Cleaning Supplies Distributer" in my town.
I spoke to him last week, and on Monday
his workers dropped off 4 barrels.
Compromise, I clean out the last gallon ...
Forum: Geothermal & Heat Pumps 08-04-11, 04:48 PM
Replies: 1,943
Views: 3,669,844
Posted By pachai
Air Conditioner Heat Pump

Has anyone had success with converting an air conditioner to a heat pump without breaking the circuit?

I have an air conditioner that would make a great donor, as it is free and has a bad...
Forum: Renovations & New Construction 07-17-11, 01:43 AM
Replies: 588
Views: 502,189
Posted By pachai
Radiant heat 12' between joists

After seeing webaware's post,
I'm reviewing in my mind the options
for putting radiant heat in existing floors.

I have easy access to the joist cavities
in much of the second floor.
The...
Forum: Renovations & New Construction 07-17-11, 12:09 AM
Replies: 588
Views: 502,189
Posted By pachai
webaware, Thanks! This is great for me. As I...

webaware, Thanks! This is great for me.
As I just had PEX installed with aluminum
staple-up plates in a new addition, now I am
thinking about the old parts of the house.
-First floor - no...
Forum: Geothermal & Heat Pumps 07-07-11, 01:22 PM
Replies: 1,943
Views: 3,669,844
Posted By pachai
My wife told me which towel bar to buy.... but...

My wife told me which towel bar to buy....
but that doesn't prevent me from making
a hydronic wall plate radiator below it.

I just learned the meaning of Street Elbow.
(That's how you make a U...
Forum: Geothermal & Heat Pumps 07-07-11, 12:03 AM
Replies: 1,943
Views: 3,669,844
Posted By pachai
Towel Bar

I had the plumber leave me the option of adding a heated towel bar to compliment my radiant floor.
I was thinking along the lines of what Radiantec
suggests here...
Showing results 1 to 25 of 85

 
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