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Search: Posts Made By: opiesche
Forum: Renovations & New Construction 01-02-14, 04:14 PM
Replies: 50
Views: 26,276
Posted By opiesche
Missed your point on the styrofoam! I didn't know...

Missed your point on the styrofoam! I didn't know there was EPS that was able to take the load of an entire floor on top, that's certainly a great idea. In the end, you'll obviously want to have as...
Forum: Renovations & New Construction 01-02-14, 04:05 PM
Replies: 50
Views: 26,276
Posted By opiesche
Hey AC_Hacker - sorry for the delay in replying,...

Hey AC_Hacker - sorry for the delay in replying, I didn't get an email notification for your post.

I didn't measure the temperatures before and after insulating, but it's noticeable by feel. I...
Forum: Renovations & New Construction 12-23-12, 09:24 PM
Replies: 50
Views: 26,276
Posted By opiesche
Another quick update: The system is up and...

Another quick update: The system is up and running, and working well for the past 5 weeks or so. We've had one unusually cold period (28F for a few hours one night), at which the system had a little...
Forum: Renovations & New Construction 11-14-12, 02:10 AM
Replies: 50
Views: 26,276
Posted By opiesche
Hi all, I haven't had much time to collect...

Hi all,

I haven't had much time to collect information and post it here, but I haven't been completely idle. The manifold is hooked up, the old furnace removed, and I've had a bit of a hard time...
Forum: Renovations & New Construction 10-09-12, 07:45 PM
Replies: 50
Views: 26,276
Posted By opiesche
OK, I think I get it. Floating actuators take a...

OK, I think I get it. Floating actuators take a continuous control signal 0-n V, where 0 means closed and n means all the way open. Turn off the current, and the valve closes.

Then there's...
Forum: Renovations & New Construction 10-09-12, 03:29 PM
Replies: 50
Views: 26,276
Posted By opiesche
That seems to be exactly what I'm looking for! I...

That seems to be exactly what I'm looking for! I might be able to drive this directly from the Raspberry Pi's GPIO, with a little protection circuit in between - I'm not sure how they determine...
Forum: Renovations & New Construction 09-29-12, 03:58 PM
Replies: 50
Views: 26,276
Posted By opiesche
OK, thanks! Going for a different pump than I...

OK, thanks! Going for a different pump than I originally intended, then. The zone valves are built into the manifold, so I don't know what type they are - but it is a closed loop system. I'm still...
Forum: Renovations & New Construction 09-29-12, 02:29 PM
Replies: 50
Views: 26,276
Posted By opiesche
Cool, that's great info to have! I'm getting some...

Cool, that's great info to have! I'm getting some wire this week to rewire the controller and put the sensors and controller into a semi-final position. I'll post some more pictures of the setup when...
Forum: Renovations & New Construction 09-29-12, 02:13 PM
Replies: 50
Views: 26,276
Posted By opiesche
No, I'm not using O2 barrier tubing. It's a...

No, I'm not using O2 barrier tubing. It's a closed loop system and the water heater will be dedicated, and the manifold has an air eliminator at the end of the return side, so air that the tubing...
Forum: Renovations & New Construction 09-24-12, 02:05 PM
Replies: 50
Views: 26,276
Posted By opiesche
Very interesting - I was thinking about using an...

Very interesting - I was thinking about using an Arduino, but the ease of setting up and programming the Pi (and the fact that it goes for $35) has completely sold me on it. I'm usually more of a C++...
Forum: Renovations & New Construction 09-24-12, 01:45 PM
Replies: 50
Views: 26,276
Posted By opiesche
Yes, I'm hoping this will prove useful for other...

Yes, I'm hoping this will prove useful for other things - like I've already seen that I should install some radiant heat barrier in my attic to reduce summer heat gain ;)

As for the heat loss...
Forum: Renovations & New Construction 09-24-12, 01:10 PM
Replies: 50
Views: 26,276
Posted By opiesche
I see what you're saying - clearly, any system...

I see what you're saying - clearly, any system will only use as much heat as it needs based on turning on or off the circulator; what I'm getting at with the calculations is to figure out how much...
Forum: Renovations & New Construction 09-24-12, 01:01 PM
Replies: 50
Views: 26,276
Posted By opiesche
Good point! I'll start a new post for this as...

Good point! I'll start a new post for this as soon as I've got everything in a usable state :)
Forum: Renovations & New Construction 09-24-12, 01:04 AM
Replies: 50
Views: 26,276
Posted By opiesche
As requested :) Adventures in home...

As requested :)

Adventures in home improvement: Temperature Logging (http://pieschefamilyhomeimprovement.blogspot.com/2012/09/temperature-logging.html)

I'll update this with some more pictures...
Forum: Renovations & New Construction 09-23-12, 04:34 PM
Replies: 50
Views: 26,276
Posted By opiesche
Going a little further with this: say we more...

Going a little further with this: say we more than double the heat loss for our coldest nights, to 4000BTU/h.
I've got 980 ft^2 of heated floor surface, that means I'll have to put at the most 4...
Forum: Renovations & New Construction 09-23-12, 03:32 PM
Replies: 50
Views: 26,276
Posted By opiesche
Heat loss graphs

So, I couldn't help but tinker a little more. I've added another bit of code to my temperature logger based on the above calculations, so now I'm plotting heat loss against the exterior-interior...
Forum: Renovations & New Construction 09-23-12, 01:43 PM
Replies: 50
Views: 26,276
Posted By opiesche
Thanks, Vlad! A tank heater it is. I've found a...

Thanks, Vlad! A tank heater it is. I've found a few that list minimum temps of 80F, it's just a matter of picking the right one.

With the recent temperatue graphs, by the way, I can also...
Forum: Renovations & New Construction 09-21-12, 08:48 PM
Replies: 50
Views: 26,276
Posted By opiesche
Thanks for the info, Vlad! I've been thinking...

Thanks for the info, Vlad! I've been thinking about a mixing valve, but then I'd have to worry about what to do with the additional water I'd introduce into the system. In the end, I think I might...
Forum: Renovations & New Construction 09-21-12, 08:06 PM
Replies: 50
Views: 26,276
Posted By opiesche
Forgot to mention, the exterior sensor wire is...

Forgot to mention, the exterior sensor wire is going out a window, which is then shut as far as possible and the gap is padded with rolled up bubble wrap to create a reasonably airtight seal. The...
Forum: Renovations & New Construction 09-21-12, 07:55 PM
Replies: 50
Views: 26,276
Posted By opiesche
Another quick update: After building a...

Another quick update: After building a temperature logger with a Raspberry Pi, a couple of digital temperature sensors, a bit of wire and a few dozen lines of Python code, I now have proper...
Forum: Renovations & New Construction 08-31-12, 01:58 AM
Replies: 50
Views: 26,276
Posted By opiesche
Just a quick update on the temperatures. We're...

Just a quick update on the temperatures. We're experiencing an unusually cool late summer - it's not even quite September yet, and outside temps are already at 55F around 10:00pm. Interior is 73F at...
Forum: Renovations & New Construction 08-13-12, 05:25 PM
Replies: 50
Views: 26,276
Posted By opiesche
It's on top of the hydronic system, between it...

It's on top of the hydronic system, between it and the hardwood floor. It was primarily to keep the floor quiet and comfortable to walk on - it's only about 1mm thick, so its insulation value is...
Forum: Renovations & New Construction 08-11-12, 12:21 PM
Replies: 50
Views: 26,276
Posted By opiesche
All good questions! I'll need to collate some of...

All good questions! I'll need to collate some of the info and add it to my blog :)

Our house was built in 1984 on a crawlspace with posts in concrete. I'ts a two story with four betrooms and two...
Forum: Renovations & New Construction 08-10-12, 02:01 AM
Replies: 50
Views: 26,276
Posted By opiesche
Glad to hear others are interested. As far as...

Glad to hear others are interested. As far as heating goes, there's not much that beats heated floors in terms of comfort and efficiency - I'm looking forward to mine in the winter! :)
Forum: Renovations & New Construction 08-06-12, 03:52 PM
Replies: 50
Views: 26,276
Posted By opiesche
Good to hear! If you have any questions, feel...

Good to hear! If you have any questions, feel free to ask here or on the blog, I'll do my best to help. There are a couple of potential pitfalls (nothing too scary) with the tubing I hope to get to...
Showing results 1 to 25 of 26

 
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