Paging Gordon Kaske...

Gordy

Hi Jim, Just caught your post. Don't have time to elaborate
but will contact you when I get home tonight....Happy to share this over looked, and under estimated emmiter option.


Gordy

Jim_65

Gordon Kaske

Mark Eatherton here in our office suggested for me to contact you concerning radiant ceilings. I proposed a radiant ceiling system to an Owner and he would like to speak with someone outside of our company who has experienced radiant ceilings over radiant floors first hand.

Could you either email me directly or feel free to contact me by phone at your convenience?

I would greatly appreciate it!

Jim French
(303)778-7772

Ragu_5

Hey Jim!

I'm not Gordy, but I like the communication! Good work. Jack.

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Unknown

We've done a bunch. Most clients love them.. low loads, it's "invisible" comfort, just like floor would be.

With higher loads, I hear it's like "sunshine".

I did have one client switch to floor though.. high loads, and he has radiant floor rooms next to radiant ceiling rooms. His feedback was if he didn't have a warm (remember, high loads) radiant floor the ceiling would be fine, but going from the noticeably warm radiant floor area to the radiant ceiling area, he misses the heated floor.

Originally we did ceiling there because he "couldn't do floor". Generally, I only use it when economy dictates, as supplemental heat, OR if loads are low and radiant floors wouldn't be that warm anyway.

Jim_65

Rob

We actually have one in our shop's kitchen. WE Love to come in and feel the warmth envelope you.

This project has low heat loads for this level in question. Although the other levels will be RFH this lower level is a great canidate for the ceiling.

What do you generally find as a safe Btu per Sq. Ft. of ceiling with 130* SWT and 5/8" drywall? I am planning on using Roth panel.

Thank you for your input!

Unknown

Hard to say.. depends on the height of the ceiling. Also, wirsbo recommends a 120 max water temp for drywall, but I don't know if that's a comfort spec or something to do with the drywall, so I don't break that personally... you can get about 40 BTUs/sq ft out of that anyway, so you don't usually have to.

Ceiling is about 1.4 BTUs/sq ft per degree of surface temp over room temp in a typical ceiling height range though, so if you start getting close to the head with lower ceilings, I let that limit my surface temps to something like 83-85 degrees or so to avoid "hot head", or 10-12 BTUs/sq ft which is what I did on a 7' ceiling once with good results. Superinsulated house, so it worked out.

I generally use lightweight plates and 1x3 strapping though.. roth panels would probably jack the output up a little... maybe not a lot, but a little... but they would be a lot pricier. 1x3 strapping is darn cheap stuff.

Jim_65

I

remember one of your other posts that had a picture of the 1x3 strapping and lightweight plates.

Another post with very good information. I appreciate your input.

Thank you!

Gordy

Jim

Well all I can say is ditto to the above. My ceiling radiant is of older technology 50's. My tubing is imbedded in the plaster with 3/8" copper tubing 6" o.c. So performance wise I don't know how this compares to a newer type of installation from a feeling stand point.

I like my tight centers, my water temps run around 115* at design with a 15* system DT. Loops will vary depending on the load they supply but none are over 15* DT. Its all parallel piped, one zone with one pump, mixing valve still original Taco, and a bang bang boiler. Old literature indicates you can run temps. of 160* my god you could have the windows open.

From a selling point I think the hardest hurdle will be the heat rises frame of mind. But its very effective down to floor level. The colder it gets outside the better it feels liquid sunshine. There is some shadowing under desks, and tables.

I threw in a Pic I took during my kitchen remodel its the old way. There is some info. in the library on this site through chase copper and brass.

Jim_65

Thanks

Thank you all for your responses.

Gordy - Thank you for posting the pic.

I appreciate it!

Jim French