General > Beating a dead horse

full foam vs thermopannels

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Swell-Tub:
Micah hit it on the head.

I was going to say the last paragraph. Now I do live in Vegas but I bought a spa blanket from Dr. Spa and my heater does not come on very often. Of course it is 108 degrees outside but the blanket keeps the heat in the tub during the evening. Heat rises, do you insulate the attic or the basement of your house? I'm no engineer but full foam vs. cabinet insulation is the insulation in the walls of your house. Full foam helps keep the pipe joints in place. Pane insulation helps access the pipes. I'll bet you won't see much difference in heating costs between the two.

See I almost said the same thing Micah did, I should have just said ditto.....

Scott  ::)

Vanguard:
Unless you get a T-P spa that isn't sealed tight.  The cheap T-P spas aren't sealed.  Arctic does a good job of sealing everything so the T-P works for them better than the cheap ones.

If you get a cheaply foamed spa the same thing can happen.  Some foam is such low density, it doesn't do much good.

Either way, if you go with a high quality spa, you'll have good insulation.

I do still have my preference, but I won't go into that here.

Chas:

--- Quote ---The truth:
1. Heat rises. It finds the path of least resistance to escape.
2. In an average climate you loose 90% of you heat through the cover (or where the cover meets the spa)
--- End quote ---

Sure sounds good. Unfortunately, it is completely wrong. Heat goes in any direction from warm to cool (hot to cold). Any direction.

Hot air rises, but that is not germane to this discussion. But don't feel bad, it comes up every time this discussion does.

So does the analogy comparing insulation in a house attic. No connection whatsoever. One is a box of air at 72F, the other is a box of water at 102F with air spaces around it.  

If you take a poorly insulated tub and put a great cover on it, you will still pay a fortune to keep it hot. You will also hear a lot more noise, and have the plumbing rattling around when the pumps start up.

Also - the less dense foam insulates better than the more dense foam. More air.

 8-)

Swell-Tub:
When water is hot, the molecules are hot so they want to get away from each other and expand. Also as temperature rises, the molecules go crazy in the sense that they move faster. That's why when water is heated, it rises, and boils.

I love having this conversation. Have we talked about this before?

I kid, I kid, quote from Triumph the dog.....

Steve:
I suggest pouring a tall drink, get a snack, find your most comfy chair (although you didn't sit in it prior to buying it  ;) ) and search the PAGES of debate on this subject over the past 5 years on here benalexe...

nuff said...

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