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Warmboard vs. HeatPly Radiant Heat

JerrySJerryS Member Posts: 3
We're building a 1200 sq. foot art studio and want radiant heat.  One manufacturer, Warmboard, uses aluminum as part of their design, whereas HeatPly, the other manufacturer, does not but has more tubing spaced more closely.  We're wondering if anyone has an opinion about the pros and cons of these two products.

Thanks in advance.

Jerry

Comments

  • GordyGordy Member Posts: 7,122
    That's why

    Warm boards tubing centers are 12" because of the aluminum it spreads the heat evenly.



    So when comparing figure the extra cost of tubing and transfer plates to compare apples to apples, and the labor to lay it if you are not doing it yourself.



    Never heard anyone complain about warm board.
  • GordyGordy Member Posts: 7,122
    edited February 2013
  • jonny88jonny88 Member Posts: 1,139
    Gordy

    that is some pretty neat carpentry skills.any idea how long it took and what tools were used.very impressive
  • GordyGordy Member Posts: 7,122
    tools and Time

    Lets see Jig saw, circular saw, cordless impact.  About 16 man hours for about 320 sf.  8" oc no plates floor warming only. Ceiling radiant dominant emitter in the kitchen.
  • JerrySJerryS Member Posts: 3
    Is an aluminum based radiant heat system signifcantly more energy efficient?

    Thanks. Would the aluminum make the radiant heat system more energy efficient over a system that does not have aluminum?  That is, in a relative small space of 1200 sq. ft.would aluminum allow the system shut down more quickly because it heats up a room faster and could you keep the water temperature lower? The cost difference is significant between ones with aluminum and ones without.
  • GordyGordy Member Posts: 7,122
    Plates.

    Aluminum plates, or sheeted panels will make the emitter more efficient by allowing a lower supply temp, and a faster response time.



    So to answer your question yes.



    You need to do,a,room by room heat loss first though. This will dictate several factors.



    1. The load of the house as a whole.

    2. The load of each room.

    3. Supply temps, and flow rate for the loops feeding each room, or zone.

    4. Whether radiant is feasable for the load on its own, or if supplemental heat is required.

    Control strategy for it all. This means zoning if desired.

    5. Size of boiler to meet these loads. Mod/con being the most efficient choice.



    Side note is floor coverings to consider for floor radiant.



    Low r padding with low r- value carpet.

    Wood floors, which ones welcome installation over radiant which I think is hog wash with a properly controlled low temp situation.
  • pipekingpipeking Member Posts: 252
    gordy

    i'm not knockin it but, y copper tubing?
  • GordyGordy Member Posts: 7,122
    Ahhh

    Knew that was commin.



    My house is built in the early 50's all ceiling, and floor radiant. copper of course. i did this before the price of copper went into orbit, and to keep the house in the era. Plus I like copper it's heat transfer properties are much better than pex.



    I did not due plates because the kitchen already has ceiling radiant which can handle the load on its own. But with tiled floors thought floor warming is a nice touch..... My wife thinks so.
  • pipekingpipeking Member Posts: 252
    bofore copper went imto orbit?

    when, so u bought the copper 20yrs ago!
  • GordyGordy Member Posts: 7,122
    Pipe king

    7 years ago. It may have been expensive then, but it jumped considerably since that time.
  • GordyGordy Member Posts: 7,122
    PS

    This house has 5000' of copper tubing and pipe. If the house ever burns down "joking" I got a savings plan in place.
  • keyotekeyote Member Posts: 546
    i did something similar

    I just had home depot rip my plywood into
  • keyotekeyote Member Posts: 546
    i did something similar

    I just had home depot rip my plywood into
  • copperkidcopperkid Member Posts: 22
    Gordy, just Looking at your floor warming copper detail again. NICE!!!

    Hey Gordy now that my addition is wrapping up I plan on routering my floor similiar to yours.  Did you put wonderboard or durock over the tubing and if so was there any kind of barrier between the copper and cement board.  I always use thinset when I use the board.  Would I need to go to 6"centers if this will be used for heating ?Thanks
  • WarmzoneWarmzone Member Posts: 1
    We have been installing HeatPly for years and here's why... We are one of the largest Radiant floor heating company in the Bay Area been in business for over 35 years.

    After gathering our fair share of complaints using Warmborad we started researching new products. HeatPly had what we were looking for.

    Not only half the price but they also offer free design layouts. There is no need for a router and burning up expensive router bits cutting though aluminum. And the tubing stays in the grooves without silicone or special type of Pex tubing.

    Also the hardwood floor guys love it. They can glue directly to wood not a thin piece aluminum. Instead HeatPly uses more tubing at closer spacing to spread the heat evenly without the need for aluminum.

    We bid our radiant heat projects with HeatPly and get the job everytime! Our customers are happy with the price and the comfort.
  • STEVEusaPASTEVEusaPA Member Posts: 1,506
    edited September 29
    @Warmzone You came here for your first post to brag about HeatPly?....hmmmmm interesting...
    steve
  • ZmanZman Member Posts: 3,517
    Warmzone said:

    We have been installing HeatPly for years and here's why... We are one of the largest Radiant floor heating company in the Bay Area been in business for over 35 years.



    After gathering our fair share of complaints using Warmborad we started researching new products. HeatPly had what we were looking for.



    Not only half the price but they also offer free design layouts. There is no need for a router and burning up expensive router bits cutting though aluminum. And the tubing stays in the grooves without silicone or special type of Pex tubing.



    Also the hardwood floor guys love it. They can glue directly to wood not a thin piece aluminum. Instead HeatPly uses more tubing at closer spacing to spread the heat evenly without the need for aluminum.



    We bid our radiant heat projects with HeatPly and get the job everytime! Our customers are happy with the price and the comfort.

    With any "plateless" installation, careful attention needs to be paid to the the loss calcs. They just don't produce as many BTU's/ft.
    You also need to run higher water temps than other installations lowering efficiencies in condensing boiler applications.
    "If you can't explain it simply, you don't understand it well enough"
    Albert Einstein
  • GordyGordy Member Posts: 7,122
    Depending on project size, and btu requirements. The trade off is more tubing, and,more, or larger manifolds since you have just doubled the amount of tubing in the radiant floor detail. Plus the labor to install the extra tubing, and manifolds.
  • GordyGordy Member Posts: 7,122
    I will also add that stripping can still be a concern at 6" centers with no transfer plates. The wood flooring guys would just love the higher water temps as pointed out also.

    However i see your in the Bay Area. Not the most severe heating based climate.
  • KC_JonesKC_Jones Member Posts: 3,175
    I am starting to feel that many comments in this board should be prefaced with, "in my climate...". In a milder climate many thing may work that wouldn't come close in say the north eastern US.
    2014 Weil Mclain EG-40
    EcoSteam ES-20 Advanced Boiler Control
    Boiler pictures updated 2/21/15
    https://www.facebook.com/media/set/?set=a.10202744301871904.1073741828.1330391881&type=1&l=c34ad6ee78
  • JohnNYJohnNY Member Posts: 1,824
    Warmzone said:


    We bid our radiant heat projects with HeatPly and get the job everytime! Our customers are happy with the price and the comfort.

    100% sales rate. Yeah, no.

    Shill posts are a great way to turn people away from your product.

    For private consulting services, find John "JohnNY" Cataneo here at :
    "72°F, LLC"
    Or email John at [email protected]
    Or at Gateway Plumbing & Heating
    John travels regularly to out-of-state clients for consulting work.
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