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Staple up radiant with mini split supplemental
ibal
Member Posts: 4
Hi! Sorry, I know a lot of people ask about radiant floors here and I’ve taken the time to go through a lot of those posts which was helpful.
I did a gut renovation and when I underwent the reno, I asked my GC and my architect about doing radiant floors, and both said it’s not possible. So we ripped the boilers out of our home (I know, I know) and replaced the radiators with mini splits. I find the mini splits to be unreliable, drying and the temperature is all over the place.
So, I now want to do staple up retrofit and keep the mini splits for supplemental heat. I’ve got white oak floors and a subfloor. I would need to run a new gas line into the home, get a boiler, rip the basement ceiling and lay the PEX tubing.
So, I now want to do staple up retrofit and keep the mini splits for supplemental heat. I’ve got white oak floors and a subfloor. I would need to run a new gas line into the home, get a boiler, rip the basement ceiling and lay the PEX tubing.
Our second floor is not yet done, so we hope to be able to do regular radiant floors (not staple-up) up there.
Questions:
1. is it worth doing all of this for the amount of heat I’ll get through a staple-up job?
1. is it worth doing all of this for the amount of heat I’ll get through a staple-up job?
2. What kind of boiler do you recommend / why?
3. Are there any contractors/plumbers here who do this kind of thing in New York?
Thanks
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Comments
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new york is a big stateknown to beat dead horses0
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If you want the radiant comfort, but at what price?
A load calc would be a starting point. See what the floor is capable ofBob "hot rod" Rohr
trainer for Caleffi NA
Living the hydronic dream0 -
Panel radiators are a less complicated way of solving your problem.
I highly recommend: https://hydronicalternatives.com/0 -
nosirra1Arrison said:Panel radiators are a less complicated way of solving your problem. I highly recommend: https://hydronicalternatives.com/0
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The fact that the mini splits are unreliable has more to do with the installing and servicing contractor and less to do with the equipment. Unless you have some very old mini splits that were in a warehouse for 25 years, the HOT ZONES you speak of will not happen with the new inverter technology heat pumps used in mini splits. they kind of adjust the output based on the room temperature. They actually never shut off once you reach the minimum turn down percentage of the compressor. Then they ramp up and down based on the needs of the room. So the temperature is pretty much the same all the time.
That technology is available on boilers and can be transferred to panel radiators, baseboard radiators and radiant floor heating with the similar technology of modulating boiler input. I have installed Buderus (now Bosch GreenStar) and Crown Boiler's (by Velocity Boiler Works) modulating condensing equipment and was satisfied with the results.
But don't go with a boiler brand that the contractor is unfamiliar with. As in the unreliable heat pumps you have experienced, The contractor is the reason you want to get a new system. If you find the right contractor that will start out with a load calculation before quoting a size and design, then you want to go with the equipment they are comfortable installing and servicing.Edward Young Retired
After you make that expensive repair and you still have the same problem, What will you check next?
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