3 Season Room idea
I will be installing a new Weil-McClain CGa4 later this summer for our radiant floor heating system. Had a thought/crazy idea yesterday about our screened in porch. If I turned it into a 3+ season room and wanted to have a panel type radiator but wanted to protect that loop from freezing. What would be my setup? I will be using a Tekmar 4 way mixing valve in the system.
Some type of antifreeze loop?
Any advice would be great!
Thanks
Comments
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what size room? Either a glycol loop or drain it out in winter
If it is small, and infrequent use, maybe just an electric heater?
Bob "hot rod" Rohr
trainer for Caleffi NA
Living the hydronic dream0 -
Bob,
That's too simple! I'm trying to make it as complex as possible!
1 -
Trying to squeeze the best out of a Weil-McLain JB-5 running a 1912 1 pipe system.
2 -
Depends on the size of the room. Electric heat is good for a small space nothing to freeze.
Alternatives are to put HW heat in and glycol the whole system which can cause issues
A heat exchanger to separate the glycol from the regular system would require an expansion tank and another circulator or two + other goodies gets expensive
Or isolate and drain that part of the system in the winter
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or run gas out there and use a direct vent console heater or something similar.
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The three season room is why Mitsubishi invented the Mr. Slim.
3 -
Hi, I know it's not hydronics, but build the room with amazing insulation and air-tightness. Then circulate air from the main living space to and from the add-on. 😇
Yours, Larry
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Gosh if you are investing in a boiler why not keep as much of the heating system hydronic? You already paid for the "heat" all you need is an emitter. Ceiling, wall, floor radiant. A nice panel rad for quick ramp up or down. If you really want blowing air, a wall mount hydronic kick space heater.
I'm assuming no AC? That would be the only reason to add another complete system like a mini split.
I really dislike moving heat with air, personally. Hot air rises. People reside at floor level :)
I have yet to find a completely silent fan or blower.
Bob "hot rod" Rohr
trainer for Caleffi NA
Living the hydronic dream0 -
Although something like a kickspace heater or other small fancoil in the main house could keep the water out of the part that is likely to freeze.
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Could be, but still kin to the "evil scortched air" family. They seem maintenance prone and cumbersome when mounted up on the wall?
\And for those that hate the complication and cheapness of HPWH and mod cons??
I don't disagree they work, but I'm not a fan, pun intended.
Bob "hot rod" Rohr
trainer for Caleffi NA
Living the hydronic dream
2 -
Clow Gasteam! 😂
Trying to squeeze the best out of a Weil-McLain JB-5 running a 1912 1 pipe system.1 -
Easily withstands freezing.
1 -
never argue when your right!
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Without having to glycol the entire system, that's what the X-pump block is for. There is a small heat exchanger with two circs already setup. One is a variable speed (boiler side) to maintain a fixed temp for the heat emitter and the second is fixed speed for flow thru the heat emitters.
Dave Holdorf
Technical Training Manager - East
Taco, Inc
0
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