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1answer
36 views

Least Destructive New Heating System? Hot Water or Air?

I'm having some issues with my current steam heating system. I'd rather get it replaced with a whole new system, either forced hot water or forced air. The house was built in 1916, so I'd have to do ...
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0answers
12 views

Joist trak radiant tube length in last bay

I'm installing my first radiant floor system using 1/2 inch tubing and Joist Trak plates. I purchased a 1000 foot roll of tubing and cut it into 5 200' pieces. While running my loops, I'm finding ...
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1answer
117 views

What is the impact of a backwards connected hot water radiator?

When building a hot water heating system the plumber has connected one of the hot water radiators backwards, i.e., the loop comes in at the bottom of the radiator and leaves the radiator on the other ...
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2answers
67 views

Old radiant heat ceiling not cooperating, looking for ways to fix it myself

So I came home today to find my living room at over 80f degrees. My thermostat still correctly showed my base temp at 70f, but the room temp was through the roof and the ceiling heat was still going ...
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0answers
21 views

How to insulate under hot water radiant flooring over a crawlspace?

I just built a small extension on my wood frame house. We are in the northeast (winters down to the low teens). We added three small rooms (mudroom, laundry, bath). They all now have hot water ...
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1answer
100 views

Downsides to staple up radiant heat, besides cost?

I'm considering doing a radiant heat retrofit into my home and removing an older forced air system. The plumber is proposing a staple up from the basement into aluminum plates with PEX tubing with a ...
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1answer
66 views

Retrofitting floor radiant heating under hardwood floors

I am considering retrofitting radiant floor heating into the first floor in my home by attaching the pex to the bottom side of the subfloor from the basement. On the top side of the subfloors is some ...
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0answers
34 views

How should I insulate hydronic radiant heating under floorboards

A couple weeks ago a contractor installed hydronic radiant heating at my place. The building is two floors (studio above a garage) and the heating was installed under the floorboards. When he finished ...
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1answer
35 views

Replace portion of slab for radiant heat

Our 1600 SF basement has a slab floor with no insulation underneath. I'm redoing the bathroom (roughly 100 SF, with 7' along the foundation wall) and would love to put in radiant floor heating, but I ...
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2answers
207 views

Should I use Ditra for my slate floor with radiant heat and 2 layers of plywood?

We are putting slate on our main floor, and have radiant heat. We used a second layer of plywood as guides/spacers between the pex loops, rather than concrete over the whole thing to help cut down on ...
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2answers
118 views

Is it feasible to store adequate thermal solar heat overnight?

I'm considering a passive solar radiant heating installation in the Chicago area and was wondering if it would be feasible to store enough water/energy to support heating for most of the night. The ...
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1answer
90 views

Does installing electric heated floors require dedicated electrical?

I would like to install electric heated floors throughout a home built in 2008 (In BC, Canada) to replace a forced air furnace system. I am wondering if this project will require running a new set of ...
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3answers
596 views

Is insulation necessary under slab with hydronic radiant heat?

We are getting ready to pour a new concrete slab over top of an old slab where a house was demolished. The old slab is 4-6 inches thick, and the new slab will be 3-4 inches thick. We would like to run ...
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1answer
78 views

How would I size a heating system that would only be used to warm the floors?

I have a forced air heating system that works well, and I'm not looking to replace it. However, I'd like to get the "warm floors" effect of radiant floor heating. I've heard that with a lot less BTU/...
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2answers
57 views

can i safely turn on my heat with my water not turned on in my house

i just moved into a hous3e and my water wont be turned on until next week but its cold in my house. I was wondering is it safe to turn my heat on. i have radiator heaters and i think they run off ...
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1answer
71 views

Changing radiators to radiant wall heating

In my bedroom/study I have only a radiator as heating. The problem is that the water flow is controlled by the thermostat in the living. This means that around wintertime my room has a big change in ...
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2answers
5k views

Why is one bedroom colder than the rest of the house?

I had a home built last year and we have one bedroom that is 6-10 degrees colder than the rest of the rooms in the house when its cold outside. The heat is radiant and the system has temperature ...
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0answers
343 views

Will porcelain tile provide enough thermal mass for off peak heat storage?

The U.S. department of energy suggests electric radiant heat can be cost effective if preheated during off peak electricity hours if installed within an appropriately massive covering. Is there a way ...
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1answer
184 views

Electric Radiant heating Vs Hydronic - What can I get?

I have a carport that was closed in to become a 3rd bedroom in our house. It has a low ceiling of approx 8 or 9ft. I gutted the whole room so it's down to the slab right now. I'm in the process ...
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2answers
105 views

Radiant heat in ceiling

How do I tell where the radiant wiring or pads, or whatever, is in my ceiling? I want to install overhead cupboards but am afraid of ruining the heating.
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0answers
82 views

Why are some radiators hot when the system is off?

Yesterday I drained my heating system so I could cut the pipes on one radiator to raise it. After refitting, I filled and bled all the radiators and they were all working. When I got up during the ...
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3answers
727 views

Can I run PEX through PVC pipe embedded in a concrete floor with radiant heating?

I'm building a new home in New York State. It will be slab on grade with radiant heat in floor. I'm going to run the domestic water supply (PEX tube) to each bathroom, sinks, toilets etc. in the ...
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50 views

Floor heating or radiant? [closed]

Living in a cold area what one is better? I think for a family where there are people that live in the house mostly of the day the floor-heating should be the best in term of quality and saving money,...
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1answer
2k views

Best option to fix cracks in ceiling with radiant heat?

One of friends recently purchased a house with electric radiant heat in the ceiling. Several rooms have cracks in the ceiling. Currently they are redoing the kitchen which has a large crack which is ...