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1answer
27 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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1answer
28 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
60 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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0answers
28 views

Replacing vinyl tile with ceramic

My current bathroom is vinyl tile over wood sub floor (second floor). From what I read online I should lay some concrete backer board on top of the vinyl before I lay the tile. My first problem with ...
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1answer
49 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
115 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
45 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 ...
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2answers
46 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
43 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
2k 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
150 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
138 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
52 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
70 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
144 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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0answers
40 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 ...
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1answer
1k 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 ...