From the Floor Up

Where You Can and Can’t Put Under-floor Heating

Posted by Daltile Team on Jan 2, 2016 10:30:00 AM

And Other Radiant Heating Answers

Volume 1.0 in Degrees Silver 12 x 24 on the floor

Cold floors don’t have to be a thing at your house anymore! More and more homeowners are sidestepping tradition and springing for radiant heat under their floors. It’s not just a luxury item on a wish list anymore. It is a feasible, efficient heating option for most of the house.

Where Under-Floor Heating Can Go

The kitchen, the bathroom, the bedroom, you name it. It can go pretty much anywhere. Traditionally, radiant heat is placed under masonry type floors like tile. But you can put it under carpet or hardwood too. You’ll just need the right kind of heating system for your type of flooring and you’re all set.

Where Under-Floor Heat Can’t Go

In order to do its job, under-floor heat needs to be exposed. You’re not going to put it under places that will be covered up like under the cabinets in the kitchen or a permanent piece of furniture. You also won’t want to put it in closets (unless they are expansive walk-ins).

What Type of Flooring You Can Put On Top of Under-Floor Heating

As already stated, most flooring is suitable for radiant heat as long as you select the right type of heating system. Tile is an ideal material because it is an efficient conductor. It holds and translates heat very well to keep your home warm without being wasteful.

Any type of tile is suitable including stone. Choose any size tile from a tiny mosaic to a large format. You can’t go wrong with tile for under-floor heating.

How to Get Even, Efficient Heat

Radiant heat is quite efficient when installed correctly and getting it right is a bit of a mathematical feat. Though these heating systems look fairly straightforward and simple to install, they do require some specialized training.

Your installer has to carefully plan the heating because the wire cables cannot be modified in any way. You can’t decide to extend or shorten the cable mid-project. Where the cable will be laid has to be planned out so there is good coverage and no hotspots. The right voltage cable is a must and it depends on the size of the room and the climate the home is in.

Probes have to be installed also. These are connected to the thermostat and keep tabs on the floor so the system can moderate the temperature efficiently.


Consider under-floor heating for your new tile installation. It’s an excellent choice for whole home heating and spot heating alike.

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