Do Floor Radiant Heating Pads Require Dedicated Circuit

A bathroom size warm floor retrofit will cost 400 to 700 including the cost of the new tile.

Do floor radiant heating pads require dedicated circuit.

The current requirements of radiant floor heating systems usually require a dedicated system. Is there really a danger in hooking this up to my bathroom bedroom circuit. However small circuits under 20 sqft can be made with just 2 amp current maximum meaning they can be installed on the existing circuit. The instructions that come with the heating cable say that the circuit for the heating wire must be separate.

If you re remodeling it s a good time to satisfy both requirements. Under floor heating is much different than electric strip coil heaters. Per the electrician quotes this is a huge p i t a. With a 4 5 amp draw by the floor why can t we use the existing 20 amp circuit that is shared by the bathroom outlets.

The best way to power the radiant heat floor is to hire a licensed electrician to run a dedicated circuit from the home s main electrical panel to the correct room. Typically floor systems have a 15 amp maximum current per circuit. This is impossible to do. I want to put in under the tile floor heating in my bathroom which is being renovated.

If you re installing radiant floor heat in an existing room you ll need a dedicated 15 to 20 amp gfci protected circuit to power the system and an excuse to lay a new tile floor. The electrician also can install the control panel heating sensor in the wall. The heating wire that would go in is rated at only 300 watts.