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.
How to install radiant floor heating this old house.
Install two plates per joist bay.
Although electric radiant heat is a popular choice for small projects retiling a bathroom say hydronic or water based radiant provides the ultimate in efficiency for bigger projects or an extensive remodel.
A bathroom size warm floor retrofit will cost 400 to 700 including the cost of the new tile.
Radiant floor heating is probably the best way to heat up any space.
This old house plumbing and heating expert richard trethewey helps guide you through two types of heated floors in terms of cost installation and energy efficiency to select the right one for your house.
Installing radiant heat between joists.
Start by having a licensed electrician test the radiant heat mat to ensure it s working properly.
Use end nippers to snip off any nails protruding from subfloor within the joist bays.
They re ideal for whole house heating but professionals suggest installing them during the home s construction because they can be difficult to retrofit if the home isn t already outfitted with the proper equipment.
Remove any insulation from between the floor joists located directly below the room you plan to heat.
Retrofit radiant heat into your home or for new construction duration.
In this video this old house plumbing and heating contractor richard trethewey explains how to install electric radiant heating.
Fasten aluminum transfer plates to underside of subfloor with inch long self tapping screws.
After preparing the subfloor for tile use a trowel to spread thinset mortar onto the tile backerboard.
How well does radiant floor heat work.
That s the appeal of radiant floor heating says this old house plumbing and heating expert richard.