Hydronic Radiant Floor Heating System Over Existing Concrete Slab

This is about installing hydronic radiant floor heating in a slab floor system.

Hydronic radiant floor heating system over existing concrete slab.

Check out our video how to install radiant floor heat tubing in a slab on grade and read this page for a. The system works via pex pipe a small pump a water heater and a thermostat. From what i ve read the usual approach is. In 1973 it has a concrete slab foundation with radiant heat water runs thru copper tubing within slab.

While it was done as a new house was being built in my last house i poured a concrete floor on top of a wood framed floor system and could have put radiant heat in that as well. This is the best choice for new construction and areas receiving new slabs. Home products hydronic systems concrete. There are several manufacturers of electric radiant floor heating systems that can be placed directly on top of an existing concrete slab.

Radiant heat warms a floor s surface through electric mats or water tubing installed on the surface of a concrete floor and encased in an additional thin layer of concrete or thinset. This system does not move the air with blowers and thereby reduces dust and. Delivered via warm water in plastic tubing installed in a floor radiant floor heating moves out from there making the room feel warm and comfortable. Existing slab foam for insulation vapor barrier subfloor with radiant tubing paths finish floor.

We wanted a wood floor and spent a lot of time talking to flooring experts. Some look like wire fencing that you roll out over the floor. The heat from the radiant heated floor rises to heat all surfaces in a room or home. You re going to lose a lot of energy heating the slab ground if there isn t some better insulating layer like foam boards.

There s two basic types of concrete floor heating hydronic and electric. Though installing a radiant floor heating system can run up to 50 percent more than for example conventional forced air heat it saves 30 percent in energy costs eventually paying for itself. Due to it s density and low conductivity concrete retains heat very well. Embedding your radiant heating system into a concrete slab is one of the most cost effective ways to install it and most energy efficient being that concrete is a great thermal mass.

14 years later still in good shape and seems to keep house warm and comfortable. The most cost effective system for medium to larger homes is hydronic since the amount of power it would take to heat a whole home with electric would be substantial. Shimon rura nov 23 15 at 20 05. A slab on grade is defined as any concrete slab poured over excavated soil.

I don t particularly like them however because they re not very energy efficient.