Hydronic radiant floor heating systems can create heat in different and specified areas of a home by sending warm water through something called PEX tubing, which is made out of flexible plastic. The tubing is located within the building’s floors or underneath them with PEX standing for cross-linked polyethylene. Along with PEX tubing, the radiant floor heating systems also consists of a heat source, manifolds, pumps, and controls. There are no joints in the PEX tubing used therefore uncut lengths of the tube are designed to snake through the floor and they both start and end at a manifold.
Whereas forced-air heating systems work by blowing warm air through ducts, the hot water radiant systems use a boiler or water heater as their source of heat. However, high-efficient solar and geothermal sources may also be used to provide heat. Since the radiant floor system can heat specific rooms and areas of a home you can have different temperature settings for each one. This makes it a highly energy-efficient system since you can lower the heat settings on unoccupied rooms and those that are less-frequently used.
The radiant floor heating system works when the circulating pump sends hot water flowing through the tubing and then returns it to the heater. The manifold is designed to balance the water in individual lengths of tubing which are known as loops and this vents the heating system. When the water makes it back to the water heater or heat source it is approximately 10 degrees Fahrenheit cooler than it was when it left. When the PEX tubing is installed it goes down in long loops which are placed approximately nine inches apart and it’s attached to the floor via a staple gun. Mortar or concrete is then poured on top of the PEX tubing.
For the most even heat, it’s recommended that the hot water is circulated through PEX tubing and is also covered over in a layer of material and ceramic tile flooring. This material could be dry-tampered mortar, Gypcrete or lightweight concrete. When the tiling is combined with this cement-type layer, it is able to store heat in it for quite some time and it can still radiate the heat even when the hot water is no longer circulating through the system. This makes a radiant floor heating system an ideal heating source in areas with colder climates.
The cost of the radiant heating system typically goes by square foot and generally depends on the size of the job and where you reside. Installation of radiant floor heating systems includes the all of the necessary tubing as well as the water heater, manifold, and the pump. The tubing will need to be embedded, usually with dry-tampered mortar, and the floor is then finished with ceramic tiling being the best option. Many Toronto area homeowners install radiant floor heating systems in additions to their homes since the operating costs are lower than a furnace. In addition, the water heater takes up less space than a furnace and the ductwork.
For more information about hot water radiant floor heat systems please contact our professional team of contractors us at Nusite Waterproofing.
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