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Radiant heat: cleaner, healthier and more economical

Heated walls and/or floors are more (cost-) efficient and can protect you and your family from illness.

The heating of 90% of all homes can be improved and made less expensive. All that is required is a change from air heating (which uses cv-convectors or gas convector heaters) to radiant heat.
Two identical homes are pictured below. House A has central heating, the standard, 'trusted' way of heating homes via corrugated sheet-iron 'cv-radiators' placed throughout the house. This would be an efficient system if these cv-radiators were actually radiators (the word literally means 'to radiate'), but they are not: these so-called 'heaters' are good for only one thing: to warm the air. CV-radiators are in fact convectors, the same as the iron gas heaters and gas stoves that heat up air. As such, cv-radiators heat the house by continuously warming the air, and, in the process, potentially harmful dust is constantly circulated throughout your home; moreover, (see illustration of the central heated house), a stream of dusty warm air rises to the ceiling and, if your home has open staircases, travels up the staircase to the floor above, where it cools and eventually returns down the same staircase as a cold draft.


House with heated air from central heating


In centrally heated homes, therefore, large temperature variations exist, varying up to 30° C during cold weather: near to the ceiling it's 40° C , while at floor level it is 10° C!
In recent decades, governments have encouraged us to save energy by sealing our homes with weather stripping. But what happened in the process? In order to save energy, we tightly sealed up all our windows and doors; but in doing so, our homes were no longer properly ventilated. And there are serious consequences as a result of this: the number of allergy cases and chronic lung ailments continues to rise dramatically, especially among children. The air in the house is moist, stuffy and dusty, and the interiors of many homes actually become moldy. Moreover, organic dust, which settles on heating pipes and convectors and is singed when cv water temperatures reach 80° C, creates anatomized urea steam, the acidic, headache-causing gas you smell when first turning on the cv-radiator on a cold autumn day, and which will continuously recur as new dust settles and singes on the pipes and convectors.


The same house: now heated by radiant heat from a tile stove


House B is heated by radiant or infra-red heat. As shown in the picture above, this is done by using a tiled heater; however, there is another way: by using cv-water-heated walls (and/or partially heated floors). The heat is conveyed to the surface by heated stones - tiles or stucco walls - and is reflected by shiny surfaces (metallic foil or aluminum foil or silvery insulation material) behind wooden walls or plaster sheets, and underneath wood or tile floors. In practice, the air is not heated, remaining fresh and cool, and, importantly, none of the above-mentioned harmful dust is circulated through the house, because an upstairs window is kept partially open, which ensures that your house is always properly ventilated. The result is cleaner and healthier air within your house, as well as significantly lower monthly heating bills.