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An indispensable component of hybrid heat distribution systems -
copper-aluminium REGULUS-system radiators

Increasingly warmer construction, better building materials, accumulating heat, allow for changes in the way we heat buildings. A slow decline can be observed of radiators common in the previous era - finned tube radiators, panel radiators, heavy, placed under the window and always white. Modern radiators do not have to necessarily hang below the window. Decorative, colourful, vertical or having yet another design, they may be located next to a window, on a pillar, on an empty wall, inside the wall (INSIDE-system) or the floor (CANAL-system). Efficient low-temperature heating is also possible. The indoor temperature is stabilised by all partitions heated to the desired temperature, such as the walls, ceiling and floor, as well as furnishings. We have learned to limit heat losses in ventilation.
Radiator - REGULUS-system DUBEL
The role of each radiator is reduced to precisely supplementing current heat losses. Small heating needs cause that smaller radiators, by heating for a fraction of a day, can easily warm the whole house. A central heating system works longer only during cold weather and at night, heating is short-term during the transitional periods, so the downtime periods of the system are getting longer. Thus, underfloor heating working permanently from fall to spring is slowly becoming obsolete. A much better solution for the economics of heating and thermal comfort is heating based on two components, one with high thermal inertia ("underfloor heating" or wall-mounted heating) and the second with a minimum thermal inertia, quickly responding to any expectation of the user (e.g. copper-aluminium REGULUS®-system radiators), connected in the capacity ratio of about 30:70, supplied from the same heat source.
REGULUS-system CANAL - corner trench heater

Connecting a slow component with a fast one in home heating, working in the same supply temperature, using the same heat source, is called hybrid heat distribution. What caused this direction of the next stage of evolution of heating systems? Economics and energy conservation. The more precise is a radiator, the better for the user's budget and for thermal comfort. When the preset temperature is reached, the radiator should stop heating as soon as possible, and therefore placing the whole heating power in a very poorly controllable underfloor heating is considered a waste of energy. In the fight for lower heating costs and the environment, each percent of energy saved is a joint success.