Heating mat innovation for all existing large space buildings
22. September 2014
We live in a time of massive climate change and need to prevent C02 emissions as far as possible especially in heating the existing building stock. New buildings already benefit from the wide range of proven technologies, which ensure energy saving and environmentally friendly heating. Both economical and environmentally friendly heating is a particular problem […]
To make the most effective use of thermal solar energy, either directly or as an input energy source for all types of heat pumps, the flow temperatures to the radiator or heating surfaces must be as low as possible. This requires large low-temperature (LT) heating surfaces on walls, ceilings or floors.
In practice, however, particularly in commercial buildings, such as production halls, vehicle repair and metalworking shops etc., the ceilings are rarely suitable as large heating surfaces, either because of crane trolleys, lifting equipment, pipes and ducts, etc., or being too high for LT thermal radiation. The walls are also usually fully occupied with machines, cabinets, tables, and windows, etc. The best and most economical and healthy solution, however, is to heat the floors, as this ensures workstations are heated directly and not the air in the hall, which largely and uselessly rises upwards. Physical comfort is also improved through warm feet and almost no dust dispersion compared to air systems.
Using cut-out or raised ramps of the same material, pallet trucks and FLTs, etc. can also navigate these mats even with the heaviest loads.
On cloudy days with very limited diffuse radiation or during the night, various types of heat pumps or conventional heating sources can be used to provide the required LT heating in a more or less cost-effective and environmentally friendly manner.
This now makes the economical, healthy and environmentally friendly heating of existing buildings possible, especially for industrial and commercial units.
Existing radiators or hot air blowers can be converted in a stepwise approach, for example connecting one area, at a relatively low cost, in parallel with the current pipework running at 55° to 70°C. This allows to gain confidence through successful experience.
Through recycling existing cable plastics, the materials used also offer a further benefit of not using new resources.
Source: DI Karlheinz Hinrichs Engineering Office for alternative energy technolog
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