Industry and Handcraft
Stationary Heating -Devices
Our universal, customiseable basic devices in addition with the disposable, comprehensive accessories programme, are offering you a technically optimized and economic solution for your specific heating challenge. We can even offer you special-parts within a short time , due to our flexible sheet metal forming production.
Ceiling Ventilators
Heating of industrial buildings require in comparison relatively high energy consumption. According to physical laws, without heat recirculation systems, heat goes up - independently from what kind of heat generation is used for the heating of the industrial building.
Mobile Heating-Devices
Trendsetting technology with novel combustor and recuperator geometry for the energy-saving heating and aeration of industry halls, craft halls, tents, construction site heating and drying.
Hot Water Air Heating Devices
Doll hot water-register air heaters of the type-series WDA (Warmwater-Doll-Automatic) have been approved for application in commercially used rooms of all kinds, most notably also in very high rooms.
Portable Liquefied-Gas Heaters
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Electrical Heaters
The devices are easily transportable by the serially equipped carrying handles. With the utilisation of wall brackets from the accessory programme, these devices are also optimally applicable as stationary units.
Supply-Air Devices
Doll climate central devices are suited for heating, aeration and partial air-conditioning of garages, industrial halls, stores, offices and administrative buildings.
Process Engineeing
Whatever the required solution is - the supplying of process heat for example by desiccation processes of the drying-chamber-procedure, or high-temperature devices for process engineering or specially designed combustion chambers/ recuperators: We are offering you the corresponding solutions for your requirement.
Construction-Vented Dryers
Doll mobile vented dryers extract humidity from the compartment air by constantly circulating compartment air through the device. In the process the humid air flows over the cold evaporator tubes, whereupon it is chilled below the dew point.
Army-heaters
We are manufacturing mobile devices and devices in container/trailer-type design specifically constructed for different kinds of armed forces customized to their operating conditions and needs.
Tent-Heating Devices
For the heating of tents we are manufacturing mobile devices as well as devices in container-/trailer- design in each case in combination with a specifically matched set of tent-heating accessories, as there are Doll- blow-out towers (utility patent / patent), specially designed hot-air tubes and also ceiling-ventilators for air-recirculation to the floor area.
Wall-Air Discharging Ventilators
Heating of industrial buildings require in comparison relatively high energy consumption. According to physical laws, without heat recirculation systems, heat goes up - independently from what kind of heat generation is used for the heating of the industrial building.
Air Curtains for Gates & Doors
Trendsetting technology with novel combustor and recuperator geometry for the energy-saving heating and aeration of industry halls, craft halls, tents, construction site heating and drying.
Hot Water Air Heating Devices
Normally motor drives are running up with full motor-power when starting-up a ventilator, the negative side effects are that vee-belts can't be instantly accelerated from zero to full-transmission operation, the vee-belts get shifting and are causing a squeaky noise.
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