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Controlled home ventilation is being used in more and more modern houses and flats – with good reason. Due to the particularly good tightness of windows and doors, these homes have an optimum energy balance, but can often no longer achieve a sufficient change of air. An unhealthy atmosphere, stale air and as the worst case mould can be the result.
The building shell of modern houses (Passive Houses) is insulated to be so air-tight that moisture accumulating indoors (due to exhalation, perspiration, cooking, showering etc.) and odours (cooking, toilets) can no longer be conveyed to the outside to a sufficient extent. Conversely, too little fresh air can get inside. The result: an unhealthy atmosphere, stale air and as the worst case mould. Controlled home ventilation ensures an automatic and minimum change of air. Thanks to integrated and efficient heat retrieval and the use of filters, there are also further advantages over manual ventilation, such as a considerable saving in energy and protection from allergens (pollen) and insects.
LTG offers components developed especially for use in the home to ensure controlled home ventilation: LTG air diffusers, already doing sterling service in hundreds of prefabricated homes made by top building companies, precision components from LTG air distribution and comfortable LTG air/water systems.

Comfortable and efficient – our products for ventilation and air-conditioning in modern houses and flats:

Visually unique LTG air diffusers such as

  • the elegant and quiet-as-a-whisper air diffusers of the LDBhome series – ideal for living rooms, children's rooms and bedrooms. With the patented LTG System clean® to prevent soiling of walls and ceilings. Already in use in hundreds of prefabricated homes!
  • the inconspicuous and effective air diffusers for floor installation LDU and LDU-W, which provide effective thermal screening for the facade and can, thanks to LTG SystemDesign, be combined with all floor components in a uniform appearance,
  • the ceiling air diffuser DSA AirPanel, designed especially for inconspicuous installation in suspended ceilings,
  • the variably designable overflow diffuser LDO-T, which compensates for pressure differences and at the same time prevents the transmission of noise and conversation and
  • further special diffusers.

Components from LTG air distribution for optimum supply to the rooms, such as flow rate controllers VRE/F in round and angled versions – also with LTG System ActiveControl and as a dual controller VRD for supply air and return air control in parallel-routed air lines – or pressure controller DRE/F.

Highly efficient and convenient LTG air-water systems such as the proven and efficient fan coil units VKB LTG FanPower or static heaters SKB – space-saving and visually unobtrusive by installation in the floor, or the innovative KFA cool wave® cooling fan – for silent and draught-free cooling.

Thanks to LTG SystemDesign, floor units can have a uniform design in the entire home – regardless of which technology is behind it. Matched control concepts and components are of course also available.

Innovative air flows

  • LTG mixed/displacement ventilation: Builds on the benefits of displacement air ventilation to achieve high cooling capacities and excellent thermal comfort even in very deep rooms.
  • LTG System Indivent: Displacement air ventilation turned on its head: outstanding comfort thanks to a combination of mixed and displacement air ventilation delivered from the ceiling
  • LTG TransientFlow: Transient and highly inductive pulse ventilation for high thermal comfort combined with exceptional energy efficiency.

Energy-efficient techniques

  • LTG demand-controlled ventilation: Active control from within the room of the required outside air volume and minimised energy costs for air conveyance and preparation.
  • LTG hybrid ventilation: Simple combination of mechanical and natural ventilation designed to minimise energy costs and increase the maximum available cooling capacity
  • LTG direct induction: Induction method using decentralised supplied air units to go beyond the physically possible cooling capacity.

Innovative product design

  • LTG SystemDesign: All floor units and floor-mounted air diffusers have a uniform appearance irrespective of their function or system
  • LTG System clean: In LDB linear air diffusers, a narrow air screen flows along the ceiling to prevent soiling and to minimise renovation and cleaning costs.
  • LTG SilentModule: A modular system for air boxes that can be adapted for use in different wall and ceiling structures and are pre-equipped with cross-talk sound attenuators.
  • LTG CoolWave chilled beam: Silent, gentle cooling with pulsed airstreams
  • LTG PulseVentilation system: Decentralised and non-stationary air conditioning, cost-effectively implemented using one of the oldest concepts in the world: breathing.



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