Air Handling Units

SKW Recu

Recuperative heat recovery for data centres, large offices and hospitals — counterflow or diagonal heat exchanger, matched to the airflow and hygiene requirements of the project.

Discuss Your Project
Technical Data
Counterflow or Diagonal

Exchanger type

ErP Compliant

Regulation

Constant

Air volume control

Active

Defrost management

Recuperative Heat Recovery,
Matched to the Application

Built for demanding projects

SKW Recu units can be configured as counterflow or diagonal heat exchangers, with a counterflow recuperator as standard or a suitably dimensioned cross-counterflow recuperator as an alternative. All units meet ErP regulations, with constant air volume control and active defrost management as standard.

  • Optional adiabatic system
    Adds evaporative cooling capacity where the project needs it.
  • Integrated DX, heat pump or reversible DX
    Choose the cooling and heating source that fits the building.
  • Switchable temperature control
    Change between constant return and constant supply temperature control.

Inside SKW Recu

How it works

Supply and extract airflows pass through separate ventilators and filters before exchanging heat across the recuperator — hover the markers on the diagram for the individual components.

Hotspot image

How SKW Recu Works

See it in action
SKW Recu video
shows how the device works in different seasons

Built Around Your Project

Configuration
Key Features
  • Recirculation of exhaust and supply air with simultaneous constant mixing of outdoor air
  • Controllable heat pump for energy recovery from the exhaust air
  • Variable outside air volume flow for dehumidification with constant exhaust and supply air flow
  • Heating register for reheating the supply air with low flow and return temperatures
  • Temperature and humidity control
  • Control cabinet mounted on the device or remotely on the wall
  • Option: plastic heat exchanger
High-Quality Housing
  • Acoustically insulated panels for low acoustic levels
  • Casing classification TB2, T2, L1 [M], D1 [M]
  • Robust design with up to 30% lighter weight
  • Duct connections on the side or on top, adjustable on site
Typical Applications
  • Data centres — stable supply air conditions for critical cooling loads.
  • Large offices — efficient ventilation at scale with ErP-compliant recovery.
  • Hospitals — controlled temperature and humidity for demanding indoor climates.

Frequently Asked Questions

Common questions

Both recover heat between supply and extract air. The counterflow recuperator is the standard configuration; a suitably dimensioned cross-counterflow (diagonal) recuperator is available as an alternative where the project calls for it.

Yes, all SKW Recu units are ErP compliant as standard, with constant air volume control and active defrost management.

Yes — integrated DX cooling, a heat pump, or reversible DX can be added, along with an optional adiabatic system for extra evaporative cooling capacity.

Top or side, adjustable on site, for flexibility in tight technical spaces.