Heat recovery ventilator recoVAIR: VAR 260/4E enthalpy ventilation unit with heat recovery 260. 0010019691

Central ventilation unit with heat and moisture recovery, designed for continuous air exchange

The recoVAIR VAR 260/4E heat recovery ventilator is an enthalpy ventilation unit with a counter‑flow cross‑flow heat exchanger, designed for continuous, controlled air exchange in residential buildings. The maximum capacity is 260 m³/h — exactly as stated in the technical data — which meets the needs of average apartments or single‑family houses.

In the complete version it includes F7 and G4 filters that effectively remove dust, pollen and other contaminants from the incoming air. An integrated humidity sensor automatically adjusts the device’s operation to room conditions — helping to maintain optimal humidity levels and preventing condensation and mold growth. A bypass allows temporary disabling of heat recovery during warm periods — without additional installation modifications.

The enthalpy exchanger transfers not only heat but also moisture from the exhaust air to the supply air — thus avoiding excessive drying of rooms while keeping thermal comfort stable. Connections with a diameter of FI150/180 mm enable easy installation in existing ventilation ducts, and the dimensions 885 × 595 × 631 mm allow installation even in limited spaces — under the ceiling or within a wall.

A digital controller manages the whole unit and enables integration with other Vaillant systems — boilers, heat pumps or CO₂ sensors. The fans are designed to consume about 15 % less energy than required by Passive House Institute standards, resulting in lower operating costs without loss of performance. F7 filters feature automatic dirt‑level monitoring — they signal when replacement is needed, preventing reduced airflow.

Supply and exhaust air streams do not mix — the counter‑flow cross‑flow design guarantees stream isolation and prevents contaminant transfer between rooms. The device meets the criteria of the Passivhaus Institut Darmstadt (PHI), confirming its high energy efficiency and safe operation.