6 speed levels

5 / 14 / 21 / 32 / 52 / 70 m³/h supply rates plus night mode at 12 m³/h

Night mode

Silent 12 m³/h with +4°C extra incoming temperature for sleep comfort

Winter mode

Anti-frost protection prevents heat exchanger icing in extreme cold

Mini-heating

Switchable micro-heater extends operating range to −30°C outdoor

Status LEDs

Front-panel LEDs show current speed, mode, and filter cleaning indicator

Wireless remote

IR remote control included as standard. All speeds, modes, and on/off accessed from across the room

Manual on/off

Run continuously or switch off at the wall when not needed. Default behaviour: continuous low-speed

Filter LED indicator

Front-panel LED indicates when filter cleaning is due — typically every 3–6 months

Upgrade to ERP PRO

For app control, WiFi, and AUTO mode driven by CO₂/TVOC/humidity sensors, choose the ERP PRO variant

Through-wall sleeve

Ø162 mm core hole — single drilling, no internal ductwork required

Module length

450 mm minimum — fits standard external wall thicknesses

Module diameter

150 mm — compact fitting inside the wall sleeve

Two EC fans

Independent supply and extract, separately controlled, brushless motors

Copper heat exchanger

Naturally antimicrobial, irregular channel design reduces noise 7–8×

G2 filter (standard)

Washable mesh filter on supply side. Cleaned at home. G4 upgrade available (+£25)

Internal grille

Slim white grille, supplied — sits flush on the internal wall

External cap

Stainless or white — weather-protected, integrated insect screen

Weight

≥ 4.3 kg — wall-mounted, no floor or ceiling fixings required

2 year warranty

PRANA covers the unit for 2 years from commissioning. CE certified, fans tested by TÜV SÜD, ISO 9001 quality system.

25+ year design life

Copper heat exchanger has no moving parts and no degradation path. EC fans rated for 50,000+ hours of continuous operation.

Filter cleaning

Every 3–6 months — slide out the G2 mesh, wash under the tap, let it dry, reinstall. Takes 2 minutes.

Optional G4 upgrade

Replace standard G2 mesh with a G4 cartridge for finer filtration. £25 add-on. Same cleaning routine.

No service contract

No annual servicing required. No smart subscriptions. No remote monitoring fees. The unit just runs.

No refrigerant

The unit is purely mechanical — fans, copper exchanger, no F-gas. No regulated handling, no leak risk, no phase-out concerns.