Hitachi Air Conditioning Plenums

Hitachi Duct-IN air conditioning plenum boxes to suit the full range of Hitachi ducted fan coil units. 

Duct-IN is the leading specialist in galvanised steel plenums that conform to DW144 to the engineer and architect’s needs. 

Customers can choose top, bottom, either side entry discharge or return. Specify the diameter of your spigot and either the round or oval spigots. 

Your client can opt for internally or externally lagged to prevent moisture build-up and has sound-deadening properties. 

A current trend with architects it has the industrial feel with open ceilings. 

Galvanised steel plenum is perfect in keeping compared to ABS plastic plenums. 

Another benefit of working with Duct-IN is we can provide a powder coating service, allowing plenums to be any colour required by a client. Blend your plenum in with other HVAC services and makes it more aesthetically pleasing for the client. 

With multiple options for our customers and owners who have years of experience, this makes Duct-IN the most flexible air conditioning plenum manufacturer on the market.

RAC MONO/MULTI ZONE - Supply & Return Air Plenums

HITACHI – RAD-QPB
HITACHI – RAD-RPA

Split Air Conditioning - Supply & Return Air Plenums

HITACHI – RPI-UNE1NH
HITACHI – RAD-RPE

IVX CENTRIFUGAL CONDENSER

HITACHI – RASC-HNPE

System Free Indoor Ducted

HITACHI – RPFI-FSN2E
HITACHI – RPI-FSN3E
HITACHI – RPI-FSN5E
HITACHI – RPI-FSN5E
HITACHI – RPIM-FSN4E-(DU)

Econofresh Ventilation

HITACHI – EF-4561E