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HR300 Heat Recovery Unit
Part No: HR300

  • Contols condensation and eliminates mould
  • Designed for continuous operation
  • Quiet operation
  • Speed controllable
  • Washable filters


The HR300 unit incorporates 2 specially developed mixed flow fans for low noise and efficiency, with up to 70% heat recovery. Effectively lowering internal relative humidity the HR300 unit controls condensation and eliminates mould growth. Designed for through the wall mounting.


Fresh, pre-warmed air from outside is continually provided to the room with simultaneous extraction of stale moist air and smells. Heat is transferred via a unique plastic heat exchanger from outgoing air to the fresh air supply with no cross contamination, maintaining internal temperatures and providing a fresh environment. The unit is fully controllable for speed using a small dedicated speed controller. Automatic ON/OFF control or switching to boost is easily achieved using sensors/timers e.g. humidistat. For summer operation the heatexchanger can be removed and replaced with a plastic divider board to provide positive cooling to rooms.

Available in three speeds: 75, 210 and 300m³/h. It is ideal for light commercial applications including function rooms, offices and classrooms.


Our Price: £592.00 (£493.33 + VAT)

Availability: 2-3 Working Days

Related Products

Speed Controller for HR300
Total: £
Performance: m³/h l/s
Max ventilation rate 300.0 83.33
Low Supply Rate 70.0 19.44
Low Extract Rate 75.0 20.83
Normal Supply Rate 190.0 52.78
Normal Extract Rate 210.0 58.34
Boost Supply Rate 270.0 75.0
Boost Extract Rate 300.0 83.33
N° speed settings 3  

Efficiency: The unit will retain up to 70% of the temperature differential of out going air.

Heat exchanger: Multi plate cross-flow type constructed out of a polymeric plastic with ultra sonic welded joints.

Motor: 240V 50Hz A/C with sleeve bearings and greased for life. It will operate up to an ambient temperature of 40°C and is fitted with a manual reset thermal overload protective device.

Controls: The unit is operated via a remote 3 Position switch, humidistat or a humidiswitch.

Filter: Washable reticulated foam type coarse filter.

Construction: The unit outer case is a rigid ABS moulding. The internal/external grille is a cream coloured ABS moulding.

Sound Levels: dB(A) @ 3m
Trickle: 37.0
Medium: 40.0
Boost: 44.0

Mains electrical supply: 230VAC 50Hz.

Complies to the following approvals/directives: LVD, EMC and CE.