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Blauberg Freshbox 100 black

Single-room air handling units. Maximum air flow up to 100 m³/h.
EAN codeEAN4058448029080
  • Description
  • Characteristics
  • Capacity diagram
  • Downloads
  • Dimensions
  • Additional characteristics
  • Designation key
  • Accessories
  • Video

Electric preheating or reheating is available for cold climate conditions.Units with enthalpy heat exchangers are available for use in hot and wet climates.Low-energy EC motors.Silent operation.Supply air purification ensured by two built-in G4 and F8 filters (optionally H13).Upgradeable with an exhaust duct to provide air extraction from the bathroom.Easy installation.Compact size.


Polymer coated metal casing decorated with an acrylic front panel. Heat and noise insulation is ensured by a layer of 10 mm cellular synthetic rubber.The front panel provides convenient access for filter maintenance and has a lock for extra security.The unit has two ∅ 100 mm pipes for fresh air intake and stale air extraction outside. The third ∅ 100 mm pipe (included in the scope of delivery) can be additionally fitted to the unit to connect the exhaust air duct from the bathroom.

The units feature efficient electronically commutated (EC) motors with an external rotor and impellers with forward curved blades. These state-ofthe- art motors are the most advanced solution in energy efficiency today.EC motors are characterised with high performance and optimum control across the entire speed range. In addition to that the efficiency of electronically commutated motors reaches very impressive levels of up to 90 %.


The unit is equipped with supply and exhaust air dampers which activate automatically to prevent drafts while the unit is off.

The Freshbox 100 units are equipped with a counter-flow heat exchanger with a polystyrene core.

  • In the cold season the exhaust air heat is captured and transferred to the supply air stream which reduces the ventilation-generated heat losses. Some condensate may form during heat recovery. The condensate is collected in the drain pan and is removed from the exhaust air duct.
  • In the warm season the intake air heat is transferred to the extract air stream. This allows for a considerable reduction of the supply air temperature which, in turn, reduces the air conditioning load.

The Freshbox 100 ERV units are equipped with a counter-flow heat exchanger with an enthalpy membrane at the core.

  • In the cold season the exhaust air heat and moisture are transferred to the supply air stream through the enthalpy membrane reducing the heat losses through ventilation.
  • In the warm season the heat and humidity of the outdoor air is absorbed by extract air flow through the enthalpy membrane. This way the supply air temperature and humidity decreases and heat recovery reduces operation loads for the air conditioner.

Supply air cleaning is provided by the G4 and F8 panel filters (PM2.5 > 75 %). To meet more stringent air purity requirements the F8 filter can be replaced with an H13 (PM2.5 > 99 %) (purchased separately). Exhaust air is cleaned by the panel filter G4.



Freshbox E-100 units are equipped with an electric preheater which protects the heat exchanger from freezing.


Operation in a cold climate may result in condensate freezing in the exhaust air duct and the external hood. Therefore, it is recommended to install the EH Freshbox 100 (optional) heater (purchased separately) to prevent icing.


The cold outdoor air passes through the filters and the heat exchanger and then is delivered to the serviced space by the supply centrifugal fan.Warm stale air from indoors passes through the filter and the heat exchanger and is discharged outdoors by the centrifugal fan.The supply and exhaust air flows are fully separated which helps eliminate the possibility of odour or microbial transfer between the streams.

  Operating principle with extra spigot for bathroom exhaust ventilation

The unit is equipped with a control panel.The remote control is supplied as standard.


  Freshbox 100 Freshbox E-100
Speed changeover
Filter replacement indication
Alarm indication
Speed setting
Weekly schedule
Reheating enabled/disabled  


There are two types of freeze protection available to protect the heat exchangers in the cold season.Freshbox 100 features an exhaust air temperature sensor downstream of the heat exchanger which disables the supply fan to let the warm extract air warm up the heat exchanger. After that the supply fan is turned on and the unit reverts to the normal operation mode.The Freshbox E-100 units are equipped with an electric preheater which warms up the supply air upstream of the heat exchanger to prevent its freezing.These features ensure a continuous balanced air exchange regardless of ambient air temperature variations.


Each space requiring ventilation is equipped with one or several Freshbox 100 units.A single unit is capable to ensure efficient ventilation in spaces with floor area up to 75 m².

Freshbox 100 units can be upgraded with a bathroom exhaust air duct. To enable such a configuration the units can be additionally equipped with the optional ∅ 100 mm spigot (supplied as standard).

Parameter Freshbox 100 black
Speed I
Freshbox 100 black
Speed II
Freshbox 100 black
Speed III
Measurement unit
Speed I II III -
Voltage 110-240 110-240 110-240 V
Phase 1 1 1 ˜
Frequency 50/60 50/60 50/60 Hz
Max. power without electric heater 12 21 45 W
Reheater power consumption - - - W
Max. unit current without electric heater 0.4 0.4 0.4 A
Max. unit current with electric heater - - - A
Preheater power consumption - - - W
RPM 2200 2200 2200 min-1
Maximum air flow 8 17 28 l/s
Maximum air flow 30 60 100 m³/h
Sound pressure level at 3 m in accordance with ISO 3741:2004 13 27 39 dBА
Transported air temperature -20...+40 -20...+40 -20...+40 °С
Extract filter G4 G4 G4 -
Supply filter G4, F8 (Option: F8 C, H13) G4, F8 (Option: F8 C, H13) G4, F8 (Option: F8 C, H13) -
Insulation thikness 10 10 10 mm
Heat recovery efficiency 98 92 89 %
EC motor yes yes yes -
Remote control panel LCD LCD LCD -
Heat exchanger type counter-flow counter-flow counter-flow -
Functions Filter replacement indication, Timer, Weekly schedule Filter replacement indication, Timer, Weekly schedule Filter replacement indication, Timer, Weekly schedule -
Heat exchanger material polystyrene polystyrene polystyrene -
Connected air duct diameter 100 100 100 mm
Heating without heating without heating without heating -
Casing material polymer-coated steel polymer-coated steel polymer-coated steel -
SEC class A A A -
Weight 31 31 31 kg
Mounting wall mounting wall mounting wall mounting -
* Heat recovery efficiency is specified in compliance with EN 13141-8 Heat recovery efficiency is specified in compliance with EN 13141-8 Heat recovery efficiency is specified in compliance with EN 13141-8 -
Capacity diagram
Capacity diagram
  • Selection method:
  • Air capacity:
  • Pressure:
Operating point
  • Air capacity: --
  • Pressure: ---
Documents archieve
Documents archieve
Select a document type
  • Catalogues
  • Technical documentation
  • Certificates
Freshbox 100 - data sheet (pdf 1.29Mb)
Freshbox 100 - user's manual (pdf 6.25Mb)
Freshbox 100 black - image (png 93.49Kb)
EH Freshbox - data sheet (pdf 171.24Kb)
Freshbox 100 black - Energy Label (pdf 55.77Kb)
Freshbox 100 black - Specification (pdf 35.56Kb)
EH Freshbox - user's manual (pdf 1.86Mb)

Additional characteristics
Additional characteristics

Sound-power level, A - weighted Total Octave frequency band [Hz] Sound pressure level at 3 m, A-filter applied Sound pressure level at 1 m, A-filter applied
63 125 250 500 1000 2000 4000 8000
LwA to environment [dBA] 49 45 40 44 38 33 29 27 22 28 38
Designation key
Designation key
Model Heater   Rated air flow [m³/h] Heat exchanger type Colour

_: no heater
Е: preheater

- 100

_: heat recovery
energy recovery

_: white casing
black casing
Name Description
MS Freshbox 100 chrome

Mounting kit:

  • Two ∅ 100 mm air ducts, 500 mm long
  • Ventilation outer hood made of polished steel
  • Cardboard template
MS Freshbox 100 white

Mounting kit:

  • Two ∅ 100 mm air ducts, 500 mm long
  • Ventilation outer hood, painted white
  • Cardboard template
AH Freshbox 100 chrome Ventilation outer hood made of polished steel
AH Freshbox 100 white Ventilation outer hood, painted white
EH Freshbox 100 Heater to prevent condensate freezing in the drain pipe and outer ventilation hood
FP 193x158x18 G4 PPI G4 Filter
FP 193x158x47 F8 F8 Filter
FP 193x158x47 F8 C F8 Carbon Filter
FP 193x158x47 H13 H13 Hepa Filter
HR-S Humidity sensor

CO2 sensor with LED CO2 indication and a sensor button for operation mode selection


CO2 Sensor