F8 filter TwinFresh ฿1,290.00 Incl VAT

Micra 100 ERV WIFI is a single-room energy-efficient supply and exhaust unit intended for decentralized ventilation of residential and commercial spaces (ex offices) as well as apartments and houses. This air handling unit is ideally suited for creating simple yet highly efficient ventilation systems in newly erected and renovated spaces without requiring ducting installation.

Maximum capacity – 100 m3/h.

  • Efficient solution for supply and exhaust ventilation of separate spaces.
  • Heat exchanger with an enthalpy membrane for humid and hot climate conditions.
  • Low-energy ЕС fans.
  • Supply air purification ensured with two built-in G4 and F8 filters (optional H13, F8 Carbon).
  • Excellent noise control (25-38 dBA).
  • Upgradeable with an exhaust duct to provide air extraction from the bathroom.
  • Easy installation.
  • Compact size.
  • Modern design.
  • Control with the mobile application Android / IOS.

Order item, 6-8 weeks

Available on backorder





  • Polymer coated metal casing decorated with an acrylic front panel. Thanks to the modern design the unit can seamlessly blend with most interior design. Heat and sound insulation is provided with 10 mm cellular synthetic rubber layer. The front panel ensures convenient access for filter maintenance and has a lock for extra security. The unit has two ø 100 mm inlet and outlet spigots for fresh air intake and stale air extraction outside. The third ø 100 mm spigot (included) can be additionally fitted to the unit to connect an exhaust air duct from the bathroom.


  • The units feature efficient electronically commutated (ЕС) motors with external rotor and impellers with forward curved blades. The state-of-the-art motor design offers the very best energy efficiency performance. EC motors are distinguished with high performance and totally controllable 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.



  • G4 and F8 panel filters provide supply air filtration (PM2.5 > 75 %). To meet more stringent air purity requirements a F8 filter can be replaced with an H13 (PM2.5 > 95 %) or F8 Carbon (purchased separately).
  • G4 panel filter provides extract air filtration.


  • MICRA 100 ERV WiFi units are equipped with a counter-flow heat exchanger with an enthalpy membrane.
  • In the cold season the extract air heat and moisture are transferred to the supply air stream through the enthalpy membrane reducing the heat losses from ventilation.
  • Warm season, the heat and moisture of the ambient air is transferred to the exhaust air stream through the enthalpy membrane in the warm season. This allows for a considerable reduction of the supply air temperature and humidity, which reduces operation load for the air conditioners.




  • The unit is equipped with a control panel
  • The remote control is supplied as standard
  • Wi-Fi communication
  • Controlled by Android or iOS smartphone or tablet



1. Turning unit on/off
2. Speed selection
3. Increasing temperature set point for the re-heater (available for the models with a re-heater)
4. Turning re-heater on/off (available for the models with a re-heater)
5. Decreasing temperature set point for the re-heater (available for the models with a re-heater)
6. Turning timer on/off
7. Activation/deactivation of the scheduled operation mode




  • Speed changeover
  • Filter replacement indication
  • Alarm indication
  • Speed setting
  • Timer
  • Weekly schedule

VENTS MICRA app is available
at Google Play Market and App Store



  • Each space requiring ventilation is equipped with one or several MICRA 100 WiFi units.
  • A single unit is capable to ensure efficient ventilation in spaces with floor area up to 100 m2.
  • MICRA 100 ERV WiFi units can be upgraded with a bathroom exhaust air duct. To enable such a configuration the units can be additionally equipped with the optional ø 100 mm spigot (supplied as standard).

MICRA 100 ERV WiFi deployment in a compact residential space 

MICRA ERV 100 WiFi mounting example in the office


Parameter MICRA 100 ERV WiFi
1 speed
2 speed
3 speed
4 speed
5 speed
Measurement unit
Speed 1 2 3 4 5
Phase 1 1 1 1 1 ˜
Voltage 110-240 110-240 110-240 110-240 110-240 V
Maximum unit power without an electric heater 20 23 29 37 53 W
Electric preheater power W
Electric reheater power W
Max. unit current with electric heater A
Max. unit current without electric heater 0.4 0.4 0.4 0.4 0.4 A
Sound pressure level at 3 m distance 13 20 27 33 39 dBА
Casing material polymer coated steel polymer coated steel polymer coated steel polymer coated steel polymer coated steel
Frequency Frequency 50/60 50/60 50/60 50/60 50/60 Hz
Insulation 10 mm 10 mm 10 mm 10 mm 10 mm
Filter: extract G4 G4 G4 G4 G4
Maximum air capacity Maximum air capacity 30 44 60 75 100 m³/h
Filter: supply * option G4, F8, * F8 Carbon; H13 G4, F8, * F8 Carbon; H13 G4, F8, * F8 Carbon; H13 G4, F8, * F8 Carbon; H13 G4, F8, * F8 Carbon; H13
Connected air duct diameter 100 100 100 100 100 mm
Air capacity Air capacity 30 44 60 75 100 m³/h
Heat recovery efficiency 96 94 92 89 87 %
RPM RPM 2200 2200 2200 2200 2200 min-1
Heat exchanger type counter-flow counter-flow counter-flow counter-flow counter-flow
Heat exchanger material enthalpy membrane enthalpy membrane enthalpy membrane enthalpy membrane enthalpy membrane
Weight 31 31 31 31 31 kg
Type supply and exhaust supply and exhaust supply and exhaust supply and exhaust supply and exhaust
SEC Class SEC Class A A A A A

Additional characteristics

Trade mark VENTS
Model MICRA 100 WiFi
Specific energy consumption (SEC), kWh/ (m².a) Cold Average Warm
-79.4 А+ -39.7 А -14.3 Е
Type of ventilation unit Bidirectional
Type of drive installed Variable speed
Type of heat recovery system Recuperative
Thermal efficiency of heat recovery, % 92
Maximum flow rate, m³/h 100
Electric power input, W 53
Sound power level, dB(A) 47
Reference flow rate, m³/s 0.017
Reference pressure difference, Pa N/A
Specific power input (SPI), W/(m³/h) 0.483
Control typology Local demand control
Maximum internal leakage rates, % 0.1
Maximum external leakage rates, % 0.9
Mixing rate of bidirectional units, % 20
Airflow sensitivity at +20 Pa and -20 Pa 0.93
The indoor/outdoor air tightness, m³/h 7
Internet address www.ventilation-system.com
Annual electricity consumption (AEC), kWh electricity/a Cold Average Warm
863 326 281
Annual heating saved (AHS), kWh primary energy/a Cold Average Warm
9230 4718 2133



Name Picture Description
MK Micra 100 white Mounting kit:
Two plastic Ø 100 mm air ducts 500 mm long;
Outdoor box (white);
Cardboard template
MK Micra 100 chrome Mounting kit:
Two plastic Ø 100 mm air ducts 500 mm long;
Outdoor box made of hairline stainless steel;
Cardboard template
NB Micra 100 white Outdoor box (white)
NB Micra 100 chrome Hairline stainless steel outdoor box
NE Micra 100 Heater to prevent condensate freezing in the drain pipe and the outdoor box
SF 193x158x18 G4 PPI G4 filter
SF 193x158x47 F8 F8 filter
SF 193x158x47 F8 C F8 carbon filter
SF 193x158x47 H13 H13 HEPA filter
HR-S HR-S humidity sensor
CO2-1 СО2 sensor with air quality indication and On/Off button
CO2-2 CO2 sens


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