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Centralised ventilation unit for small apartments Uni

Centralised ventilation unit for small apartments Uni
Centralised ventilation unit for small apartments. Air flow: up to 160 m³/h. Heat recovery efficiency: up to 95 %.
Model features
  • ЕС-Motor
  • For round ducts
  • Air handling units with heat recovery
  • Description
  • Modifications
  • Downloads
  • Automation functions
  • Accessories
  • Efficient centralised ventilation unit for small apartments.
  • Can be installed vertically on the wall, or suspended under the ceilling.
  • Concealed installation is possble due to optional revision door.
  • Clean air due to the use of an ePM1 70% / F7 filter for supply air filtration.
  • Low noise operation from 13 dB(A) at 3 m.
  • Simple installation due to variable location of the spigots.
  • The casing is made of galvanized sheet metal. The unit is heat- and sound-insulated with a 20 mm layer of foam. The service panel is easy to open for filter maintenance.
  • The Uni unit is equipped with a plate counter-flow polystyrene heat exchanger for heat recovery. The unit condensate is collected and drained to the drain pan under the heat exchanger. The Uni E unit is equipped with an enthalpy plate counter-flow heat exchanger for heat and humidity recovery.
  • The air flows are completely separated in the heat exchanger. Thus smells and contaminants are not transferred from the extract air to the supply air.
  • Heat recovery is based on heat and/or humidity transfer through the heat exchanger plates. In the cold season supply air is heated in the heat exchanger by transferring the heat energy of warm and humid extract air to the cold fresh air. Heat recovery minimizes ventilation heat losses and heating costs respectively. In the warm season the heat exchanger performs reverse and intake air is cooled in the heat exchanger by the cool extract air. That reduces operation load on air conditioners and saves electricity.
  • The unit is equipped with four ø125 mm spigots. The position of the spigots can be changed to simplify duct installation.
  • Flanges can be installed in three different directions providing wide range of installation options.
  • The Uni А21 units are equipped with an integrated automation system. The remote control panel is not included in the delivery set (sold separately).
  • The А21 controller allows integrating the unit into the Smart Home system or BMS (Building Management System). Unit control via Wi-Fi using the mobile application Vents AHU.
  • The Uni А14 units are equipped with an integrated automation system and the А14 wall mounted sensor control panel with LED-indication.

Download the
Vents AHU app
for Android

Download the
Vents AHU app
for iOS

  • The units feature high-performance, electronically commutated (EC) external rotor motors with forward curved blades. These state-of-the-art units offer excellent energy efficiency. In addition to that, EC motors combine high performance and optimum control over the entire speed range. EC motors have an excellent power efficiency (up to 90 %).
Modification name
Select document type
  • Advertising and printing products
  • Certificates
  • Technical documentation
"Air handling unit with heat recovery UNI" catalog 2023 (pdf 2.17Mb)
"VENTS Uni" product description 02-2023 (pdf 1.24Mb)
"VENTS Uni (Max)" user's manual 04-2023 (V231EN-01) (pdf 2.57Mb)
Download high quality image "VENTS Uni" (psd 1.02Mb)
Download image "VENTS Uni" for your website (png 191.16Kb)
Automation functions
Automation functions


Uni A21 Uni A14
Unit control via Wi-Fi using a mobile application +
Unit control via a wired remote control panel
A22 control panel (option)
A14 control panel
Unit control via a wireless remote control panel
A22 Wi-Fi control panel (option)
Unit control via a remote wired LCD control panel
A25 control panel (option)
BMS (Building Management System) RS-485
Speed selection + +
Filter replacement indication by filter timer by filter timer
Alarm indication full alarm description in the mobile application +
Week-scheduled operation +
Bypass automatic manual
Timer +
Boost mode +
Fireplace mode +
Freeze protection through cyclic stops of the supply fan through cyclic stops of the supply fan
through preheating (option)
Reheater connection option
Cooler connection option
Minimum supply air temperature control option
Humidity control option option
CO2 control option option
VOC control option option
PM2.5 control option option
Fire alarm sensor connection option

Uni R A14
Uni L A14

Uni ERV R A14
Uni ERV L A14
Uni R A21
Uni L A21
Uni ERV R A21
Uni ERV L A21
Coarse 90% / G4 panel filter SF 233x175x22 Coarse 90% / G4
ePM1 70% / F7 panel filter SF 233x175x22 ePM1 70% / F7
Control panel - A22
 Wireless control panel - A22 Wi-Fi
LCD control panel - A25
Humidity sensor HV2
Humidity sensor HR-S
Humidity sensor - DPWC11200
CO₂ sensor CO2-2
CO₂ sensor with indication CO2-1
CO₂ sensor CO2-3
CO₂ sensor - DPWQ40200
VOC sensor - DPWQ30600
Electric reheater NKD 125 A21 V.2 series
Outer grille MVMA 125 bVn Al
Access doors DMZ21 850х1160
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