Ventilation Units

Deekax ventilation units are an essential part of a functional and energy-efficient ventilation system. Our extensive product range enables the right solution for all types of construction projects—from residential to commercial spaces.

All our ventilation units are designed to withstand Nordic conditions.

Correspondence Table

The product names of our ventilation units have been updated to better reflect the current range and technical features. To make it as easy as possible to compare old and new product names, the table below lists the previous product names and their corresponding new names.

Use this table to quickly find the right product for maintenance, spare parts, or design needs.

Former product name

  • DIVK-C 91 CD/CDRH
  • DIVK-C 96 CD/CDRH
  • DIVK-C 99 CD/CDRH
  • DIVK-290 DEMA
  • DIVK-C 140 DEMA / -VKL
  • DIVK-C 220 DEMA / -VKL
  • DIVK-C 330 DEMA / -VKL
  • DIVK-C 550 DEMA / -VKL

New product name

  • Deekax 91 /-RH
  • Deekax 96 /-RH
  • Deekax 99 /-RH
  • Deekax 290 /-RH
  • Deekax 140 /-VKL /-VAK
  • Deekax 220 /-VKL /-VAK
  • Deekax 330 /-VKL /-VAK
  • Deekax 550 /-VKL /-VAK

Controller

  • Accessory
  • Accessory
  • Accessory
  • Included in package
  • Included in package
  • Included in package
  • Included in package
  • Included in package

VKL = water-circulated post-heating
VAK = terminal block model
RH = integrated humidity control

Ventilation Units for Homes

Deekax ventilation units suitable for homes ensure fresh and healthy indoor air by removing moisture and impurities and replacing them with filtered, clean outdoor air.

Modern ventilation units are energy-efficient, quiet, and easy to use, enhancing living comfort year-round.

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Deekax 99

Apartments up to 150/170 m2

  • 498 x 592 x 578 mm
  • max. supply air 125 mm 98 l/s
    160 mm 111 l/s
  • max. exhaust air 125 mm 106 l/s
    160 mm 124 l/s
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Deekax 91

Apartments up to 130 m2

  • 495 x 558 x 525 mm
  • max. supply air 69 l/s
  • max. exhaust air 75 l/s
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Deekax 96

Apartments up to 130 m2

  • 495 x 558 x 525 mm
  • max. supply air 86 l/s
  • max. exhaust air 91 l/s

Ventilation Units for Renovation Projects

Replacing the ventilation unit during apartment renovations improves both living comfort and energy efficiency.

A modern unit is installed in place of old ducts and devices, effectively filtering outdoor air and utilizing exhaust air heat through heat recovery.

This ensures adequate air circulation, prevents moisture problems, and improves the overall indoor air quality of the apartment for the long term.

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Deekax 99 + ADAPTER

Apartments up to 150 m2

  • 610 x 592 x 578 mm
  • max. supply air 86 l/s
  • max. exhaust air 108 l/s
  • For renovation projects
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Deekax 290

Apartments up to 150 m2

  • 435 x 585 x 460 mm
  • max. supply air 87 l/s
  • max. exhaust air 104 l/s
  • For renovation projects

Ventilation Units for Commercial Spaces

Ventilation units for commercial spaces ensure a healthy and comfortable working environment. They remove indoor air impurities such as dust and odors and replace them with filtered, fresh outdoor air.

Modern systems offer energy-efficient heat recovery, quiet operation, and the ability to control ventilation based on usage levels. A well-designed and maintained ventilation unit enhances workplace well-being and supports the efficient use of commercial spaces.

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Deekax 550

Commercial spaces up to 750 m2

  • 1406 x 1340 x 791 mm
  • max. supply air 540 l/s
  • max. exhaust air 570 l/s
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Deekax 140

Commercial spaces up to 200 m2

  • 950 x 900 x 510 mm
  • max. supply air 138 l/s
  • max. exhaust air 140 l/s
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Deekax 220

Commercial spaces up to 300 m2

  • 950 x 1100 x 510 mm
  • max. supply air 222 l/s
  • max. exhaust air 231 l/s
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Deekax 330

Commercial spaces up to 460 m2

  • 1110 x 1160 x 672 mm
  • max. supply air 314 l/s
  • max. exhaust air 348 l/s

Didn’t find the documentation you were looking for?

We have a comprehensive archive of Deekax product materials dating back to 1986. User manuals and maintenance guides for older and discontinued models are available on our archive page.

Go to archive →

6 Reasons to Choose Deekax Ventilation Units

Integrated Humidity and CO₂ Control

The intelligent control system adapts airflow based on humidity and carbon dioxide levels.

Operational Reliability in Cold Conditions

The electric pre- and post-heater ensure reliable operation even in freezing temperatures while maintaining energy efficiency.

Versatile Control Options

Devices can be controlled via a controller, range hood, home automation, or cloud service.

Connectivity to Home Automation

Devices are available with their own automation (package unit) or as a VAK model (terminal block model).

Advanced Constant Airflow and Pressure Solution

Intelligent automation compensates for pressure fluctuations and other exceptional situations.

Five-Year Full Warranty

The five-year full warranty is a promise of high quality.