Air handling unit FLEXIT Nordic KS3 REL
Compact and efficient air handling unit FLEXIT Nordic KS3 (LEFT) offers a max airflow of 250 m³/h, advanced rotary heat recovery, and high-efficiency ePM1 55% (F7) filters. Ideal for modern homes with seamless integration into kitchen or utility spaces.
Flexit
Flexit is an international company specializing in the development and production of ventilation systems and air handling solutions. They focus on energy-efficient and sustainable products, including systems for ventilation, heat recovery, and air purification, improving indoor air quality in both residential and commercial buildings.
SKU :
800301
Product Description: FLEXIT Nordic KS3 Ventilation Unit
The FLEXIT Nordic KS3 ventilation unit is a compact and highly efficient system designed for modern homes and spaces, focusing on energy efficiency, comfort, and discreet integration. It is the perfect solution for ventilating residential spaces that require high performance and aesthetic harmony.
Key Advantages of FLEXIT Nordic KS3
- Compact Design and Flexible Installation
- The unit can be seamlessly integrated between wall cabinets or hidden behind custom kitchen doors. FLEXIT also offers stylish front panels that allow you to match the unit with your interior design.
- It can be installed above the stove, in a hallway, or in a laundry room, providing versatile installation options.
- Connection to Kitchen Exhaust Hood
- The FLEXIT Nordic KS3 can be directly connected to a kitchen exhaust hood, eliminating the need for separate ventilation systems. This saves space and enhances functionality.
- Quiet Operation
- Featuring advanced fans and a high-quality rotary heat exchanger, the unit operates quietly, ensuring it does not disturb the tranquility of your home.
- Efficient Heat and Cool Recovery
- With excellent heat recovery efficiency and standard cold recovery functionality, the unit maintains optimal indoor climate conditions throughout the year, reducing heating and cooling costs.
- Built-in humidity sensor
- The integrated humidity sensor automatically adjusts ventilation to current conditions, improving comfort and ensuring a healthy indoor environment.
- User-Friendly Control with Flexit GO
- The unit is easily controlled via the Flexit GO app, enabling convenient operation and monitoring. Additional accessories, such as CO₂ sensors or control panels, can be added for enhanced functionality.
- Superior Air Quality
- Equipped with high-performance filters, the FLEXIT Nordic KS3 removes dust, pollen, and other airborne particles, ensuring a cleaner and healthier living environment for all residents.
- Eco-Friendly and Energy-Efficient Design
- Designed with sustainability in mind, the unit features energy-efficient components with low power consumption, reducing its environmental impact and carbon footprint.
- Defrosting Function
- This feature ensures reliable operation even in cold climates, making it ideal for regions with harsh weather conditions.
- Customizable Accessories
- The unit can be paired with various kitchen exhaust hood designs (e.g., Slimline) and stylish front panels, offering a personalized look to suit individual preferences.
This product helps reduce heating costs by saving energy throughout the year. The amount of energy saved depends on the climate:
- Cold climates: Up to 8776 kWh/year
- Average climates: Up to 4486 kWh/year
- Warm climates: Up to 2029 kWh/year
These savings make the product an energy-efficient choice for maintaining a comfortable indoor environment while lowering your energy bills.
Who is FLEXIT Nordic KS3 ideal for?
The FLEXIT Nordic KS3 is the perfect choice for anyone valuing cutting-edge technology, flexibility, and discreet design combined with maximum performance.
Modern households seeking a compact and aesthetically pleasing solution.
Families looking to improve indoor air quality while reducing energy costs.

Specification | Activated After Heater | Deactivated After Heater |
---|---|---|
Rated Voltage | 230 V | 230 V |
Rated Power Total | 679 W | 179 W |
Rated Power el | 500 W |
Category | Specification |
---|---|
Performance | |
Air flow max | 250 m³/h |
Fan speed, max | 6500 r/min |
Power | |
Rated voltage | 230 V |
Frequency | 50 Hz |
Fuse size | 10.0 A |
IP code | IP21 |
Rated power, total | 679 W |
Rated Power Fans | 2 × 85 W |
Rated Power el | 500 W |
Rated Power Rotormotor | 6.0 W |
Material and Color | |
Colour details | White side, galvanized door |
RAL-number | 9003 |
NCS-code | NCS 0502-B50G |
Gloss | 60 |
Gloss | 55 - 65 |
Ventilation | |
Fan type | B-wheel |
Fan motor control | 0-10 V |
Automatic | Flexit GO |
Filter class, supply air | ePM1 55% (F7) |
Filter class, extract air | ePM1 55% (F7) |
Filter type | Compact filter |
Filter dim (bxhxd) | 275 × 96 × 132 mm |
Motor type | EC |
Heat recovery by | |
With internal humidity sensor | Yes |
Installation | |
Position | Heated area |
Dimensions and Weight | |
Width (mm) | 598 mm |
Height (mm) | 631 mm |
Depth (without door) | 297 mm |
Depth (with door) | 318 mm |
Weight | 45.0 kg |
Weight fan | 0.9 kg |
Weight doors | 7.0 kg |
Weight rotormodule | 6.5 kg |
Duct connection (Ø) | 125 mm |
Duct connection (dimension) | |
Kitchen fan connection (Ø) | 125 mm |