Indoor Climate Heat Pump FLEXIT EcoNordic WH4
Air handling unit FLEXIT Nordic S7 RER SW
Air handling unit FLEXIT Nordic S7 RER SW
Login to see price
Indoor climate central EcoNordic WH4 XL
Indoor climate central EcoNordic WH4 XL
Login to see price

Indoor Climate Heat Pump FLEXIT EcoNordic WH4

https://www.nestb2b.eu/web/image/product.template/3083/image_1920?unique=1a354f2

EcoNordic WH4 by Flexit: The ultimate all-in-one solution for ventilation, heating, and hot water. With advanced heat recovery, smart home compatibility via Modbus, F7 categhory filters, and eco-friendly CO₂ refrigerant, it ensures energy efficiency, comfort, and sustainability for modern homes.

Login to see price

Not Available For Sale


  • Brand
  • Max. air flow m³/h

This combination does not exist.


Flexit
Flexit

Flexit is an international company with over 50 years of experience, specializing in energy-efficient ventilation and air handling solutions for improving indoor air quality in residential and commercial buildings.


SKU :
800501
100% original guarantee
Return within 30days
Fast delivery

A revolutionary solution for your home

Ventilation that ensures fresh and healthy indoor air all year round. Heating designed for ultimate comfort and efficiency, even in extreme climates. Hot water production integrated seamlessly into a compact, all-in-one system.

Integrated 3-in-1 system

Combines balanced ventilation, efficient heating, and hot water production into one compact solution, saving space and simplifying installation.  

Eco-Friendly & efficient

Utilizes natural CO₂ refrigerant and an advanced rotary heat exchanger, delivering high energy savings while minimizing environmental impact.  

Smart Home compatible

Easily integrates with intelligent home systems via Modbus, allowing centralized control and monitoring for added convenience and automation.  

 


Heat Recovery Unit with Heat Pump EcoNordic WH4 by Flexit

The EcoNordic WH4 by Flexit is an innovative solution for modern homes, combining ventilation, heating, and hot water production into a single compact system. This unit is ideal for households focused on energy efficiency, environmental sustainability, and comfort.

Key Features of EcoNordic WH4:

  • Integrated 3-in-1 System
    • Combines balanced ventilation with heat recovery, a heat pump, and a hot water storage tank.
    • Space-saving and easy installation – all components are contained in a single unit, eliminating the need for an external outdoor unit.
  • Eco-Friendly CO₂ Refrigerant
    • Utilizes natural CO₂ refrigerant with zero global warming potential (GWP 1).
    • An excellent choice for households prioritizing environmental sustainability.
  • High Performance in Nordic Conditions
    • Designed for reliable operation in extreme climates.
    • Provides heating and hot water up to 65°C and functions efficiently in outdoor temperatures as low as -25°C.
  • Advanced Heat Recovery
    • The rotary heat exchanger efficiently recovers heat from exhaust air, reducing energy loss and improving overall system efficiency.
  • Smart Integration with Intelligent Home Systems
    • The unit can be connected to smart home systems via Modbus, allowing seamless integration with other smart devices.
    • This feature enables centralized control and monitoring, enhancing the convenience of home automation.
  • Smart Control with Flexit GO
    • Control the unit remotely via the Flexit GO mobile app.
    • Features include temperature settings, ventilation modes, and access to cloud-based services, including system history and remote support.
  • Compact and Stylish Design
    • Sleek housing integrates all functionalities, eliminating the need for visible ducts or additional technical components.
    • A perfect design for modern home interiors.
  • Energy Efficiency and Cost Savings
    • High efficiency reduces heating and hot water costs, offering a quick return on investment.
  • Modular Construction
    • Designed with modular components for easy handling and installation.
    • All parts are dimensioned to fit through standard doors, ensuring straightforward placement in technical rooms or closets.

Optimal Maintenance

To maintain high air quality, regular filter replacement is essential.

F7-grade filters for the EcoNordic WH4 are available at www.nestfilter.eu

The EcoNordic WH4 is the perfect solution for households seeking an efficient and environmentally friendly way to ensure high indoor air quality while emphasizing energy savings and sustainability. Its compatibility with smart home systems adds an extra layer of convenience, making it an excellent choice for modern living.



 



 
ParameterValue
Rated voltage230 V
Fuse size3x25 A (3x16 A)
Nominal current22.3 A (14.8 A)
Max airflow370 m³/h @ 100 Pa
SFP range (1.5)110 - 319 m³/h @ 100 Pa
Hot water profile (EN 16147)XL
COP hot water (EN 16147)3.21
Compressor outputUp to 4 kW
Thermal efficiency> 90%
SCOP (EN 14825)3.22
Water heater volume197.0 liters
Nominal operating pressure0.45/4.5 MPa/bar
Max operating pressure (hot water)0.7/7 MPa/bar
Water temperature5–65 °C (Legionella: 75 °C)
Clearance from combustible surfacesNo specific requirements
Continuous flow heater capacity3 kW (1 kW)
Total nominal power6.4 kW (4.4 kW)
IP codeIP21
Sound power level52.0 dB(A)
Fan typeB-wheel
AutomationFlexit GO
Filter class, supply airePM1 55% (F7)
Filter class, exhaust airePM1 55% (F7)
Filter typeCompact filter
Filter dimensions (WxHxD)242 x 270 x 95 mm
RefrigerantCO₂ (0.5 kg)
GWP (Global Warming Potential)1
Heat pump pipe connection200 mm
Max operating pressure (heat pump)14/140 MPa/bar
Minimum outdoor temperature-25 °C
Inverter regulationYes
PlacementTechnical room/cabinet
Ambient operating temperature3 - None °C
Width1198 mm
Height1900 mm
Depth650 mm
Weight238.0 kg
Pipe connection (Ø)160 mm
Module weights- Tank module: 71 kg (65 kg without doors)
- Ventilation module: 84 kg (76 kg without doors)
- Heat pump module: 71 kg (65 kg without doors)
- Installation module: 12.0 kg


Brand Flexit
Max. air flow m³/h 370 m3/h @ 100 Pa
121211-01.pdf
Download
BRO_117590EN.pdf
Download
DB_117290EN-04.pdf
Download
Product data sheet EN
Download
Product data sheet EN
Download
USER MANUAL EN
Download
Accessory Products