STIEBEL ELTRON LWZ 180 / LWZ 280 Heat Recovery Ventilation Systems
SPECIAL ORDER PRODUCT: Please contact us for delivery timeframe.
SYSTEM DESIGN: Request a Ventilation Plan for Your Home
This product requires additional components for installation. A professional design and plan is recommended to ensure it is suitable for your project.
We can provide a FREE ventilation plan, including:
- Total air flow and fan speeds.
- Air volumes in the supply and extract air rooms.
- Spatial representation.
- Your material list.
- Floor plan.
- A description of each component.
- Notes on installation.
- Dimension drawings.
- Energy label.
Please contact us via EMAIL with a copy of your floorplan and your requirements and we will be in touch.
Let customers speak for us
Product Overview
- Centralised ventilation for optimum air quality.
- Heat recovery up to 94%.
- Made in Germany.
- Inbuilt display allows control of the appliance directly from the unit.
- Significantly reduced ventilation noise levels.
- Helps prevent condensation and mould through improved ventilation.
- Air flow rates 60 - 350 m3/h.
- Easy filter change.
- Summer bypass function.
- ERV (Energy Recovery Ventilation) core available for latent energy and humidity management.
- Optional FEB remote control.
Passive House Certified Component
This appliance has been independently tested and certified by the Passive House Institute.
Create a Pleasant Indoor Environment In the Home
Both the LWZ 180 and LWZ 280 heat recovery ventilation units are highly efficient appliances, offering heat recovery levels of up to 94% through an optimised cross-flow heat exchanger. This makes the LWZ 180 and LWZ 280 ventilation units an excellent choice for apartments, houses and small commercial properties.
Product Details
Central ventilation unit with heat recovery for ventilating detached houses and small commercial properties.
Contemporary design with ergonomic programming unit and separate filter cover panel; can be used for detached houses and large apartments. Integral controller with multifunction display and seven-day program; can also be used as a remote control. Highly efficient backwards-curved fans with constant flow rate control. Highly efficient cross-countercurrent heat exchanger. Electric preheater in the form of a high-performance heating coil. Bypass damper in supply airline; integral humidity sensor in the extract airline. Straightforward filter replacement using combi filter cassettes. Fine dust filter available as accessory.
Backwards-curved, constant flow rate fans with flow rate control ensure a balanced air flow, thereby promoting efficient operation.
Installation in dwellings, utility rooms, basement rooms, etc. The air connections are located at the top of the unit; easy access to the electrical connection panel without having to open the unit; duplex sheet steel casing; visible surface in alpine white with powder coated finish.
Technical Data
LWZ 180
LWZ 280
Up to 94 %
Up to 94 %
74 W (Fan Max)
134 W (Fan Max)
230 V
230 V
60 - 250 m3/h
60 - 350 m3/h
ePM10 ≥ 50 % (M5)
ISO Coarse > 60 % (G4)
F7 Optional
ePM10 ≥ 50 % (M5)
ISO Coarse > 60 % (G4)
F7 Optional
160 mm
160 mm
43 dB(A)
48 dB(A)
534 mm
534 mm
690 mm
690 mm
997 mm
997 mm
78 kg
78 kg
What Makes Fresh Ventilation Different
Fresh Ventilation is a family owned and operated business. Our main business has specialised in the installation of premium quality ventilation systems for over 10 years.
Our focus is on premium products and expert advice to create ventilation systems that actually work.
All of our kits include:
Personal installation maps tailored to your home.
One-on-one conversations to help us understand what is going on and recommend how best to solve it.
One-on-one telephone and/or FaceTime conversations to help you with installing your system.
Installation photos and videos outlining best practices and things to avoid.