STIEBEL ELTRON ventilation range
Heat recovery ventilation, matched to the building.
The STIEBEL ELTRON heat recovery ventilation range — from compact apartment units to commercial classroom systems — supplied by Air Theory with project-specific quotation and optional design support.
Whole-home systems
Central heat recovery for houses.
Ducted systems that supply filtered fresh air to living areas and extract from wet areas, recovering heat as they go.

LWZ 180 / LWZ 280
Proven central unit with integral controller; Passive House Institute certified (manufacturer statement).
| Airflow | 60–250 / 60–350 m³/h |
| Heat recovery | Up to 94% |
| Duct connection | 160 mm |

VRC-W 450 / VRC-W 600
Wall-mounted, high-airflow unit with electric preheater and WiFi.
| Airflow | 110–450 / 150–600 m³/h |
| Heat provision | Up to 89.7% / 87.6% |
| Duct connection | 180 mm |

VRC-C 450 Trend
Ceiling-mounted unit with demand control and summer bypass.
| Airflow | 100–450 m³/h |
| Max. heat recovery | 90% |
| Ext. pressure at max flow | 200 Pa |
Apartments & compact spaces
Compact units for smaller dwellings.

LWZ 70 E
Compact indoor unit developed for apartments.
| Airflow | 50–180 m³/h |
| Heat recovery | Up to 90% |
| Duct connection | 125 mm |

VCR 180 MC
Compact ceiling unit for homes and apartments up to approx. 130 m².
| Airflow | 50–180 m³/h |
| Heat recovery | Up to 87% |
| Sound power | 33 dB(A) |
Decentralised & commercial
Room-by-room and commercial ventilation.

VLR 70 S / VLR 70 L
Through-wall pairs for retrofit, apartments and small commercial spaces.
| Airflow | 10–70 m³/h per unit |
| Heat recovery | Up to 92% |
| Wall thickness | 100–300 / 300–550 mm |

VRL-C G Premium
Ceiling-mounted units for classrooms, childcare, offices and restaurants.
| Airflow | 100–300 / 300–870 m³/h |
| Heat recovery | Up to 92% |
| Duct connection | 200 / 315 mm |
Compare
The range at a glance.
Figures from STIEBEL ELTRON Australia product pages, checked 5 November 2026. Published maximum figures are not installed performance.
| Model | Type | Airflow (m³/h) | Heat recovery |
| LWZ 70 E | Compact central | 50–180 | Up to 90% |
| VCR 180 MC | Compact central, ceiling | 50–180 | Up to 87% |
| LWZ 180 | Central | 60–250 | Up to 94% |
| LWZ 280 | Central | 60–350 | Up to 94% |
| VRC-C 450 Trend | Central, ceiling | 100–450 | Up to 90% |
| VRC-W 450 | Central, wall | 110–450 | Up to 89.7% |
| VRC-W 600 | Central, wall | 150–600 | Up to 87.6% |
| VLR 70 S / L | Decentralised, through-wall | 10–70 per unit | Up to 92% |
| VRL-C 300 G Premium | Decentralised, ceiling (commercial) | 100–300 | Up to 92% |
| VRL-C 870 G Premium | Decentralised, ceiling (commercial) | 300–870 | Up to 92% |
Range documents
Brochures, warranty & handover.
Documents open from STIEBEL ELTRON Australia. Model-specific data sheets are on each product page.
How to buy
Trade or project?
Trade & installers
Request pricing, availability and lead times for your project.
Homeowners & designers
Not sure which unit suits the building? Start with ventilation design advice.
Quotation
Ready to price a unit?
Send the model, quantity, delivery postcode and timing.