The Mitsubishi Electric Lossnay Commercial Ventilation System is an energy-efficient Mechanical Ventilation with Heat Recovery (MVHR) solution designed for modern commercial and public buildings, including offices, schools, hospitals, medical surgeries, hotels, and retail spaces.
Engineered for highly insulated buildings with double-glazed windows and cavity wall insulation, Lossnay units continuously supply clean, fresh air while extracting stale air without heat loss. Powered by the proprietary Hyper Eco Core ultra-thin paper heat exchanger, it enables total heat exchange (both sensible and latent enthalpy) to maintain optimal temperature and indoor humidity levels while reducing overall building heating and cooling costs.
Key Features & Benefits
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Total Heat Recovery: Enables exchange of both sensible and latent heat, maintaining comfortable indoor relative humidity without requiring a condensate drain tray for standard ceiling units.
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Hyper Eco Core: Constructed with one of the thinnest enthalpy paper cores available to maximise heat transfer efficiency.
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Free Cooling / Automatic Bypass: Automatically bypasses the heat exchanger during cooler night hours or mid-season periods to supply cool outdoor air directly into the building.
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Demand Control Ventilation: Optimises fan speeds using optional wall- or duct-mounted sensors (such as the
PZ-70CSW-EorPZ-70CSD-E) via theLossnay-5-FSCinterface. -
System Integration: Fully compatible with Mitsubishi Electric Mr Slim, City Multi VRF, and central controllers (
AE-50E/PZ-62DR-E). -
Dual Barrier Coating: Prevents dust, dirt, and grease accumulation on the fan, preserving long-term airflow and efficiency.
Full Commercial Product List & Specifications
LGH-RVX3-E Standard Ceiling Concealed Range
| Model Code | Airflow Range (m3/h) | Airflow Range (L/s) | Duct Connection Size (mm) | Electrical Supply |
| LGH-15RVX3-E | 38 – 150 | 10 – 42 | 100 | Single Phase (220–240V) |
| LGH-25RVX3-E | 63 – 250 | 17 – 69 | 150 | Single Phase (220–240V) |
| LGH-35RVX3-E | 88 – 350 | 24 – 97 | 150 | Single Phase (220–240V) |
| LGH-50RVX3-E | 125 – 500 | 35 – 139 | 200 | Single Phase (220–240V) |
| LGH-65RVX3-E | 163 – 650 | 45 – 181 | 200 | Single Phase (220–240V) |
| LGH-80RVX3-E | 200 – 800 | 56 – 222 | 250 | Single Phase (220–240V) |
| LGH-100RVX3-E | 250 – 1000 | 69 – 278 | 250 | Single Phase (220–240V) |
| LGH-160RVX3-E | 400 – 1600 | 111 – 444 | 250 | Single Phase (220–240V) |
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