Mitsubishi Lossnay LGH-15RVX‑E Heat Recovery Unit

Mitsubishi Lossnay LGH-15RVX-E Heat Recovery Unit
Mitsubishi Lossnay LGH-15RVX-E Heat Recovery Unit
Mitsubishi Lossnay LGH-15RVX-E Heat Recovery Unit
Mitsubishi Lossnay LGH-15RVX-E Heat Recovery Unit
Mitsubishi Lossnay LGH-15RVX-E Heat Recovery Unit

Mitsubishi Lossnay Heat Recovery Units, in our opinion simply the best Heat Recovery Ventilator on the market from Mitsubishi one of the biggest brands in the world.

If you want Heat Recovery, you want the Mitsubishi Lossnay LGH-RVX‑E range of units which are ideal for any commercial and Domestic use*

The Mitsubishi Lossnay LGH-RVX‑E range of units are driven by DC motors meaning SFP levels are below the building regulation limit of 1.7 W/(L/S), what does this mean, well it means energy saving and reduced carbon emissions

The Lossnay core (the part of the unit that transfers the recovers the heat) technology enables heat and humidity via Sensible and Latent Heat Recovery transfer this ensures maximum comfort and eliminates the big swings of humidity common with Sensible only Heat Recovery in the rooms leaving the rooms comfortable, this technology is not used by all heat recovery units. We would suggest you check the published Humidity levels of the recovered heat on Sensible only Heat Recovery Units 

The lossnay is complemented by controls, designed to make the Lossnay Heat Recovery units usable 12 months of the year.

What does that actually mean, well it means in winter the unit will recover otherwise lost heat and in summer will enable bypass (no heat is recovered) which introduces much needed cool oxygen filled air into the room.

What are the benefits of Heat Recovery?

You can recover heat that would otherwise be lost and you can introduce fresh oxygen enriched air back in. Remember those longs days at school, feeling a little tired in the afternoon, well that may have been the lack of oxygen in the room, Heat Recovery units give you that much needed afternoon boost, so at least if you do feel drowsy in the afternoon it must be the content of the lesson not the air

*When using the Lossnay in high humidity conditions such as heated indoor pools, shower rooms, mushroom cultivation houses, high-fog areas etc., moisture could condense inside the core, and drainage will occur. Lossnay units that use treated paper cannot be installed in those types of environments. For Domestic Bathrooms with no shower the Lossnay unit can be used and for Domestic bathrooms with showers we would suggest a **stand alone Extract system is added in the shower area with the heat recovery grille fitted far enough away to ensure the unit doesn’t pick up too much moist air. 

** In most cases a Heat Recovery Unit will not extract sufficient air in a Bathroom or Shower room and we would always recommend the addition of a standalone Extract Fan. We would also suggest the addition of a standalone Cooker hood in the Kitchen, a heavy use Kitchen could have the same issue of insufficient of Extracted air form a Heat Recovery unit alone 

If the paper can recover humidity, will it not become wet?

It is similar to the phenomenon during heating in winter where the window pane is wet but the paper blinds are dry — humidity is transferred through the paper membrane.


  • LGH-15RVX‑E
  • LGH-25RVX‑E
  • LGH-35RVX‑E
  • LGH-50RVX‑E
  • LGH-65RVX‑E
  • LGH-80RVX‑E
  • LGH-100RVX‑E
  • LGH-150RVX‑E
  • LGH-200RVX‑E
  • LGH-150RVXT‑E
  • LGH-200RVXT‑E
  • LGH-250RVXT‑E
  • PZ62-DR‑E

The above unit has been replaced with an LGH-15RVX3‑E and will be supplied as the latest model 

LGH-15RVX-E technical detail
lgh 15 drawing
LGH-15RVX-E wiring diagram
Prices & Options
Code & Description Price  
LGH-15-RVX-E : Mitsubishi Lossnay LGH-15RVX-E Heat Recovery Unit £679.06 + VAT £814.87
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