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(Energy Matters): MHRV mechanical heat recovery ventilation Vent Axia HR25H seen working in thermal image imaging with handheld IR infrared camera warm outgoing on left cool incoming on right 2 DHD.jpg
D= [Jan 3, 2015]; S=32kB, 240x240; T=JPEG image [MIME:image/jpeg].

Key: D= file date of exhibit; S= size in bytes, XxY pixels, etc; T= type of exhibit; L= location/time or viewpoint of exhibit (if known).

  • mhrv = MRHV, HRV, mechanical heat recovery ventilation, mechanical ventilation with heat recovery, energy-efficient ventilation = Provides controlled ventilation (ie "fresh air"), while recovering and returning most of the heat from the building that would normally be lost with the stale exhaust/expelled air, with typical recovery rates being around 80%, thus allowing 1/5th the heat loss to maintain adequate ventilation over just leaving a window open for example. For cooling, 'coolth' is retained by MHRV instead. Can be automatically triggered/boosted by elevated humdidity or CO2, or occupancy, to further reduce energy consumption when not needed.

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Energy, efficiency, conservation, renewables and related topics.


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