Ventilation, Unit, ComfoAir, 155, CM
Ventilation, Unit, ComfoAir, HR155CM
Mechanical Ventilation with Heat Recovery

ComfoAir 155CM

    The Zehnder ComfoAir 155 CM is a heat recovery unit designed to enable better and easier specification of ventilation in new properties. It contains features such as its automatic true summer by-pass, high heat recovery efficiency and integrated humidity sensor to provide a comfortable, healthy and energy-efficient indoor climate.


    • Left or right hand configuration through software alone, no mechanical alteration required.
    • 100% full and filtered summer bypass.
    • Independently tested sound data.
    • Modern, discreet design.
    • Easy installation to ceilings.
    • Light to handle.
    • BMS capability.
    • Tool free filter access.
    • 100% variable AUX speed for use as away mode, medium speed or purge boost.




    Article no. Model


    ModelArticle no.Declaration of performance
    ComfoAir-155CM-125-SMHT-W-Z1-GB - Zehnder ComfoAir 155 CM for ceiling mounting with SMART technologyCA155CM-GB 2307GBCA155C000.pdf(121 KB)
    ControlEnergy classEnergy label
    Energy Label – Central demand control GB-EU-label_CA155CM-GB_A.pdf(906 KB)
    Energy Label – Manual control GB-EU-label_CA155CM-GB_A.pdf(906 KB)
    Energy Label – Local demand control EU-label_CA155CM-GB_A+.pdf(888 KB)
    Energy Label – Clock control GB-EU-label_CA155CM-GB_A.pdf(906 KB)
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