Zehnder ComfoAir 155

Economy MVHR: Zehnder ComfoAir 155

The Zehnder ComfoAir 155 range of MVHR systems is designed to enable better and easier specification of ventilation in new properties for larger developments.

If you need larger quantaties of these MVHR systems, we can offer these at whole sale discounts – give us a try to beat your quote.

These are its key features:

• High heat recovery efficiency.
• Integrated humidity sensor.
• Spigot size: 125mm.
• Left or right hand configuration through software alone, no mechanical alteration required.
• Easy installation to wall, cupboard or kitchen cupboard. Light to handle.
• BMS capability.
• Tool free filter access.
• CommissionSMART™ is a commissioning wizard that enable a quick and simple set-up process.
• SummerSMART™ ensures automatic full by-pass activation providing filtered supply air 365 days a year.
• TimerSMART™ eliminates nuisance noise and over-ventilation by determining the duration of occupancy and allocating a suitable overrun time.
• HumidiSMART™ continuously monitors the humidity level within the home and looks for a man-made spike before boosting the unit, irrespective of distance or dilution.

Unfortunately, there are limitations to their use:

• These systems are not Passive House certified and therefore not suitable for Passivhaus dwellings.
• Not volume-flow constant operation (drop in output as filters degrade)
• G3 or G4 standard dust filters. F7 pollen filters are not available for these units.
• Fans and fan bearings are neither repairable nor exchangeable.
• The systems are fairly noisy. Please do install them in an area where breakout noise is not an issue. Please do not install these in a bedroom cupboard.

Please note that we do not recommend the ComfoAir 185, as – despite its larger size – it performance data are worse than that of the ComfoAir 155 Wm/ Wme.