Phalaenopsis Hybriden grow pretty well in Office-Spaces. The low in the temps at night (I assume only during winter, right?) would help to induce blooming in some of them, however 10°C is pretty low, and you should be carefull to avoid having them too wet duringthis time. Adding a lamp for additional light would be advisable, in case you do not have a window where the plant could be placed to receive more light.
Air-flow can be solved with a small fan, but in my experience is not a must for an Office-Phalaenopsis in most cases (you need to check how your plant would deal without it!)
You will only need to keep in mind that tehse conditions are not optimal, and depending on light available, you will have it hard to get the plant to rebloom again. However you can bring it home when not in bloom and give itbetter conditions. Once it re-bloom, mve it back to the office. A good trick, is to have 3 or 4 different hybrids, which bloom at different times of the year, and have only the blooming one in the office: this way you have flowers the whole year.
Dendrobium Hybrids (Phalaenopsis type) also grow pretty well in offices, but need more light in order to bloom. Most people at my wrok who have these Dendrobium in tehir offices, do not succeed re-blooming them!
All what I have commented above is based on my experience at work, with conditions similar to yours (including night temps!). A lot of people at my work keep Phalaenopsis in their offices (includingmyself) and they grow and bloom without much troubbles. Of course you will most probably never get a spike with 30 flowers, but you will have some flowers...
now that I remember, Phal equestris works also pretty well under this conditions. Two colleagues have Phal, equestris in their offices.
VERY IMPORTANT: the plants should NOT sit on top or above a heating system.
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