Quote:
Originally Posted by whzzz28
Now i don't own an observatory, so im sure some others have come across this, but from reading what you've said;
Sounds like your observatory is sweating. As you've deduced, the heat inside the obs is heating up faster than outside which is causing the cold air to drop its moisture as it heats up.
My thoughts are that you need relieve this build up so there is not such a large difference in outside air temp.
I am not sure how you would, but having the fan blowing air out of the obs and having an inlet for air somewhere else (lower is better for inlet, higher better for outlet as heat rises) may reduce or remove condensation. Simply set up a timer to start it at 5:00am (or whenever) and turn off at 8:00am or until outside temperature heats up.
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Thanks Nathan for the suggestions. I will try placing the fan so it is sucking its air from underneath the dome, this air should be a lot cooler. I can't use desiccant because I have a perforated floor, it is not a sealed environment.
I would have thought the warm air would rise and escape out the top of the dome, (there is a small gap at the top ) intern sucking in cooler air from the floor. I was hoping for a natural ventilation system. I thought this would elevate the condensation problem. Like you said maybe I need to force the air out?
Quote:
Originally Posted by Marke
Phil if its well sealed you could get yourself a cheap de-humidifier and put it on a timer if its really bad. I thought of this option if it was needed but so far I have had no condensation at all - touch wood.
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Thanks Mark, that is a great idea but as I said above I have perforated flooring so I don't think it would work. I could put some covering down on the floor to seal it up but it would ruin the natural ventilation effect that I am getting. I would like to have this for summer.
I will have to experiment and see what happens.
I hope you don't have to deal with the problem it is a real pain.
cheers
Phil