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  1. PurplePenguin

    Evaporative Coolers?

    Yep they are not very efficient. Normally we leave the skirts off for this very reason. But as a practice they are suposed to be on. Thank you everyone for your reply. I think we are going to add two box fans. One to the front and one to the rear (push & pull) to get some air flowing threw...
  2. PurplePenguin

    Evaporative Coolers?

    My question goes towards making a A/C unit pump out more or colder air on a hot day.. Could you direct a Evaporative Coolers output to a A/C units condenser unit to make the A/C produce colder air? Again.. I have a few Semi-Truck trailers.. They have 3 3-ton A/C units with the Condenser...
  3. PurplePenguin

    Measure Heat Generated?

    I just wanted to double check this formula with you guys.. I have 108 Fluorescent Lights that run at 18 Watts... I want to figure out BTUh. So the formula would look something like.. 18/110 = 0.16 amp draw of each light 18/.2930711 = 61.42 BTUh for each light Is that correct.. because that...
  4. PurplePenguin

    BTU usage on a Semi-Trailer?

    Would this have to be done overnight or could it be done in a matter of hours.. I'm here in College Station, Tx ~ in the middle of Houston, Auston, & D/FW. Could you define "delta T" and the conversion constrants? I could easily put a known amount of heat in the inside of the trailer but if...
  5. PurplePenguin

    BTU usage on a Semi-Trailer?

    The job I work at has some Semi-Truck trailers that can be deployed and used as temporary office/computer rooms in Disaster/Rental Situations. What I am tasked with doing is finding out how much of our current A/C units is being used just to cool our trailers that way I can take the BTUh left...

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