13,500 BTU vs 15,000 BTU second AC
Long story short, I bought a new 5th wheel and paid to have a second AC installed. The ducts run from the bunk house to the front bedroom and I specified a 15,000 BTU connected to the existing duct wo...
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Running THREE 15K units 150' from the Caribbean in Quintana Roo, I learned a few things. If I restarted all three from an ambient temperature of say 90F and humidity of 70% one-then-two-then-all would freeze up.
If I started one, circulated air throughout the 40' bus, let the unit extract water (the temperature only dropped a couple degrees during the first half hour) the single unit would dump several gallons of condensate into the bucket. When the humidity dropped to 50% I started the 2nd AC the temperature AND the humidity would fall. At 45% R/H I started the 3rd AC and had no condenser freeze up at all. When I felt like drying the rig out, when all three units were running I started up a 30 pint dehumidifier. Thank goodness the cabinets and furniture were teak. At night when the temperature dipped I left the dehumidifier run. My Mayan neighbors were astonished. The children would fairly dance with glee beneath the outlets. It was so humid in the summer, clothes would not dry well. Used a bath towel outside and three days later it would still be as damp as when I had used it. Those were the days! Fifteen cents per gallon almost-#3-diesel-fuel!
If I started one, circulated air throughout the 40' bus, let the unit extract water (the temperature only dropped a couple degrees during the first half hour) the single unit would dump several gallons of condensate into the bucket. When the humidity dropped to 50% I started the 2nd AC the temperature AND the humidity would fall. At 45% R/H I started the 3rd AC and had no condenser freeze up at all. When I felt like drying the rig out, when all three units were running I started up a 30 pint dehumidifier. Thank goodness the cabinets and furniture were teak. At night when the temperature dipped I left the dehumidifier run. My Mayan neighbors were astonished. The children would fairly dance with glee beneath the outlets. It was so humid in the summer, clothes would not dry well. Used a bath towel outside and three days later it would still be as damp as when I had used it. Those were the days! Fifteen cents per gallon almost-#3-diesel-fuel!
