Underperforming front A/C?
Background, I have a 2018 palomino puma unleashed toy hauler fifth wheel, with dual A/C (351THSS). I took it in almost immediately complaining that the front a/c hardly did anything. They said the...
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smthbros wrote:Chris Bryant wrote:
Another vote for checking ductwork. OEMs are notoriously bad at sealing it.
I wonder how competent they are at duct design? Many have reported on the 20° temperature drop for air through the evaporator. Keep in mind the temperature drop is dependent on the volume of air through the evaporator.
Do you have specifications on air flow for RV air conditioning units?
There are fairly strict specs for duct design. You can find some of them here, an older Briskaire install manual. The problems now are more in implementation, rather than design. They gave the right sized ductwork, the right vents, etc, but for seal anything, and often don't terminate the ducts. A bit of work can pay big dividends.
