What is Best RV AC Unit to Replace Dometic Duo Therm
Updated 02/03/2026 | Published 07/10/2024
Question:
I need a replacement for a dometic duo therm AC the model number is 57915.603 what is a good replacement for this model. Thank you
asked by: David R
Expert Reply:
Hey David, so the easiest solution that is very cost effective would be to go with the Advent Air for Dometic Setups part # ACDOM135. This was specifically designed to replace Dometic units so the install is as easy as it can be since the wiring plugs right in and allows you to use your current controls/thermostat.
Now if you were wanting to "treat yo self" the absolute best solution would be the Furrion Chill # FR86SR which is also designed to replace Dometic units. We tested all of the units we carry and we found that the Furrion units are the quietest and also blow the coldest. My parents put one in their camper and really liked it.
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Jameson C.
2/3/2026
Hey David, how did things turn out with the replacement for your Dometic Duo Therm AC? Did you end up going with the Advent Air or the Furrion Chill option? Your update could make it easier for others choosing between those two setups.