Second AC worth it?

YES... YES...YES... With a 35' trailer.. as long as it's wired for it and 50amp you will love having it.

Yes, we have said many times when traveling we needed a second air. That is on our list if we replace our current rig.
Remeber that you need 50 amp shore power. It may or may not be included without extra cost.

Many times I wish that I had a third.

In the Summer in Nebraska? Oh yes.

Oboy,just bought a new 29ft trailer wired for 2nd AC and 50 amp.....gonna wait. Lol

come aug 5th when its 99deg in the shade yes. $1100 sounds a bit high.

I agree that 1100 is a bit high but if you park in the sun I’d opt to get it.

Our 15K main A/C will normally keep our 34’ 5er cool even if 100 degrees or higher. BUT. After a long travel day in hot temps we use our 2nd A/C to cool the trailer quicker before bedtime. Then turn it off before bedtime. Before we added the 2nd A/C the main A/C did not always get the temp down to a comfortable level before bedtime on really hot days.

As stated above, YES!. My previous travel trailer was 33ft. long and only had one. Current one is 35ft. and has two. Complete game changer during the summer. I've never heard anyone complain about having too much A/C in their camper, but plenty have complained about not having enough.

I have a 35' TT and haven't even been in big heat yet but is so worth it.
I also upgraded the main AC to 15K. I've only been in temps of about 95 but the main AC keeps up good. The second AC is great for extra cool-down power.