A rooftop unit under 12,000 BTU suits camper vans, teardrops, pop-ups and trailers under about 20 ft. It draws the least current of any size, so it’s the easiest to run on a 2,000 W inverter generator or a 15 A hookup, and the lightest load on a small roof.
Prices were last checked November 2, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Full ranking 4
- Coleman-Mach 8 Cub Plus 9,200 BTU#1 of 4Full review
For small trailers and campers on limited power that still want a full rooftop unit with Coleman-Mach support.
Amazon $1,174.99 Camping World $1,108.97$1,108.979,200 BTU8.9 A- - RecPro 9.5K Low Profile RP-AC2801#2 of 4Full review
A small, light low-profile unit for teardrops, vans and small trailers where weight and height matter more than cost.
Amazon $1,159.95$1,159.959,500 BTU12.6 A54.7 dBA - Dometic FreshJet 5 High Efficiency#3 of 4Full review
For small trailers and vans on 15 A or generator power that want a low profile; it trades capacity for a lower current draw.
Camping World $1,294.99$1,294.9911,000 BTU10.8 A59 dBA - Dometic Penguin II High Efficiency Discontinued#4 of 4Full review
For a small trailer or van on limited power that wants a low profile at the lowest price, while stock lasts.
Amazon $899$89911,000 BTU14.1 A-