A strong choice for ducted rigs that want 18,000 BTU of cooling on the current of a smaller unit.
Amazon $1,239
For owners who want the most cooling from one roof opening with variable speed comfort and gentler starts on a generator.
- 18,000 BTUCooling
- NoHeat
Price checked November 2, 2026. As an Amazon Associate we earn from qualifying purchases.
- Variable speed compressor ramps down once the RV is cool, cutting cycling and power use
- Built-in soft start for generator and low amp hookups
- 68 lb, much lighter than other Coleman-Mach units
- Highest rated capacity in the Coleman-Mach range
- Needs its own Everest ceiling assembly and thermostat, sold separately
- New design with little track record
How it scores
The rating comes from 5 measured or published factors, each scored 0-100 against fixed reference points for its size. How we rank explains each one.
Specifications
| Model number | 2111-00471 |
|---|---|
| Cooling and power | |
| Cooling capacity | 18,000 BTU |
| Heat | No |
| Soft start built in | Yes |
| Inverter compressor | Yes |
| Install | |
| Ceiling setup | Ducted or non-ducted |
| Ceiling assembly included | No |
| Height above roof | 12.6 in |
| Weight | 68 lb |
| Noise and warranty | |
| Warranty | 2 years |
Alternatives in this size
For ducted RVs that want strong cooling plus electric heat from one rooftop unit, at a price close to the cool only model.
Amazon $1,379The default big rooftop unit for a fifth wheel or motorhome that needs the most cooling a single 14 in opening can take.
Amazon $1,015.06Compare
Compare the Coleman-Mach Everest VS-18 with any other RV air conditioner →
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