Coleman-Mach Everest VS-18
For owners who want the most cooling from one roof opening with variable speed comfort and gentler starts on a generator.
Amazon $1,257.26$1,257.26
3.5/5
A low-priced, complete 15,000 BTU unit for non-ducted trailers on shore power, with an electric heater for cool mornings.
- 15,000 BTUCooling
- 14.2 ARunning current
- Heat stripHeat
Check price at Amazon$799.99
Price checked November 2, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- About $800 for 15,000 BTU with the ceiling assembly included
- Built-in 1,500 W heater takes the chill off without a furnace
- App and remote control
Cons
- Needs a 12 V DC feed as well as 120 V, which complicates swapping out an old unit
- No soft start unless you pay for the -SS version
- Only a 1-year warranty unless you register it
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 | RVAC-FM15H |
|---|---|
| Cooling and power | |
| Cooling capacity | 15,000 BTU |
| Heat | Heat strip |
| Running current | 14.2 A |
| Soft start built in | No |
| Inverter compressor | No |
| Install | |
| Ceiling setup | Non-ducted |
| Ceiling assembly included | Yes |
| Height above roof | 11.8 in |
| Weight | 74.6 lb |
| App or remote monitoring | Yes |
| Noise and warranty | |
| Noise | 52 dBA |
| Warranty | 1 year |
Alternatives in this size
Coleman-Mach 15 15,000 BTU
The default big rooftop unit for a fifth wheel or motorhome that needs the most cooling a single 14 in opening can take.
Amazon $1,015.06$1,015.06
Furrion Chill Cube 18K Heat Pump
For non-ducted trailers that want 18,000 BTU of cooling and heat pump heating in one complete kit.
etrailer $1,521.95$1,521.95
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