Furrion Chill Cube 18K Ducted
A strong choice for ducted rigs that want 18,000 BTU of cooling on the current of a smaller unit.
Amazon $1,239$1,239
The Furrion Chill Cube 18K Ducted is the better RV air conditioner overall, rated 3.8 to 3.5. The Furrion Chill Cube 18K Ducted costs $18.26 less ($1,239 vs $1,257.26).
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
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.
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every over 14,000 BTU RV air conditioner; a clear win is highlighted. How we rank explains each one.
| Factor weight | Furrion Chill Cube 18K Ducted | Coleman-Mach Everest VS-18 |
|---|---|---|
| Overall rating | 3.8/5 | 3.5/5 |
| Value 30% | 63 $68.83 per 1,000 BTU ($1,239, 18,000 BTU) | 62 $69.85 per 1,000 BTU ($1,257.26, 18,000 BTU) |
| Efficiency 20% | 100 11.6 A running, 0.6 A per 1,000 BTU | 50 running amps not published (neutral score used) |
| Starting current 15% | 70 built-in soft start, starting current not published | 70 built-in soft start, starting current not published |
| Noise 10% | 50 noise rating not published (neutral score used) | 50 noise rating not published (neutral score used) |
| Warranty 25% | 50 2-year warranty | 50 2-year warranty |
Specifications
| Furrion Chill Cube 18K Ducted | Coleman-Mach Everest VS-18 | |
|---|---|---|
| Cooling and power | ||
| Cooling capacity | 18,000 BTU | 18,000 BTU |
| Heat | No | No |
| Running current | 11.6 A | - |
| Soft start built in | Yes | Yes |
| Inverter compressor | Yes | Yes |
| Install | ||
| Ceiling setup | Ducted | Ducted or non-ducted |
| Ceiling assembly included | No | No |
| Height above roof | 14.5 in | 12.6 in |
| Weight | 72.4 lb | 68 lb |
| Noise and warranty | ||
| Warranty | 2 years | 2 years |
| Released | 2025-01 | - |