RecPro 13.5K RP-AC3501
A low-cost, complete 13,500 BTU cool-only unit for travel trailers that run on hookups.
Amazon $959.95$959.95
The RecPro 13.5K RP-AC3501 and the Coleman-Mach 3 Plus 13,500 BTU are evenly matched, rated 3.8 and 3.7. The RecPro 13.5K RP-AC3501 leads on efficiency. The Coleman-Mach 3 Plus 13,500 BTU wins on value. The Coleman-Mach 3 Plus 13,500 BTU costs $107.66 less ($852.29 vs $959.95).
Coleman-Mach 3 Plus 13,500 BTU
A low cost 13,500 BTU replacement for a travel trailer or one zone of a larger RV, from the brand with the widest service network.
Amazon $852.29$852.29
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.
Which should you buy?
- Choose the RecPro 13.5K RP-AC3501 for efficiency (12 A running, 0.9 A per 1,000 BTU vs 12.8 A running, 0.9 A per 1,000 BTU).
- Choose the Coleman-Mach 3 Plus 13,500 BTU for value ($63.13 per 1,000 BTU ($852.29, 13,500 BTU) vs $71.11 per 1,000 BTU ($959.95, 13,500 BTU)).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every 12,000 to 14,000 BTU RV air conditioner; a clear win is highlighted. How we rank explains each one.
| Factor weight | RecPro 13.5K RP-AC3501 | Coleman-Mach 3 Plus 13,500 BTU |
|---|---|---|
| Overall rating | 3.8/5 | 3.7/5 |
| Value 30% | 80 $71.11 per 1,000 BTU ($959.95, 13,500 BTU) | 94 $63.13 per 1,000 BTU ($852.29, 13,500 BTU) |
| Efficiency 20% | 66 12 A running, 0.9 A per 1,000 BTU | 55 12.8 A running, 0.9 A per 1,000 BTU |
| Starting current 15% | 50 starting current not published (neutral score used) | 50 starting current not published (neutral score used) |
| Noise 10% | 76 59.7 dBA rated inside | 50 noise rating not published (neutral score used) |
| Warranty 25% | 50 2-year warranty | 50 2-year warranty |
Specifications
| RecPro 13.5K RP-AC3501 | Coleman-Mach 3 Plus 13,500 BTU | |
|---|---|---|
| Cooling and power | ||
| Cooling capacity | 13,500 BTU | 13,500 BTU |
| Heat | No | Heat strip |
| Running current | 12 A | 12.8 A |
| Soft start built in | No | No |
| Inverter compressor | No | No |
| Install | ||
| Ceiling setup | Ducted or non-ducted | Ducted or non-ducted |
| Ceiling assembly included | Yes | No |
| Height above roof | 13.7 in | 13.8 in |
| Weight | 73.7 lb | 79.5 lb |
| App or remote monitoring | No | No |
| Noise and warranty | ||
| Noise | 59.7 dBA | - |
| Warranty | 2 years | 2 years |