Mitsubishi SEZ-AD12NL Slim Duct 12,000 BTU vs Mitsubishi PEAD-AA12NL Concealed Duct 12,000 BTU
vs
Quick take: The Mitsubishi SEZ-AD12NL Slim Duct 12,000 BTU costs $1,043 less; the Mitsubishi PEAD-AA12NL Concealed Duct 12,000 BTU is the more efficient unit (19.7 SEER2).
| Spec | Mitsubishi SEZ-AD12NL Slim Duct 12,000 BTU | Mitsubishi PEAD-AA12NL Concealed Duct 12,000 BTU |
|---|---|---|
| Price | ~$2,747 | ~$3,790 |
| Type | Concealed Duct | Concealed Duct |
| Capacity | 12k BTU | 12k BTU |
| Coverage | ~500 sq ft | ~550 sq ft |
| SEER2 (cooling) | 19 | 19.7 |
| HSPF2 (heating) | 9.6 | 9.7 |
| Low-Ambient Heating | to -4°F | to -4°F |
| Max heat at 5°F (NEEP) | 7,800 BTU | 7,800 BTU |
| Heat kept at 5°F | 65% of rated | 52% of rated |
| Refrigerant | R-454B | R-454B |
| Zones | Single zone | Single zone |
| Voltage | 208/230V | 230V |
| WiFi Control | Built-in | Optional / none |
| Install | Licensed-contractor install for the 10-year registered warranty. The 7-7/8 inch tall body fits a shallow soffit, but needs a return, short low-static ducts and a condensate path. | Licensed-contractor install; the retailer lists a 10-year limited warranty tied to online registration. A ducted unit adds sheet-metal work, a return and a condensate path, so labor runs well above a wall head. The wireless remote is sold separately. |
| Warranty | 5-year parts / 7-year compressor standard; 10 years parts and compressor when installed by a licensed contractor and registered online. | 10 years parts and compressor with a licensed-contractor install and online registration; standard terms are 5-year parts / 7-year compressor. |
Pros & cons
Mitsubishi SEZ-AD12NL Slim Duct 12,000 BTU
- ✓7-7/8 inch height fits shallow soffits
- ✓Wi-Fi is built in, unlike the PEAD-AA12NL
- ✓About $1,000 less than the PEAD-AA12NL system
- ✗Low static pressure limits duct length and room count
- ✗Duct and return work adds to the $2,747 equipment cost
- ✗Standard condenser, so heating is not a Hyper-Heat specification
Mitsubishi PEAD-AA12NL Concealed Duct 12,000 BTU
- ✓Conceals entirely; only grilles show
- ✓15,000 BTU of heating from the condenser
- ✓10-year warranty with registration
- ✗About half its rated heat at 5°F and a -4°F limit are weak for cold climates
- ✗Wi-Fi and the wireless remote are add-ons (remote about $415)
- ✗Duct work makes installed cost much higher than the $3,790 equipment price
- ✗Needs a licensed contractor for the long warranty