Description
Why the MRCOOL 42,000 BTU R410A 14 SEER Single Phase Packaged A/C Only?
The MPC421M414A is a professional-grade MRCOOL Signature Series Packaged Air Conditioner delivering 42,000 BTU of capacity at up to 14 SEER SEER efficiency. Designed for contractors and serious DIYers who need reliable performance, precise comfort control, and straightforward installation in residential and light commercial applications.
Technical Specifications
| Specification | Value |
|---|---|
| Model / SKU | MPC421M414A |
| UPC | 810512032679 |
| Series | Signature Series |
| Product Type | Packaged Air Conditioner |
| Capacity (BTU) | 42,000 |
| Efficiency Rating | 14 SEER |
| Voltage | 208-230V/1Ph/60Hz |
| Refrigerant | R-410A |
| Weight | 235.0 lbs (106.6 kg) |
| Brand | MRCOOL |
Installation & Product Tips
- Install on a level concrete pad or rooftop curb with proper clearances per the installation manual.
- Connect to existing ductwork — no indoor unit is required.
- Size the unit based on Manual J load calculation for your space.
- Ensure the electrical circuit is properly sized for the unit's MCA and MOCP ratings.
- For MPH heat pumps, consider adding a heat kit for supplemental heating in colder climates.
Frequently Asked Questions
Compatible Accessories
- Signature Series Heat Kit
- Smart Wi-Fi Mini Stat
- Risers
Need help selecting the right system?
Contact our HVAC experts at /contact-us/
Contact our HVAC experts at /contact-us/
Warranty Information
MRCOOL Signature Series products are backed by a manufacturer warranty. Register your product within 30 days of installation to activate full warranty coverage. Warranty terms vary by product line — contact MRCOOL directly or visit their registration portal for complete details.
