The MRCOOL Signature Series 42K BTU (3.5 Ton) split system pairs a Cooling Only Condenser with a Multi-Position Air Handler, rated 14.3 SEER2 and 11.7 EER2 for dependable, energy-efficient cooling.
Highlights
- 14.3 SEER2 / 11.7 EER2 rating supports consistent comfort while helping control energy consumption
- Pre-charged with environmentally friendly R-454B refrigerant
- Durable scroll compressor with inner-groove copper tubing for efficient heat transfer
- Quiet 65-decibel operation, comparable to a household dishwasher, with a sound-dampening top
- Multi-position air handler installs upflow, downflow, or horizontal to fit a range of home layouts
- Compatible with most third-party smart thermostats
Specs & Features
| Cooling Capacity |
42,000 BTU (3.5 Ton) |
| Efficiency |
14.3 SEER2 / 11.7 EER2 |
| Refrigerant |
R-454B, factory pre-charged |
| Compressor |
Scroll compressor |
| Condenser Sound Level |
65 dB |
| Condenser Protection |
Steel louver coil guard, wire fan discharge grille |
| Air Handler Type |
Multi-Position (upflow, downflow, horizontal) |
| Air Handler Cabinet |
Galvanized steel |
| Blower Motor |
High-efficiency ECM |
| Coils |
Copper "A" coils with enhanced aluminum fins |
| Parts Warranty |
10-year limited |
| Compressor Warranty |
Limited lifetime |
| Model Number |
M42C21AA4T4221AC |
- Sweat connection service valves and an easy-access gauge port for streamlined installation and maintenance
- Built-in air filter rack for convenient maintenance
- Optional electric heat kit available
- Internal thermal insulation reduces energy loss and condensation
Details
Avermont Direct is an authorized MRCOOL dealer. This 42K BTU (3.5 Ton) cooling-only split system combines the Signature Series condenser and multi-position air handler for whole-home or zone cooling in new construction, replacement projects, or system upgrades. The condenser and air handler are each backed by a 10-year limited parts warranty, with a limited lifetime compressor warranty on the condenser. Professional installation is required.
Need Help?
If you have questions about this product before you order, our team is happy to help.
Email: support@avermontdirect.com
Phone: +1 (844) 455-3695
Hours: Monday–Friday, 9AM–5PM
Live Chat: Available 24/7
