MRCOOL
MRCOOL Signature 3 Ton up to 14.3 SEER2 36,000 BTU Split System Heat Pump
MCAESHS4T3621AA
33,000 BTU · 14.3 SEER2 · 208/230V · R-454B
Part of Signature Series – Complete Systems
- Cooling capacity
- 33,000 BTU3 tons
- Efficiency
- 14.3 SEER2
- Power
- 208/230V30A breaker
- Refrigerant
- R-454B
Call for pricing Add it to your cart and send us a quote request — or call 678-467-5515.
Not sure about the size? Use the BTU sizing calculator, or call us and we'll size it with you. Professional installation by a licensed HVAC contractor is required for the manufacturer warranty.
Distributor pricing and stock: call 678-467-5515 or email sales@discountkings.net.
About this product
The MRCOOL® Signature Series 36k Heat Pump Condenser is a dependable, high-efficiency solution designed to provide reliable year-round comfort. With energy performance ratings of 14.3 SEER2 and 11.7 EER2, it delivers consistent heating and cooling while helping reduce energy consumption and utility bills. Whether battling summer heat or winter cold, this unit ensures your home stays comfortable in every season. Factory pre-charged with R-454B refrigerant, this system supports eco-conscious upgrades, while the pre-charged design simplifies installation to save you on time and labor costs. At its core, a single-speed scroll compressor provides dependable operation. Inner-groove copper tubing improves heat transfer, enhancing system responsiveness and efficiency. Built-in temperature and pressure sensors monitor conditions to help prevent system strain, while an intelligent defrost function ensures continued performance in colder climates. Despite its large capacity, the unit operates quietly, just 63 decibels, thanks to a precision-engineered sound-dampening top that minimizes noise without compromising airflow. It’s an ideal solution for noise-sensitive environments. Durability is built in with a steel louver coil guard and wire fan discharge grille designed to provide added protection for internal components, and extend the longevity of the unit. Installation and maintenance are hassle-free with features like sweat connection service valves and an accessible gauge port. Backed by a 10-year limited parts warranty and a limited lifetime compressor warranty, the MRCOOL® Signature Series 36k Heat Pump Condenser offers reliable comfort and long-term value.
Documents & manuals
Specifications
| Type | Complete system — heat pump (heats & cools) |
|---|---|
| Series | Signature Series |
| Cooling capacity | 33,000 BTU |
| Heating capacity | 33,000 BTU |
| Nominal size | 3 tons |
| SEER2 | 14.3 |
| EER2 | 11.7 |
| Heats down to | 5°F outdoor |
| Airflow | 2750 CFM |
| Sound level | 63 dBA |
| Voltage | 208/230V |
|---|---|
| Phase | 1-phase |
| Min. circuit ampacity (MCA) | 22.2 A |
| Max. breaker (MOP) | 30 A |
| Refrigerant | R-454B |
|---|---|
| Factory charge | 102.3 oz |
| Max. line length | 150 ft |
| Liquid line | 3/8" |
| Suction line | 3/4" |
| Dimensions (in) | 29.14 W × 29.14 D × 25 H |
|---|---|
| Weight | 173 lb |
| Shipping weight | 182 lb |
| Color | Grey |
| AHRI certified | Yes |
|---|---|
| Safety listing | UL, ETL |
| Parts warranty | 10 years |
| UPC | 840255595803 |

