Description
Description
Model: MCAESHS4T3621AA
Signature 3 Ton up to 14.3 SEER2 36,000 BTU Split System Heat Pump
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.
Works With
Signature Series Multi-Position or Stud Mount Air Handlers
Extra Information
| SEER2 | 14.3 |
|---|---|
| EER2 | 11.7 |
| HSPF2 | 7.5 |
| CFM | 2750 |
| Tonnage | 3 |
| Cooling Capacity (BTU) | 33000 |
| Heating Capacity (BTU) | 33000 |
| Voltage (V) | 208/230 |
| Phase | 1 |
| Cycle (Hz) | 60 |
| Max Fuse Breaker (A) | 30 |
| Min Circuit Ampacity (A) | 22.2 |
| Refrigerant Type | R-454B |
| Refrigerant Volume (oz) | 102.3 |
| Decibel Rating (dBA) | 63 |
| Min Ambient Cool (°F) | 59 |
| Min Ambient Heat (°F) | 5 |
| Color | Grey |
| Net Depth (in) | 29.14 |
| Net Height (in) | 25 |
| Net Width (in) | 29.14 |
| Net Weight | 173 |
| Gross Weight (lbs) | 182 |
| Base Warranty | 10 Year Parts, Limited Lifetime Compressor Warranty |
Compatibility & Refrigerant
Verify match before ordering: Indoor and outdoor units must be designed for the same refrigerant generation. If replacing only one component, have an EPA-certified HVAC technician confirm compatibility before installation.
Important Notices
- Images are illustrative only; included accessories may vary by model.
- Availability, specifications, rebates, and pricing can change without notice.
Notices
- Image may not depict actual product color, inclusions, or accessories.
- Availability and substitutions are not guaranteed.
- Handling time: 3–5 business days.
Need Help Before Ordering?
Send us your model numbers (indoor + outdoor) and we’ll help verify compatibility before you purchase.
Frequently Asked Questions
Does MCAESHS4T3621AA require a specific refrigerant type?
Yes. This model is designed for R-454B. Always match indoor/outdoor components to the same refrigerant generation before installation.
What electrical requirements does MCAESHS4T3621AA use?
Check your jobsite power and breaker sizing before ordering. This model lists 208/230 / 1 Phase in the published specifications (verify local code requirements).
What capacity is MCAESHS4T3621AA?
3 Ton / 33000 cooling / 33000 heating. Use a proper load calculation to select the correct size for your space.
Which series does MCAESHS4T3621AA belong to?
Signature Series Heat Pump Condenser. Confirm the system series when selecting matching components (indoor, outdoor, controls, accessories).
