Description
Description
Model: MCAESHS4T2421AA
Signature 2 Ton up to 14.3 SEER2 24,000 BTU Split System Heat Pump
The MRCOOL® Signature Series 24k Heat Pump Condenser is a high-efficiency, all-season solution designed to keep your home comfortable year-round. With a 14.3 SEER2 and 11.7 EER2 rating, it offers dependable climate control and energy savings, making it a smart replacement or upgrade for any home. Pre-charged with R-454B refrigerant, this unit meets today’s environmental standards while delivering reliable performance. Its pre-charged design also speeds up installation and lowers labor costs. At the heart of the system is a durable single-speed scroll compressor, supported by inner-groove copper tubing for improved heat transfer and fast response. This unit includes temperature and pressure sensors and an intelligent defrost function for reliable performance in extreme weather. It operates quietly at just 60 decibels, with a sound-dampening top ideal for use in residential settings. Built to last, it features a louvered coil guard and wire fan discharge grille for extra protection. Service-friendly features include sweat connection valves and an accessible gauge port, while its compact frame allows for flexible placement. Homeowners also benefit from a 10-year limited parts warranty and a limited lifetime compressor warranty. For comfort, efficiency, and durability, the MRCOOL® Signature Series 24k Heat Pump delivers 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 | 1950 |
| Tonnage | 2 |
| Cooling Capacity (BTU) | 22000 |
| Heating Capacity (BTU) | 22000 |
| Voltage (V) | 208/230 |
| Phase | 1 |
| Cycle (Hz) | 60 |
| Max Fuse Breaker (A) | 20 |
| Min Circuit Ampacity (A) | 15.2 |
| Refrigerant Type | R-454B |
| Refrigerant Volume (oz) | 91.7 |
| Decibel Rating (dBA) | 60 |
| Min Ambient Cool (°F) | 59 |
| Min Ambient Heat (°F) | 5 |
| Color | Grey |
| Net Depth (in) | 23.6 |
| Net Height (in) | 25 |
| Net Width (in) | 23.6 |
| Net Weight | 144 |
| Gross Weight (lbs) | 151 |
| 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 MCAESHS4T2421AA 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 MCAESHS4T2421AA 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 MCAESHS4T2421AA?
2 Ton / 22000 cooling / 22000 heating. Use a proper load calculation to select the correct size for your space.
Which series does MCAESHS4T2421AA belong to?
Signature Series Heat Pump Condenser. Confirm the system series when selecting matching components (indoor, outdoor, controls, accessories).
