MRCOOL Signature Series 3 Ton 14.3 SEER2 Air Conditioner Condenser | MCAESAS4T3621AA
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Summary
The MRCOOL® Signature Series 36k Cooling Only Condenser delivers efficient, reliable cooling designed to meet the demands of modern homeowners. With a 14.3 SEER2 and 11.7 EER2 rating, it offers strong energy savings without sacrificing comfort, making it an excellent solution for both system upgrades and new installations. Factory pre-charged with R-454B refrigerant, this unit supports updated environmental regulations while maintaining the high-performance standards MRCOOL® is known for. The pre-charged design allows for quicker, simpler installation, helping save on time and labor. At the heart of the system is a dependable scroll compressor built for consistent operation and long-term durability. Inner-groove copper tubing improves heat transfer, while integrated sensors monitor pressure and temperature to help protect the system from extreme conditions. Designed with homeowners in mind, this unit operates at a quiet 63 decibels, comparable to a typical household appliance. A specially engineered sound-control top keeps operation discreet, even during high-demand periods. Meanwhile, a steel louver coil guard and wire fan discharge grille offer added protection to internal components. Installation and maintenance are straightforward, with accessible service valves and a convenient gauge port. And MRCOOL®'s industry-leading standard 10-year limited parts warranty and limited lifetime compressor warranty, making the MRCOOL® Signature Series 36k Cooling Only Condenser a dependable, efficient choice for cooling comfort.
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Important
AHRI certified - meets industry standards. Register your product to activate warranty coverage. This condenser contains R-454B refrigerant, which is classified as an A2L refrigerant. To comply with safety standards, this unit must be paired with an R-454B air handler or evaporator coil equipped with a leakage detection system. Failure to comply with these requirements may result in safety hazards and could void the warranty.
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Key Features
- 36,000 BTU cooling capacity (3 Ton)
- 14.3 SEER2 efficiency rating
- 11.7 EER2 efficiency rating
- Dependable scroll compressor for reliable operation
- Quiet operation (63 dBA)
- Pre-charged with R-454B refrigerant
- Factory pre-charged for 15-foot line set
- Compact design for easy installation
- Steel louver coil guard for component protection
- AHRI certified
- Extended 150 ft maximum line set length
- 2750 CFM airflow
- Integrated pressure and temperature sensors
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Complete Technical Specifications
| Brand | MRCOOL |
| Series | Signature Series Air Conditioner Condenser |
| Model | MCAESAS4T3621AA |
| UPC | 840255595742 |
| GTIN | 00840255595742 |
| Unit Type | Split System AC Condenser |
| Certifications | UL Listed, CSA Listed, ETL Listed, AHRI Certified |
| Cooling Capacity | 36,000 BTU (3 Ton) |
| Efficiency Ratings | 14.3 SEER2, 11.7 EER2 |
| Refrigerant | R-454B (98.1 oz) |
| Electrical | 208/230V 1 Phase 60 Hz |
| Min Circuit Ampacity | 22.2A |
| Max Fuse Breaker | 30A |
| Compressor Type | Scroll |
| Condenser Fan Motor | PSC, 1/7 HP |
| CFM | 2750 |
| Sound Rating | 63 dBA |
| Min Ambient Cooling | 59°F |
| Max Lineset Length | 150 ft |
| Liquid Line Size | 3/8" |
| Suction Line Size | 3/4" |
| Net Dimensions (HxWxD) | 25" x 29.14" x 29.14" |
| Net Weight | 152 lbs |
| Shipping Dimensions | 26.2" x 30.3" x 30.3" |
| Shipping Weight | 160 lbs |
Performance Features
| Compatible Equipment | Signature Series Multi-Position or Stud Mount Air Handlers |
| Compressor Technology | Dependable scroll compressor for long-term reliability |
| Refrigerant | Eco-friendly R-454B with lower global warming potential |
| Noise Reduction | Sound-control top for quiet operation (63 dBA) |
| Protection Features | Steel louver coil guard and wire fan discharge grille |
| System Protection | Integrated pressure and temperature sensors |
| Installation Features | Accessible service valves with convenient gauge port |
| Extended Installation | Supports up to 150 ft line set length for maximum flexibility |
| Airflow Capacity | 2750 CFM for powerful cooling performance |
Warranty Information
- Registered Warranty: 10 years parts, limited lifetime compressor
- Base Warranty: 10 years parts, limited lifetime compressor
- Registration may be required for full warranty coverage
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Manuals & Certifications
Safety Information
PROPOSITION 65 WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.
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Advanced Technology
The MRCOOL Signature Series 36k Cooling Only Condenser features a dependable scroll compressor designed for maximum durability and energy-efficient operation. The high-efficiency inner-groove copper tubing enhances heat transfer efficiency while the specially engineered sound-control top reduces operational noise to just 63 decibels. Built with integrated pressure and temperature sensors for system protection, this 3-ton air conditioner condenser delivers reliable performance for consistent comfort in residential spaces. With its 14.3 SEER2 cooling efficiency, this unit provides energy-saving operation without compromising on powerful cooling performance.
Installation Advantages
This 3-ton air conditioner condenser simplifies installation with its pre-charged R-454B refrigerant system. The unit supports extended line set lengths up to 150 feet, providing maximum flexibility for various installation scenarios. The compact cabinet design allows for easy placement while maintaining accessibility to service valves and gauge ports for straightforward maintenance. The unit is designed to work with Signature Series Multi-Position or Stud Mount Air Handlers for complete system compatibility. With its powerful 2750 CFM airflow and durable construction, this condenser is an ideal cooling solution for larger residential applications requiring reliable and quiet operation.
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We will prepare your order within 24 hours if it’s received on a weekday (before noon). Orders are shipped in one to two business days. Transit time is between 3 to 6 business days, although exceptions apply. We email tracking information once your purchase is shipped.
Delivery Map
IMPORTANT DELIVERY INFORMATION: Please be kindly informed that this air conditioner, due to its weight and shipping restrictions, is shipped palletized with an arranged freight service and requires an appointment for delivery. To AVOID delays, please check if the provided phone number in the order details is a current number where you can be reached. You can also contact the carrier directly and refer to your tracking number to set up a date and time for your appointment. It is your responsibility to ensure a safe and secure environment for delivery. Please note that we cannot be held liable for any packages that are stolen or lost after delivery has been confirmed. PLEASE verify your shipping address, as changes to the address after freight has shipped can result in an additional 15% or higher fee depending on freight weight and dimensions.
SMALLWARES INFORMATION: Please be informed that for smaller items, such as Installation Kits, Smart Connectivity Dongles, and TTW Sleeves, when these items are ordered individually, they may be shipped via FedEx without a signature requirement. It is your responsibility to ensure a safe and secure environment for delivery. Please note that we cannot be held liable for any packages that are stolen or lost after delivery has been confirmed. Thank you for your understanding and cooperation.
INSPECT YOUR MERCHANDISE BEFORE SIGNING: Please inspect your boxes thoroughly when you receive them. They should arrive shrink-wrapped and on a pallet. If you notice any damages or imperfections (e.g. crushed box or forklift hole), please write comments on the receipt before signing for delivery, no matter how small damages seem. Contact us immediately to assist you.
Shipping & Delivery
We will prepare your order within 24–48 hours if it’s received on a weekday (before noon). Orders are shipped in one to two business days. Transit time is between 3 to 6 business days, although exceptions apply. We email tracking information once your purchase is shipped.
Delivery Map
IMPORTANT DELIVERY INFORMATION
Please be informed that this air conditioner, due to its weight and shipping restrictions, is shipped palletized with an arranged freight service and requires an appointment for delivery.
To AVOID delays, please make sure the phone number in your order details is accurate and one where you can be reached. You may also contact the carrier directly using your tracking number to schedule your delivery.
It is your responsibility to ensure a safe and secure delivery environment. We are not liable for any packages that are stolen or lost after delivery is confirmed.
Please verify your shipping address carefully. Changes to your shipping address after the freight has been shipped may result in additional fees of 15% or more, depending on freight weight and dimensions.
SMALLWARES INFORMATION
Smaller items such as Installation Kits, Smart Connectivity Dongles, and TTW Sleeves may be shipped via FedEx without a signature requirement if ordered individually.
It is your responsibility to ensure a safe delivery location. We are not liable for packages lost or stolen after delivery confirmation. Thank you for your understanding and cooperation.
INSPECT YOUR MERCHANDISE BEFORE SIGNING
Please inspect your boxes carefully upon delivery. Shipments should arrive shrink-wrapped and on a pallet. If you notice any damage or signs of mishandling (such as a crushed box or forklift puncture), write comments on the delivery receipt before signing, even if the damage appears minor.
Contact us immediately if any issues arise so we can assist you promptly.
SMS Delivery Notifications
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