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MRCOOL 2 Ton 18.6 SEER2 Universal Series Heat Pump System - R454B
Overview
The MRCOOL 2 Ton Universal Series Heat Pump System combines advanced DC inverter technology with exceptional installation flexibility to deliver year-round comfort and significant energy savings. The system features the UHP18024-O inverter condenser, which continuously adjusts its speed to precisely match your home's heating or cooling demand, eliminating the energy waste of traditional on/off systems. Paired with the UAH18024-O multi-positional air handler—capable of upflow, downflow, or horizontal installation—this compact system is ideal for attics, closets, and crawlspaces.
This system delivers reliable performance in extreme weather conditions, providing efficient heating down to -22°F and effective cooling up to 122°F outdoor temperatures. A key advantage is its compatibility with the optional MRCOOL NO-VAC Quick Connect line set, which eliminates the need for vacuuming or flaring, drastically simplifying and speeding up installation. The air handler's M-shaped, 100% aluminum evaporator coil provides a large surface area for superior heat exchange and corrosion-resistant durability. With powerful performance in extreme climates and whisper-quiet operation (as low as 33 dBA), this system ensures comfort without disruption.
Backed by a 10-year parts warranty and a 2-year labor warranty, the MRCOOL 2 Ton Universal Series represents a smart investment in reliable, high-efficiency HVAC technology. Its sleek, compact design and flexible installation options make it a perfect choice for homeowners seeking powerful performance in space-restricted areas.
How is it different from a traditional heat pump?
- DC Inverter Technology: Variable speed operation adjusts output to match demand precisely.
- NO-VAC Quick Connect Compatibility: Streamlines installation, no vacuuming or flaring required.
- Extreme Climate Performance: Efficient heating down to -22°F and cooling up to 122°F.
- Compact, Space-Saving Design: Ideal for installations with limited space.
- M-Shaped Aluminum Evaporator Coil: Enhances heat exchange and durability.
Quick Facts
- Cooling/Heating Capacity: 24,000 BTU
- Refrigerant: R454B
- DC Inverter Heat Pump System for Ducted Applications
- SEER2: Up to 18.6
- HSPF2 (Region 4): 10
- Multi-Positional Air Handler (Upflow, Downflow, Horizontal)
- Extreme Temperature Operation: Heating down to -22°F, Cooling up to 122°F
- Quiet Operation (Condenser: 59 dBA; Air Handler: 33-47.5 dBA)
- 2 Ton, 18.6 SEER2
Use our sizing calculator (HERE) to determine the demand for your home.
Included in Your Order:
MRCOOL 2 Ton DC Inverter Heat Pump Condenser – Model: UHP18024-O
MRCOOL 2 Ton Universal Series Air Handler – Model: UAH18024-O
NO-VAC Quick Connect Line Set (sold separately; simplifies installation)
Compatible with Standard Thermostats
Installation Manual
Owner's & Service Manuals
Key Features:
- Advanced DC Inverter Technology for Variable Speed Operation
- Extreme Climate Performance: Heating to -22°F, Cooling to 122°F
- NO-VAC Quick Connect Line Set Compatible
- Multi-Positional Air Handler (Upflow/Downflow/Horizontal)
- M-Shaped 100% Aluminum Evaporator Coil
- Compact, Space-Saving Design
- 4-Speed ECM Blower Motor
- Optional Universal Series Heat Kits Available (5KW, 8KW, 10KW, 15KW)
- Quiet Operation
- Self-Diagnostic Control Board
- Corrosion-Resistant Construction
Technical Specifications
UHP18024-O (Condenser)
| Specification | Details |
|---|---|
| Model Number | UHP18024-O |
| Cooling BTU | 24,000 BTU |
| Heating BTU | 24,000 BTU |
| SEER2 | Up to 18.6 |
| HSPF2 (Region 4) | 10 |
| Refrigerant | R454B |
| Refrigerant Volume | 74.08 oz |
| Compressor Type | Rotary Inverter |
| Electrical | 208/230 V, 1-Phase, 60 Hz |
| Max Breaker Size | 20 Amps |
| Min Circuit Ampacity | 19 Amps |
| Operating Temp (Cooling) | Up to 122°F |
| Operating Temp (Heating) | Down to -22°F |
| Liquid Line Size | 3/8" |
| Suction Line Size | 3/4" |
| Decibel Rating | 59 dBA |
| Weight | 102.29 lbs |
UAH18024-O (Air Handler)
| Specification | Details |
|---|---|
| Model Number | UAH18024-O |
| Airflow (CFM) | 824/759.3/694.5/629.8 (4 Speeds) |
| Decibel Level | 33 dBA (Low) to 47.5 dBA (High) |
| Refrigerant | R454B |
| Configuration | Multi-Positional (Upflow/Downflow/Horizontal) |
| Electrical | 115/208/230 V, 1-Phase, 60 Hz |
| Max Breaker Size | 15 Amps |
| Min Circuit Ampacity | 3.5-5.5 Amps |
| Filter Size | 12" x 20" x 1" |
| Dimensions (HxWxD) | 49.72" × 14.49" × 21.5" |
| Weight | 123.02 lbs |
Warranty Information
- 10 Years Parts Limited Warranty
- 2 Years Labor Limited Warranty
Manuals & Downloads
- Universal Series Installation Manual
- Universal Series Brochure
- AHRI Certification
- Energy Guide
- 2 Ton Heat Pump Submittal Data
Please note: The air handler must be installed with a compatible condenser. Optional NO-VAC Quick Connect line set and electric heat kits available separately.
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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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