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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)

UAH18024-O (Air Handler)

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.