Benefits & Features

The Future of Central Heat & Air

MRCOOL Universal® Series Heat Pump A/C Condensers & Systems

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Much Quieter

Ideal for Sound Restrictions

For every 10 Decibels (dBa) a sound is twice as loud - making the Universal® at 55 dB(a) less than half as loud as a conventional condenser at 73 dB(a).

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Slim Design

Ideal for Zero Lot Lines

Side discharge design takes less than half the area of conventional condensers.  Perfect for city lots and between building applications where access is limited.
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Versatile Installation

Truly Universal Installation Options

The Universal® has Flare, Flare-to-Weld or No-Vac® Quick Connect® line set options and Multi-Position Air Handler Installation (Upflow, Horizontal).
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All-Climate Performance

NOT Your Typical Heat Pump

Heating: 100% Capacity at -5°F and 78% Capacity at -22°F*
Cooling: 100% Capacity at 115°F and 78% Capacity at 130°F*
* outside temperature | based on 2 Ton model
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Thermostat Compatibility

Truly Universal Thermostat Options

Compatible with any third party thermostat including NEST®
OR optimize your system with our feature-rich smart-app Universal® Thermostat
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Reliable Comfort

This DC Inverter Does It Better

The Universal® DC Inverter moderates operating load, heating & cooling with less fluctuation for more comfortable climate control, extending component life for fewer breakdowns.

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Side Discharge

No Clogging / Less Space

The Universal® takes half the area and, unlike conventional condensers, doesn't fill up with leaves, snow and debris.

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Versatile Application

Install Almost Anywhere

Replaces larger / louder condensers where sound / space limitations apply, and exceeds conventional heat pump performance ranges for All-Climate applications with optimal coverage from 1000 sqft to 2500 sqft.
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Energy Efficient

Up to 20 Seer

The Universal® DC Inverter moderates operating load, increasing efficiency for lower operating costs.

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Gold Fin® Condenser

Corrosion Resistant

Live on the coast? Don’t worry, our condenser is built to resist long term corrosion.
MRCOOL Universal is Quiet and Compact

Quiet & Compact - Ideal for:


Zero Lot Line Homes
  • Side discharge design takes less than half the area of conventional condensers
  • Perfect for city lots and between building applications where access is limited
  • Decibels (dBa) are logarithmic - for every 10 dBa a sound is twice as loud - making a conventional condenser at 73 dB(a) more than twice as loud as the Universal at 55 dB(a).
  • It's the difference between having a conversation and running a vacuum cleaner
  • The Universal emits a soft soothing sound that fades into the background
  • Tired of depending on fuel oil or propane prices and delivery? This is a solution.
  • Condenser can replace any R410A condenser of equivalent capacity using the existing Flare connection or included Flare-to-Weld kit
  • OR Replace the whole system and connect to the Universal® Air Handler using our No-Vac® Quick Connect® Line Set

NO-VAC® Quick-Connect® Pre-Charged Line Set


Kink Resistant for Easier Bending During Installation

100% Accurately Precharged R410A Refrigerant standard sizes: 15 ft, 25ft, 35ft, 50ft

Optional No-Vac® Couplers can be used to combine two standard line sets to extend the length if needed

Simple to Use, Leak Proof, and Screw-on Quick Connect Valves do not require vacuuming

Quicker Installation than Conventional Line Sets

Strong 3/4" Gator-Flextra™ UV Protective Insulation provides extra protection against sun damage, weather erosion, or destruction from animals or insects

No-Vac Quick Connect Line Set

Best-In-Class Performance Range


  • Exceeds Conventional Heat Pump Performance Ranges
  • Unparalleled Heating: 100% at -5°F outside temp*
  • 78% Heating Capacity at -22°F outside temp*
  • Enhanced Cooling: 100% at 115°F outside temp*
  • 78% Cooling Capacity at 130°F outside temp*
* based on 2 Ton model
  • Condenser can replace any R410A condenser of equivalent capacity using the existing Flare connection or included Flare-to-Weld kit

  • OR Replace the whole system and connect to the Universal® Air Handler using our No-Vac® Quick Connect® Line Set

  • Air Handler has Multi-Position Installation (Upflow, Horizontal)
MRCOOL Universal is Quiet and Compact
  • Compatible with any third party thermostat including NEST

  • Compatible with most any party R410A Air Handlers of equivalent capacity

  • OR optimize your system with the Universal® Air Handler and our feature-rich smart-app Universal® Thermostat
Third Party Compatibility
  • Comes in four capacities for optimal coverage from 1000 sqft to 2500 sqft

  • Can replace larger / louder condensers where sound / space limitations apply

  • All-Climate application - Exceeds Conventional Heat Pump Performance Ranges

  • Slim design allows the customer more lot clearance and the reseller more inventory space in warehouse
Two Models to Cover 24K-60K
2-3 Ton Condenser Specs Image 4-5 Ton Condenser Specs Image
Model Model MDUO1824 MDUO1836 MDUO1848 MDUO1860
Capacity Capacity Range 2 Ton 3 Ton 4 Ton 5 ton
SEER SEER 20 18 17 17
HSPF HSPF 10 10 10 9
Capacity (BTU) Capacity (BTU) 24K 36K 48K 54K
Certification Certifications ETL / AHRI
Refrigerant Type Refrigerant R410A
Power Supply Power Supply 208-230V / 1Ph / 60Hz
Minimum Circuit Ampacity (amps) MCA (amps) 18A 24A 35A 35A
Maximum Overcurrent Protection (amps) MOP (amps) 25A 40A 45A 45A
Heating Operational Temp Efficiency Range Heat Range 100% at -5°F
78% at -22°F
100% at 17°F
>50% at -22°F
100% at 14°F
>50% at -22°F
100% at 23°F
>50% at -15°F
Cooling Operational Temp Efficiency Range Cool Range 100% at 115°F
78% at 130°F
100% at 104°F
78% at 115°F
100% at 109°F
90% at 115°F
100% at 104°F
>50% at 115°F
NOTICE: MRCOOL® products must be installed in accordance with all applicable local, state and federal codes and regulations.   Unless explicitly stated otherwise, installation must be completed by a licensed / certified HVAC technician.   ALL electrical connections to a power source must be performed by a licensed electrician and comply with local, state and federal electrical codes and regulations.

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