Universal Series 36,000 BTU Air Handler

Sandra
Updated

NON DIY - Licensed HVAC Installation

UAH18036-O

Description

The MRCOOL® Universal® Series 36K Air Handler offers a high-efficiency, performance-driven solution for year-round indoor comfort. Designed to meet the needs of modern homeowners, it’s an excellent upgrade for those looking to reduce energy costs without sacrificing heating and cooling performance. Built for flexibility, the air handler features a multi-position design that allows for vertical, horizontal, or downflow installation. This makes it adaptable to a wide range of home layouts and suitable for a variety of installation locations.

Its compact footprint allows for flexible placement, while compatibility with the MRCOOL® NO-VAC® Quick Connect® line set (sold separately) provides integration with the MRCOOL® Universal® system.

For enhanced functionality, the air handler supports optional Universal® Series Heat Kits, which can boost heating capacity during cold weather or serve as emergency backup heat during unexpected temperature drops. Inside, the system features an advanced M-shaped evaporator coil that increases the surface area for better heat exchange, improved airflow, and higher energy efficiency.

Quiet operation helps the unit blend seamlessly into the home environment. The coil is constructed from 100% aluminum for superior corrosion resistance and long-term durability.

Backed by a 10-year parts warranty and a 2-year limited labor warranty when installed by a licensed professional, the MRCOOL® Universal® 36K Air Handler delivers reliable, efficient, and long-lasting performance.

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Key Specs

  • Brand: MRCOOL®

  • Series: Universal® R-454B

  • Model: UAH18036-O

  • System Type: Universal Series Air Handler

  • Tonnage: 3 Ton (36,000 BTU)

  • Voltage: 115 / 208 / 230V, Single Phase, 60 Hz

  • Mount Type: Multi-Position (Upflow, Downflow, Horizontal)

  • Refrigerant Type: R-454B 

  • Decibel Rating: 33–48 dBA

  • Number of Speeds: 4

  • Line Set Compatibility: MRCOOL® NO-VAC® Quick Connect® line set

  • Liquid Line Size: 3/8 in

  • Suction Line Size: 3/4 in

  • Filter Type: Replaceable

  • Filter Size: 16 x 20 x 1 in

  • Metering Device: EXV

  • Auxiliary Heater Options: 5kW, 8kW, 10kW, 15kW, 20kW (sold separately)

  • Color: Dark Grey

  • Certifications: UL, CSA, and ETL Listed

  • Warranty: 10-Year Parts and 2-Year Limited Labor Warranty

  • Net (W x D x H): 17.52" x 21.5" x 53.98"

  • Net Weight: 149 lbs

  • Gross Weight: 182 lbs

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Compatibility

Universal Series 36,000 BTU Heat Pump Inverter Condenser

Universal R-454B Heat Kits

5th Gen R-454B No Vac Line Sets 3/8" - 3/4"

 

Disclaimer:

The compatibility information provided in this article is specific to units within the same series. While additional compatibility with other series and units may exist, it is not detailed here. For further assistance or confirmation of compatibility with other systems, please contact MRCOOL support

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Warranty

The MRCOOL warranty provides comprehensive coverage for your unit.

    

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Quick Links

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📞 (270) 366-0457
📧 support@mrcool.com
📝 Submit a support ticket

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