MRCOOL Universal Series 3 Ton Central Heat Pump Split System, UHP1836AH1836-O

Up to 18 SEER2 • R-454B Refrigerant • Extreme Cold Climate Performance

The MRCOOL® Universal® Series 36K BTU 3 Ton Central Ducted Heat Pump System is a high-performance, inverter-driven HVAC solution designed to deliver reliable, energy-efficient comfort year-round. Built to perform in both extreme heat and cold, this system operates across a wide temperature range from -22°F to 122°F, making it an excellent choice for mixed and cold climates.

Featuring advanced DC inverter technology, the Universal Series dynamically adjusts output to maintain consistent indoor comfort while reducing energy consumption, operating noise, and system wear. This system is ideal for homeowners and professionals seeking flexibility, efficiency, and long-term value in a central ducted heat pump.

System Overview

The MRCOOL Universal Series pairs a high-efficiency outdoor heat pump condenser with a versatile, multi-position indoor air handler. Designed for broad compatibility, the system works seamlessly with third-party air handlers and thermostats, including popular Wi-Fi-enabled models such as Nest and Honeywell, allowing greater freedom in system design and control.

Outdoor Heat Pump Condenser Features

The MRCOOL Universal® Series 3 Ton Heat Pump Condenser delivers powerful heating and cooling with quiet, intelligent operation.

• High-Efficiency Performance
  Rated up to 18 SEER2, providing excellent energy savings without sacrificing comfort.
• Wide Operating Temperature Range
  Reliable operation from -22°F to 122°F, ensuring dependable performance in extreme climates.
• DC Inverter Technology
  Variable-speed operation precisely matches demand, improving comfort, efficiency, and system longevity.
• Quiet Operation
  Internal fan blade design and inverter-driven components significantly reduce operating noise.
• Next-Generation R-454B Refrigerant
  Pre-charged with R-454B refrigerant, offering lower environmental impact while maintaining strong heating and cooling performance.
• Broad Compatibility
  Works with third-party air handlers and thermostats, including smart and Wi-Fi-enabled options.
• Certified Performance
  ETL and AHRI certified for verified safety, efficiency, and performance.

Indoor Air Handler Features

The MRCOOL Universal® Series 3 Ton Air Handler is engineered for efficient airflow, quiet operation, and installation flexibility.

• Multi-Position Installation
  Supports upflow, downflow, and horizontal (left or right) configurations to accommodate a wide range of ductwork layouts.
• High-Efficiency Airflow Design
  Equipped with a powerful DC fan motor for efficient, consistent air delivery.
• Multiple Connection Options
  Compatible with NO-VAC® pre-charged Quick Connect® line sets, sweat/braze fittings, or flare fittings, offering flexibility for both DIY and professional installations.
• Enhanced Electrical Safety
  Fire-resistant electrical box design with reserved space for circuit breaker installation.
• Durable, Washable Metal Filter
  Long-lasting metal filter is easy to clean and resistant to fire, corrosion, and wear.
• Condensation Protection
  Dual-layer condensation protection enhances safety and reliability in humid environments.
• Quiet Operation
  Designed for low noise output, suitable for installation near living spaces and bedrooms.

Ideal Applications

• Replacement of older central HVAC systems
• New residential construction
• Cold and mixed climate regions
• Installations requiring flexibility in thermostat and equipment pairing

Warranty Coverage

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

Provides long-term protection and peace of mind for your investment.