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MRCOOL Universal R-454B (UAH18048-O) – High-Capacity Air Handler with Adaptive Airflow Design

Special Price $2,008.26 Regular Price $2,229.17
In stock
SKU
UAH18048-O
A high-capacity air handler designed to deliver even air distribution while supporting efficient heating and cooling performance in residential spaces. It accommodates multiple installation configurations for added flexibility. Key features include an M-shaped evaporator coil for improved airflow efficiency and a corrosion-resistant aluminum coil for enhanced durability and long-term reliability.
Manufacturer:
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Product Description

Air movement inside a home plays a bigger role than most systems account for. When airflow is uneven, some rooms feel comfortable while others lag behind. The UAH18048-O is designed to correct that imbalance by delivering more controlled and evenly distributed air throughout the space.

At the core of this air handler is an internal design focused on airflow efficiency rather than just output. The M-shaped evaporator coil increases the available surface area for heat exchange, allowing air to move more effectively while maintaining consistent performance. This helps improve airflow distribution while keeping indoor conditions stable.

Beyond performance, installation flexibility becomes a key advantage. As a MRCOOL universal series 48K BTU air handler, it supports vertical, horizontal, and downflow configurations, making it adaptable to a wide range of layouts. Its compact structure allows it to fit into tighter or unconventional areas without requiring major adjustments. Compatibility with the MRCOOL® NO-VAC® Quick Connect® line set further simplifies setup by reducing installation steps and tool requirements.

Daily operation remains quiet and unobtrusive, operating at sound levels similar to common household appliances. For added functionality, the system supports Universal® Series Heat Kits, providing additional heating capacity and backup support during colder conditions. The 100% aluminum coil resists corrosion, contributing to long-term durability with minimal maintenance needs. Backed by a 10-year parts warranty and a 2-year limited labor warranty, it offers dependable performance over time.

A homeowner shared, “We spent some time comparing options before choosing this air handler. After using it for a while, the airflow feels more balanced, and it runs more smoothly than our previous setup.”

With its airflow-focused design, flexible installation options, and durable construction, this air handler provides a practical solution for maintaining consistent indoor comfort.

Product Highlights

Highlight Details
Flexible Installation Supports vertical, horizontal, and downflow setups
M-Shaped Evaporator Coil Enhances heat exchange and airflow efficiency
100% Aluminum Coil Provides corrosion resistance and durability
Compact Design Fits into tight or unconventional spaces
NO-VAC® Quick Connect® Compatible Simplifies installation process
Heat Kit Compatibility Enables additional heating and emergency backup
Quiet Operation Maintains comfort without disruptive noise

MRCOOL Universal R-454B (UAH18048-O) – High-Capacity Air Handler with Adaptive Airflow Design Specs

Category Specification Details
General Type Universal Series Air Handler
  Mount Type Multi-Position
Performance Tonnage 4
  CFM (Cubic Feet per Minute) 1601/1442.1/1265.5/1088.9/N\A
  Decibel Rating - dba N\A/53/49.5/33.5/N\A
  Number of Speeds 4
Refrigeration Metering Device EXV
  Refrigerant Type R-454B
  Max Line Set Length (ft) 246
Electrical Phase 1
  Cycle (Hz) 60
  Voltage 115/208/230
  Max Fuse Breaker (A) 15
  Min Circuit Ampacity (A) 14.5/10
Heating Auxiliary Heater Sizes 8 KW / 10 KW / 15 KW / 20 KW
Filters Filter Type Replaceable
  Filter Size 20 x 20 x 1
Warranty Warranty 10 Year Parts / 2 Year labor
Safety Contains Compressed Gas (Yes/No) Yes
Dimensions Net (D×W×H) inches 21.5x21.5x55.94
  Net Weight (lbs) 186.51
  Gross (D×W×H) inches 31.1x59.84x25
  Gross Weight (lbs) 232.14
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Frequently Asked Questions

  • It provides 48K BTU capacity, suitable for larger residential spaces.