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 |
Frequently Asked Questions
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It provides 48K BTU capacity, suitable for larger residential spaces.
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