MRCOOL Universal Series 24K BTU, 2 Ton Air Handler - Multiposition (UAH18024-O)
The MRCOOL® Universal® Series 24K Air Handler is built to deliver powerful, reliable, and energy-efficient comfort all year long. Whether you’re facing freezing winters or scorching summers, this compact unit works hard to maintain your ideal indoor temperature while reducing overall energy consumption—helping to lower monthly utility bills.
Designed with flexibility in mind, the 24K Air Handler supports upflow, downflow, and horizontal installations. Its slim profile makes it easy to install in a variety of spaces, including attics, closets, and crawlspaces. For added convenience, it’s compatible with the MRCOOL® NO-VAC® Quick Connect® line set (sold separately), which eliminates the need for vacuuming or flaring—streamlining installation and saving time. To enhance performance during colder months, the unit also supports optional Universal® Series Heat Kits. These kits provide additional heating capacity and emergency backup heat when needed, boosting efficiency in extreme climates. At the heart of the air handler is an M-shaped evaporator coil with a large surface area that improves airflow and maximizes heat exchange. Made from 100% aluminum, the coil is corrosion-resistant for long-lasting durability. Despite its powerful performance, the unit operates at whisper-quiet sound levels, ensuring comfort without disruption.
Backed by a 10-year parts warranty and a 2-year limited labor warranty, the MRCOOL® Universal® 24K Air Handler is a smart, dependable choice for homeowners looking to upgrade to efficient, long-lasting HVAC technology.
Specifications
| Net Dimensions (In) |
21.5 D x 49.72 H x14.49 W |
| Net Weight (Lbs) |
123.02 |
| CFM |
824/759.3/694.5/629.8/N\A |
| Tonnage |
2 |
| Voltage (V) |
115/208/230 |
| Phase |
1 |
| Cycle |
60 |
| Max Fuse Breaker (A) |
15 |
| Min Circuit Ampacity (A) |
5.5/3.5 |
| Mount Type |
Multi-Position |
| Color |
Dark Grey |
| Refrigerant Type |
R-454B |
| Decibel Rating (Dba) |
N\A/47.5/44/33/N\A |
| Decibel Rating Low (Dba) |
33 |
| Decibel Rating High (Dba) |
47.5 |
| Number Of Speeds |
4 |
| Max Lineset Length (Ft) |
164 |
| Liquid Line Size |
8-Mar |
| Suction Line Size |
4-Mar |
| Filter Type |
Replaceable |
| Filter Size |
12 x 20 x 1 |
| Metering Device |
EXV |
| Auxiliary Heater Included |
No |
| Auxiliary Heater Available |
Yes |
| Auxiliary Heater Sizes |
5 KW / 8 KW / 10 KW / 15 KW |
| Ul Listed |
Yes |
| CSA Listed |
Yes |
| ETL Listed |
Yes |
| Base Warranty |
10 Year Parts |
| Base Parts Warranty |
10 Years |
| Base Labor Warranty |
2 Year |
| Contains Electronics |
Yes |
| Contains Chemicals |
Yes |
| Contains Compressed Gas |
Yes |
| Proposition 65 Warning |
Yes |
| Gross Depth (In) |
31.1 |
| Gross Height (In) |
17.52 |
| Gross Width (In) |
52.95 |
| Gross Weight (Lbs) |
154.76 |
What our Experts Think
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Right-Sized Performance: 24,000 BTU (2 Ton) capacity ideal for small to medium homes.
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Multiposition Flexibility: Supports upflow, downflow, and horizontal installation for versatile fit.
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Efficient Airflow: Optimized design ensures consistent, quiet airflow throughout your space.
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Durable Construction: Built with corrosion-resistant materials for long-lasting reliability.
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Easy Integration: Compatible with various HVAC systems, including MRCOOL heat pumps.
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Energy Conscious: Designed to work efficiently with high-SEER outdoor units to save on energy costs.
Q&A
Q: What is the MRCOOL Universal 24K BTU Air Handler designed for?
A: It efficiently distributes conditioned air in ducted HVAC systems up to 1,000 sq. ft.
Q: What does multiposition installation mean?
A: The unit can be installed horizontally, vertically, or downflow to fit various spaces.
Q: Is this air handler compatible with MRCOOL heat pumps?
A: Yes, it pairs seamlessly with MRCOOL Universal and VersaPro heat pump condensers.
Q: What type of blower motor does it use?
A: Features a variable-speed blower motor for energy-efficient, consistent airflow.
Q: Does it support year-round heating and cooling?
A: Yes, when paired with a compatible heat pump, it delivers reliable comfort all year.
Maintenance Tips
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Replace or clean air filters every 30–60 days to ensure efficient airflow
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Inspect and clear condensate drain pan and lines monthly to avoid water damage
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Schedule annual professional inspection to check blower, coils, and electrical components
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Keep supply and return vents free of dust and obstructions
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Clean blower wheel and evaporator coils during yearly maintenance
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Ensure proper installation and sealing to prevent air leaks
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Perform routine HVAC servicing annually to maintain performance and prolong equipment life
