MRCOOL Universal Series 36K BTU, 3 Ton Air Handler - Multiposition - UAH18036-O 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 the perfect 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 ideal for tight or limited spaces. Its compact footprint simplifies placement, while compatibility with the MRCOOL® NO-VAC® Quick Connect® line set (sold separately) makes installation even easier. This innovative line set comes pre-charged and sealed, eliminating the need for vacuuming, flaring, or handling refrigerant—saving both time and installation cost. 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 ensures it blends seamlessly into your home environment, producing sound levels comparable to everyday conversation or a running dishwasher. 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, the MRCOOL® Universal® 36K Air Handler delivers reliable performance and peace of mind. Specifications .tg {border-collapse:collapse;border-spacing:0;} .tg td{border-color:black;border-style:solid;border-width:1px;font-family:Arial, sans-serif;font-size:14px; overflow:hidden;padding:10px 5px;word-break:normal;} .tg th{border-color:black;border-style:solid;border-width:1px;font-family:Arial, sans-serif;font-size:14px; font-weight:normal;overflow:hidden;padding:10px 5px;word-break:normal;} .tg .tg-cly1{text-align:left;vertical-align:middle} .tg .tg-1wig{font-weight:bold;text-align:left;vertical-align:top} Net Dimensions (In) 21.5 D x 53.98 H x17.52 W Net Weight (Lbs) 149.25 CFM 1236.1/1147.8/1059.5/971.2/N\A Tonnage 3 Voltage (V) 115/208/230 Phase 1 Cycle 60 Max Fuse Breaker (A) 15 Min Circuit Ampacity (A) 6-Aug Mount Type Multi-Position Color Dark Grey Refrigerant Type R-454B Decibel Rating (Dba) 48/46.5/45/33/N\A Decibel Rating Low (Dba) 33 Decibel Rating High (Dba) 48 Number Of Speeds 4 Max Lineset Length (Ft) 246 Liquid Line Size 8-Mar Suction Line Size 4-Mar Filter Type Replaceable Filter Size 16 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 / 20 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) 20.47 Gross Width (In) 57.09 Gross Weight (Lbs) 182.1 What our Experts Think Reliable Capacity: 36,000 BTU (3 Ton) airflow supports medium to large homes with consistent heating and cooling. Multiposition Flexibility: Can be installed in upflow, downflow, or horizontal configurations to fit various layouts. Universal Design: Pairs seamlessly with MRCOOL Universal condensers for a complete HVAC solution. Even Comfort: Ensures balanced airflow distribution across all rooms for steady indoor temperatures. Durable Construction: Built with high-quality components for long-lasting, low-maintenance operation. Trusted Performance: MRCOOL is recognized for innovative, reliable, and user-friendly HVAC systems. Q&A Q: What is the MRCOOL UAH18036-O?A: A 36,000 BTU (3 Ton) Universal Series multiposition air handler designed to pair with MRCOOL Universal heat pump condensers. Q: What are the key features?A: Variable-speed blower, quiet operation, multiposition installation (upflow, downflow, horizontal), and compatibility with MRCOOL Universal condensers. Q: Is it energy efficient?A: Yes, when paired with MRCOOL Universal condensers, it supports high SEER2 ratings for efficient heating and cooling. Q: Does it support heat kits?A: Yes, it’s compatible with optional electric heat kits for supplemental heating. Q: Where is it best used?A: Ideal for medium to large homes requiring a versatile and efficient ducted HVAC solution. Maintenance Tips Clean or replace air filters regularly to maintain airflow and efficiency. Inspect and clean blower assembly to ensure consistent performance. Check condensate drain line for clogs to prevent water buildup. Inspect ductwork periodically for leaks or blockages. Verify electrical connections are tight and corrosion-free. Test thermostat and control settings seasonally for accuracy. Schedule annual professional servicing for optimal reliability. Always disconnect power before cleaning or maintenance.
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