Description
AireVantage B65VMMX3648K-C is a variable-speed, multi-position air handler built for higher-demand residential systems where comfort problems usually show up first: uneven rooms, noisy airflow, and humidity that never feels controlled. This model is designed for SEER2 residential systems and is intended to pair with an AireVantage heat pump or air conditioner as the indoor airflow and coil platform.
The variable-speed ECM motor provides 16 field-selectable cooling airflow options and holds more consistent airflow by automatically adjusting to changes in static pressure. That’s the kind of control that helps the system feel more stable day to day—especially in real homes where ducts, filters, and returns aren’t perfect. It’s also designed for extra quiet, smooth blower cycling, and it targets reduced air stratification to improve how humidity removal and filtration perform over longer run cycles.
On the build side, B65VMMX3648K-C is engineered to last and stay serviceable. It uses a factory-installed externally equalized TXV for precise refrigerant control under varying loads, an all-aluminum coil for high corrosion resistance, and a plastic drain pan designed to resist corrosion. The cabinet is galvanized steel with a polyurethane finish rated to endure 950 hours of salt spray, and it includes 1-inch insulation (R-4.2) to support quieter operation and help prevent cabinet sweating. This C-cabinet size supports a built-in filter rack and plug-in heater kit capability, keeping the unit flexible for different comfort and electric heat needs.
Key Features
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Variable-speed ECM motor: 16 field-selectable cooling airflows; automatically sets heating airflow based on installed heat
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Constant airflow control: Automatically compensates for changing static pressure
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Quiet blower operation: Smooth on/off cycles for lower perceived noise
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TXV metering device: Factory-installed, externally equalized TXV for precise refrigerant control
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Comfort and humidity support: Reduced air stratification; improves humidity removal and filtration capability
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Multi-position design: Multi-position cabinet for flexible application fit
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Durable cabinet build: Polyurethane-coated galvanized steel with 950-hour salt spray rating; plastic drain pan
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Insulated cabinet: 1-inch insulation (R-4.2) reduces noise and cabinet sweating
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Aluminum coil technology: All-aluminum coil for high corrosion resistance
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Electric heat ready: Plug-in heater kit support (5 kW through 24 kW); breaker accessible from front when heater is applied
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Florida code: Designed to meet requirements 610.2.A.2 for air leakage
