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Amana ASUF29B14

2.5 Ton Standard Multi-Positional Air Handler


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The Amana ASUF line of air handlers will not only provide you with cooling performance for many years, but are also designed for R-410A refrigerant. Since this refrigerant does not contain chlorine, it is more environmentally friendly than R-22 refrigerant.  Featuring a direct-drive, multi-speed ECM blower motor, they reduce the likelihood of hot and cold spots in your house.

Amana ASUF air handlers also feature the SmartFrame™ inner skeleton which not only adds lateral stability to the chassis, but also provides a mounting location for all internal components, providing additional insulation retention.

Standard Features

  • Direct-drive, multi-speed ECM motor
  • Transformer and blower time-delay on all units
  • All-Aluminum coil
  • Easy single-bulb UV light compatibility
  • Cabinet air leakage less than 2.0% at 1.0 inch H20 when tested in accordance with ASHRAE standard 193
  • Cabinet air leakage less than 1.4% at 0.5 inch H2O when tested in accordance with ASHRAE standard 193
  • AHRI Certified; ETL Listed

Cabinet Features

  • New rigid SmartFrame™ cabinet
  • 21” depth for easy attic access
  • DecaBDE-free thermoplastic drain pan
  • Galvanized, leather grain-embossed finish
  • Foil-faced insulation covers the internal blower case to reduce operating sound and cabinet condensation
  • Glue-less cabinet insulation retention
  • Screw-less sides & back reduces potential condensation
  • Easily convertible multi-position capability: upflow, downflow or horizontal
  • Coil-mounting track for quick repositioning
  • Tool-less filter access
  • Multiple independent electrical knockouts
  • Heavy-gauge bottom plate



Configuration is the direction the conditioned air will pass through the unit.

Upflow units will have the air come in from the bottom and blow out the top.

Horizontal units will have the air go through the unit left to right, or right to left.

Downflow units will have the air come in from the top of the unit, and blow out the bottom.

Unsure of what configuration your home needs? Call us at 800-865-5931. Monday through Friday, 8:30am to 5:00pm CST

Downflow / Horizontal / Upflow
Blower Cooling Capacity

The tonnage of air conditioning that can be moved effectively by the blower. You want to make sure that the blower is appropriately sized for the air conditioner. If it is too small the coil could ice up. If it is too large than the air coming out of the ducts won't be cold enough.

Blower Cooling Capacity
2.5 Tons
Electric Heat Capabilities (Optional)

One kilowatt equals 3,400 BTU's of heat (British Thermal Units).

Electric Heat Capabilities (Optional)
10 / 15 / 5 / 8 Kilowatts

Inside air conditioning systems are liquid/gas refrigerant. There are two types of this refrigerant available for use, R-22 (more commonly known as Freon), and a newer alternative R-410A.

An air conditioning system does not consume refrigerant, but reuses it. As long as there are no leaks in the refrigerant circuit, there is no need to ever add more refrigerant to an air conditioning system.

Although R-22 is an effective refrigerant, if it is released into the atmosphere it can contribute to the depletion of the Earth’s ozone layer. The EPA has mandated the phasing out the use of R-22. It is being replaced by R-410A.

As of 2010, manufacturers are required to make all new air conditioners with R-410A. However, R-22 is still available for sale in existing pre-2010-manufactured equipment, and for use in servicing existing R-22 equipment. By 2020, R-22 will no longer be manufactured, but will still be recycled and available for sale.

Blower Type

There are three main type of blowers: Multi-Speed, High-Efficiency Multi-Speed, and Variable Speed.

Standard Multi-Speed blowers have different speed options and you select the speed that the blower will operate at depending on the function it is performing (ex. different speeds for fan, AC, and heating functions).

High-Efficiency Multi-Speed blowers are designed to maintain a constant torque and in doing so will maintain air-flow and use less electricity.

Variable Speed blowers will adjust their speed during operation. The result is a blower that will run at lower speeds for longer periods of time (this improves the air flow and increases electrical efficiency).

Blower Type
High Efficiency Multi-Speed
Maximum Overcurrent Protection (Breaker)

The maximum capacity breaker in the building's circuit panel that can be used on the dedicated electrical line supplying the equipment.

Maximum Overcurrent Protection (Breaker)
15 Amps
Fuel Type
Requires Downflow Kit

Kit is required when installed in a downflow application.

Requires Downflow Kit
Liquid Line Connection Size

The outside diameter of the liquid line pipe (the inside diameter of the connection on the equipment).

Liquid Line Connection Size
3/8 Inches
Suction Line Connection Size

The outside diameter of the suction line (the inside diameter of the connection on the equipment).

Suction Line Connection Size
3/4 Inches
Supply Air Opening Size

The dimensions of the opening that the air is discharged through. This is the section where you would attach the supply plenum.

Supply Air Opening Size
16.375 x 11.3 Inches
Return Air Opening Size

The dimensions of the opening where the air is recirculated back into the unit

Return Air Opening Size
19.5 x 14.125 inches
Shipping Weight
100 lbs
17 1/2 Inches
21 Inches
45 Inches
208 / 230 Volts
60 Hz
Voltage Phase
Parts Warranty
10 Years