Goodman - 3 Ton/36,000 BTU Wall Mount Air Handler With Built-In 8kW Heater - 230V - R32 - AWST36LU1308

Goodman - 3 Ton/36,000 BTU Wall Mount Air Handler With Built-In 8kW Heater - 230V - R32 - AWST36LU1308

Goodman air handlers are an integral part of finishing a total home environment control system. The AWST plays a key role in reducing indoor humidity to create a much more comfortable environment. In addition, the AWST works with a multi-speed ECM motor to efficiently move cooled or warmed air throughout your home at exactly the speed you need.

Features

• AWST Models: Equipped with a fully adjustable TXV
• Designed for use with R-32 Refrigerant
• Direct-drive, multi-speed motors allows air volume variation for heating/cooling
• Sequence-controlled, rust-resistant nickel chromium heating elements of 3, 5, 8, and 10 kW
• Aluminum tubing coils on all models
• Factory-installed pull-type disconnect
• Factory installed R-32 sensor designed for the lifespan of the coil.
• Thermoplastic drain pan with bottom primary and secondary drain connections
• Built-in filter rack (filter included)
• Large chassis (2.5- and 3-ton units) front return only
• Small chassis (1.5- and 2-ton units) front or bottom return
• Wall-hanging bracket provided
  

Specifications

Manual

• Spec Sheet
• Installation Manual

What our Experts Think

• Versatile Wall‑Mount Air Handler: The Goodman AWST36LU1308 Air Handler is a 3‑ton, wall‑mounted indoor unit designed for R‑32 refrigerant systems, perfect for homes, condos, or multi‑family installations that need compact ducted comfort.

• Built‑In Supplemental Heating: Features an 8 kW electric heat kit integrated into the cabinet, offering supplemental warmth in cooler seasons without needing a separate heater unit.

• Multi‑Speed ECM Blower: The multi‑speed direct‑drive motor adjusts airflow for efficient cooling and heating, improving comfort control and reducing noise compared with basic blowers.

• Precise Refrigerant Control: Equipped with a fully adjustable TXV (thermal expansion valve) to optimize refrigerant flow for both cooling and heat modes, enhancing efficiency and system responsiveness.

• Durable, High‑Quality Build: Includes aluminum evaporator coils, low cabinet air leakage per ASHRAE standards, and a thermoplastic drain pan, which improves heat transfer, corrosion resistance, and longevity.

• Space‑Saving & Easy Install: Wall‑mount design with included bracket, built‑in filter rack, and front return configuration simplifies installation and maintenance in tight spaces.

• Strong Value & Performance: Provides a balanced indoor component for R‑32 split systems, combining efficient airflow, supplemental heat, and installation flexibility — a smart choice for modern HVAC applications.

Q&A

Q: What type of indoor unit is this?
A: This is a wall‑mounted ducted air handler with a built‑in 8 kW electric heater, designed to circulate conditioned air and provide supplemental heating when paired with an outdoor AC/heat pump unit.

Q: What capacity and power specs does it have?
A: Rated for 3 ton cooling (~36,000 BTU), it operates on 208/230 V single‑phase power, suitable for standard residential and light commercial applications.

Q: What refrigerant is it compatible with?
A: Designed for R32 refrigerant systems, ensuring compatibility with modern high‑efficiency outdoor units that use R32.

Q: How does the built‑in heater work?
A: The unit includes an 8 kW supplemental electric heater with sequence‑controlled, rust‑resistant nickel‑chromium heating elements, ideal for providing heat when cooling equipment isn’t running.

Q: What coil and airflow features does it include?
A: It features an all‑aluminum evaporator coil with a fully adjustable TXV (thermal expansion valve) for efficient refrigerant control and a multi‑speed ECM blower motor for precise airflow and quieter operation.

Q: Can this unit be installed easily?
A: Yes. It includes a wall‑hanging bracket for secure mounting, a built‑in filter rack with filter, thermoplastic drain pan, and a pull‑type disconnect for service safety.

Q: What installation and configuration flexibility does it offer?
A: Designed primarily for front‑return wall‑mount installations, the multi‑speed motor and accessible design make it suitable for diverse HVAC layouts and even zoned setups with compatible thermostats.

Maintenance Tips

• Replace Air Filters Regularly: Inspect monthly and replace every 1–3 months to maintain airflow and protect the blower and coil.

• Keep Vents & Registers Clear: Ensure supply and return vents are unobstructed for even airflow and heating.

• Inspect Condensate Drain: Check the drain line and pan for clogs or leaks to prevent water damage and mold growth.

• Clean Around the Unit: Remove dust and debris from the wall-mount area to allow proper airflow.

• Check Electrical Connections: Ensure 230V power supply wiring and heater connections are secure and corrosion-free.

• Monitor Blower & Heater Operation: Listen for unusual noises; verify the 8 kW heater engages properly when needed.

• Schedule Annual Professional Service: Have a licensed HVAC technician inspect the blower motor, heating element, coil, and system controls yearly for optimal performance.