3 Ton Goodman 15.2 SEER2 R32 Central Wall Mount System GLXS4BA3610, AWST36LU13 Apartment/Condo Type
This is the largest system in Goodman's AWST wall mount series. It pairs the 36,000 BTU/h GLXS4BA3610 condenser with the AWST36LU13 large-chassis air handler at 15.2 SEER2 (AHRI #214859636). It's the only system in this group with a scroll compressor, and at 67 dBA the GLXS4BA3610 has the lowest sound rating in the GLXS4B series. That matters for condos where the outdoor unit sits on a balcony or close to a neighbor's window. It suits larger condos, penthouse units and townhomes that need 3 tons of in-wall cooling, with factory heat options up to 10 kW.
Is a 3 Ton Air Conditioning System the Right Size?
Three tons (36,000 BTU/h) typically serves larger condos, multi-level townhomes and penthouse units, often around 1,500–1,800 sq. ft. as a rough guide. Since 3 tons is the top of the AWST wall mount line, it's worth confirming the load carefully. Oversizing here can mean short cycles and humidity problems in a compact living space.
Top-floor and corner units, floor-to-ceiling glass, open layouts and high occupancy all increase cooling needs. Shared walls and shaded exposures reduce them. The AWST36LU13 also needs a front-return wall closet sized for the 24" large chassis.
Ideal for: Larger condos, penthouse units, multi-level townhomes and multifamily units that need the maximum capacity available in a wall-mount air handler.
Need more capacity? The AWST line tops out at 3 tons. For bigger loads, consider a ducted system such as the 3.5 Ton Goodman R32 A/C System GLXS4BA4210, AMST42CU1300 with a multi-position air handler.
Recommended home sizes are general guidelines only. Actual system requirements depend on insulation, climate, windows, ductwork, occupancy and a proper load calculation. Request free sizing assistance, contact Budget Heating, or call 813-885-7999.
What's Included
| Outdoor Condensing Unit | GLXS4BA3610 — 3 Ton R32 Split System Air Conditioner |
|---|---|
| Indoor Air Handler | AWST36LU13 Wall-Mount Air Handler (Large Chassis, 24" Cabinet) |
| Application | Apartment/Condo Wall Mount Cooling System (Factory Electric Heat Optional) |
| Refrigerant | R-32 |
| Compressor | Single-Stage Scroll Compressor with Advanced Copeland® Technology |
| Metering Device | Factory-Installed Thermal Expansion Valve (TXV) |
| Electrical | 208/230V, Single Phase, 60 Hz Condensing Unit — 17.8 MCA / 30A Max Overcurrent |
| Air Handler Electrical | 208/230V, Single Phase — See Rating Plate (Varies with Heat Option) |
The GLXS4BA3610 condenser measures 29" x 29" x 39-1/2" and weighs 158 lbs, with a 69 oz. factory R-32 charge and 7/8" suction and 3/8" liquid connections. The AWST36LU13 delivers roughly 1,114–1,360 CFM at 0.1" static across its five speed taps, the highest airflow in the AWST line. It shares the ratings of the ducted 3 ton GLXS4 15.2 SEER2 system but installs in a wall closet. For heat pump heating in the same footprint, see the 3 ton Goodman R32 heat pump wall mount system, or browse all wall mount air handlers.
Condensing Unit & Air Handler Features
GLXS4BA3610 Outdoor Condensing Unit
- 36,000 BTU/h nominal cooling capacity
- Single-stage scroll compressor with Advanced Copeland® Technology
- 67 dBA rated sound level, the quietest in the GLXS4B series
- High-density foam compressor treatment
- 69 oz. factory R-32 charge for 15 ft. of tubing
- 3/8" liquid and 7/8" suction sweat service valves
- Factory-installed filter drier and high-pressure switch
- Venturi design for increased airflow velocity
- 2023 Florida Building Code hurricane-wind compliant when anchored
- 10-year parts limited warranty with online registration within 60 days
AWST36LU13 Wall-Mount Air Handler
- Top capacity of the AWST wall mount series
- Large chassis with 24" cabinet and front return
- Direct-drive, multi-speed motor, 1,114–1,360 CFM across five taps at 0.1"
- R-32 refrigerant detection system with mitigation mode
- Built-in filter rack with 18" x 20" x 1" filter included
- Factory-installed pull-type disconnect
- Cabinet air leakage under 1.4% at 0.5" H₂O (ASHRAE 193)
- Bottom primary and secondary drain connections
- 4" fresh air knockouts on both sides
- Factory pre-installed 5 kW, 8 kW or 10 kW heat available
Specifications & Manuals
Documentation includes GLXS4BA3610 specifications and expanded cooling data, AWST36LU13 airflow and dimensional data, R-32 installation and refrigerant detection instructions, and warranty certificates.
Frequently Asked Questions
Is 3 tons the largest AWST wall mount size?
Yes. Goodman's AWST wall mount air handler series covers 1-1/2 to 3 tons, so the AWST36LU13 is the top capacity.
What airflow does the AWST36LU13 deliver?
Goodman's R-32 manual lists 1,114 CFM on T1/T2, 1,225 CFM on T3, 1,287 CFM on T4 and 1,360 CFM on T5 at 0.1" static. T1 is reserved for fan-only and mitigation mode.
Does the scroll compressor make this system quieter outside?
Goodman rates the scroll-compressor GLXS4BA3610 at 67 dBA, the lowest sound rating in the GLXS4B series and quieter than the 1.5, 2 and 2.5 ton rotary-compressor condensers used in the other wall mount systems.
How does this compare to the ducted 3 ton GLXS4 15.2 SEER2 system?
Both use the GLXS4BA3610 condenser and are rated 15.2 SEER2. This package uses the AWST36LU13 for in-wall closet installs, while the ducted version uses the multi-position AMST42CU1300 for attics, closets and crawlspaces.
Can the AWST36LU13 be installed in a garage or crawlspace?
Goodman designs the AWST for installation in conditioned space. Its manual also advises elevating the unit where the area may become wet and adding a protective barrier where physical damage is possible, such as in a garage.
What slope does the AWST36LU13 condensate line need?
Goodman calls for a positive slope of 1/4" per foot on the condensate line. The unit itself must be level or tilted slightly back for proper drainage.
Click On Links Below For Specifications & Manuals:
GLXS4 Technical Specifications
GLXS,GLZS Warranty Certificate
"SEER2" stands for Seasonal Energy Efficiency Ratio 2. Specifically, SEER2 is the total heat removed from the conditioned space during the annual cooling season. The M1 testing procedure will increase systems' external static pressure by a factor of five to better reflect field conditions of install equipment. With this change, new nomenclature will be used to denote M1 ratings (including EER2 and HSPF2).

