Goodman - 3.5 Ton/42,000 BTU - Multi-Positional - Air Conditioner Split System - 13.5 SEER2 - R32 - GLXS3BN4210
A Goodman combination system is a great choice to keep your home comfortable all season long. With tons of extra features and a great price, a Goodman air conditioner split system is the perfect choice for all of your cooling needs.
Features
- Ideal size to cover a medium-sized house
- 3.5 ton, 13.4 SEER2 AC-only condenser
- R32: Complies with Clean Air Act New Refrigerant Requirements
- Low sound output
- Fully charged for up to 15' of line set
- Factory-installed filter drier
- Air Handler
- 3.5 ton air handler
- Electric heat compatible
- Optimized for use with R-32 refrigerant
- Multi-speed, direct drive ECM blower motor
- Multi-positional (upflow, downflow, or horizontal)
Specifications
| 3.5 Ton 13.4 SEER2 Goodman Air Conditioner Condenser - R32 |
| SKU |
GLXS3BN4210 |
| Weight |
195.000000 |
| Manufacturer |
Goodman |
| Replaces |
GSX130421 and GSXN3N4210 |
| Cooling BTU |
42,000 |
| Blower Motor |
Single Speed PSC Motor |
| Decibel Level (dBA) |
73 |
| Horsepower |
1/4 HP |
| Refrigerant |
R32 |
| SEER2 |
13.4 |
| Condenser Stages |
Single Stage |
| Compressor Type |
Scroll |
| Liquid Line |
3/8" |
| Suction Line |
1 1/8" |
| Liquid Valve Size |
3/8" |
| Suction Valve Size |
7/8" |
| Electrical |
208 / 230 V. 1 Phase 60 Hz |
| Max Breaker Size |
30 Amps |
| Min. Breaker Size |
19.4 Amps |
| Tonnage |
3.5 Ton |
| Connection |
Sweat |
| Height |
35 3/4" |
| Width |
26" |
| Depth |
26" |
Manual
What our Experts Think
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Reliable Cooling for Mid‑Sized Homes
The Goodman GLXS3BN4210 3.5 Ton Air Conditioner Split System delivers 42,000 BTU of cooling with a 13.4–13.5 SEER2 rating, making it a practical choice for medium‑sized residential spaces where balanced comfort and value matter.
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Modern R‑32 Refrigerant Compliance
Factory‑charged to use R‑32 refrigerant, this unit supports lower global warming potential and aligns with current HVAC refrigerant standards—ideal for environmentally conscious installations.
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Consistent Single‑Stage Performance
A single‑stage scroll compressor ensures steady, dependable cooling without unnecessary complexity—perfect for homeowners who want straightforward performance over advanced modulation.
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Durable Outdoor Build & Quiet Operation
Featuring a steel louver coil guard, powder‑coat finish, and removable grille‑style top, the condenser resists corrosion and supports easier servicing. Typical sound levels around 73 dBA help keep operation reasonably quiet.
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Service‑Friendly Features
Factory‑installed components such as the filter drier, sweat service valves, and easy‑access control panel help HVAC technicians perform installation and maintenance with minimal hassle.
Q&A
Q1: What type of HVAC system is the Goodman GLXS3BN4210?
A: The Goodman GLXS3BN4210 is a 3.5 ton outdoor air conditioner condenser used in split‑system cooling (paired with an indoor coil or air handler for full system operation).
Q2: What size and cooling capacity does it offer?
A: This unit delivers about 42,000 BTU (~3.5 tons) of cooling capacity — ideal for medium‑sized homes or spaces.
Q3: What efficiency rating does it have?
A: It has a 13.4 SEER2 (Seasonal Energy Efficiency Ratio 2) rating, achieving balanced energy performance for everyday cooling.
Q4: Which refrigerant does this air conditioner use?
A: This model uses R‑32 refrigerant, a more environmentally friendly refrigerant with lower global warming potential.
Q5: What kind of compressor and operation does it feature?
A: It features a single‑stage scroll compressor and single‑speed PSC condenser fan motor, providing reliable, straightforward cooling.
Q6: What are the build and durability highlights?
A: The unit includes a factory‑installed filter drier, sweat service valves with easy gauge access, steel louver coil guard, powder‑coat cabinet, and removable grille top for service access and long outdoors life.
Q7: What are the electrical and sound specs?
A: It operates on 208/230 V single‑phase power, typically requiring a ~30 A breaker, and has a typical sound level around 73 dBA.
Maintenance Tips
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Replace Air Filters Every 1–3 Months – Clean filters in the air handler maintain airflow and protect indoor coils, preserving cooling efficiency.
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Keep Outdoor Condenser Clear – Remove leaves, grass, and debris around the outdoor unit and gently rinse the coil with a garden hose to maintain heat transfer and airflow.
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Annual Coil Cleaning – Have a technician clean both condenser and evaporator coils annually to prevent dirt buildup that lowers SEER2 performance.
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Inspect Refrigerant Lines & Insulation – Ensure R32 lines are well‑insulated and checked for leaks; correct levels support efficient operation.
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Check Electrical Components Yearly – A pro should test capacitors, contactors, and connections for wear or corrosion to avoid failures.
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Maintain Unit Clearance & Level Pad – Keep ~2–3 ft of space around the condenser and ensure it’s level to support airflow and long‑term durability.
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Schedule Annual Professional Maintenance – Professional tune‑ups before peak cooling seasons help optimize performance, check pressures, and uphold warranties.
Damage 
Loss 
Theft 
