Goodman - 3.5 Ton/42,000 BTU Heat Pump Condenser- SEER2 14.3 - Single Stage - R32 - GLZS4BA4210
The Goodman GLZS4BA4210 heat pump condenser is a standard efficiency, low-cost solution for an all-electric home when paired with a suitable heat pump coil or air handler. Just like all of Goodman's equipment, the GLZS4BA4210 is manufactured with high-quality materials to provide a superior comfort in your home.
Features
- Ideal size to cover a smaller house in ideal climates
- 3.5 ton, 14.3 SEER2 heat pump condenser
- R32: Complies with Clean Air Act New Refrigerant Requirements
- Low sound output
- Fully charged for up to 15' of line set
- Factory-installed bi-flow filter drier
Specifications
| SKU |
GLZS4BA4210 |
| Weight (in lbs) |
277.000000 |
| Brand/Manufacturer |
Goodman |
| Replaces |
GSZ140421, GSZB404210 |
| HSPF2 |
7.8 |
| Cooling BTU |
42,000 |
| Heating BTU |
42,000 |
| Blower Motor |
Single Speed PSC Motor |
| Decibel Level (dBA) |
72 |
| Horsepower |
1/4 HP |
| Refrigerant |
R32 |
| SEER2 (Efficiency) |
14.3 |
| 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 |
208/230v 1 Phase 60 Hz |
| Max Breaker Size |
30 Amps |
| Min. Breaker Size |
19.3 Amps |
| Tonnage |
3.5 Ton |
| Connection |
Sweat |
| Height |
35 3/4" |
| Width |
35 1/2" |
| Depth |
35 1/2" |
Manual
What our Experts Think
-
Balanced Year‑Round Comfort
This 3.5‑ton heat pump condenser delivers 42,000 BTU for both cooling and heating, making it well‑suited for medium‑sized homes in moderate climates where both functions are needed from one outdoor unit.
-
Solid 14.3 SEER2 Efficiency
The 14.3 SEER2 rating offers good energy performance at an affordable value point, helping reduce seasonal cooling costs compared with older systems.
-
Reliable Single‑Stage Scroll Compressor
A single‑stage scroll compressor provides steady performance and durability with fewer moving parts, keeping operation dependable and straightforward.
-
Modern R‑32 Refrigerant
Uses R‑32 refrigerant, which supports current HVAC efficiency standards and lower environmental impact versus older refrigerants.
-
Durable Construction & Quiet Operation
A heavy‑gauge galvanized steel cabinet with powder‑coat finish and steel louver coil guard protect internal components, while typical outdoor sound levels (~72 dBA) stay manageable for residential settings.
-
SmartShift® Defrost and Factory‑Installed Features
Includes SmartShift® defrost technology, filter drier, accumulator, and compressor crankcase heater—features that improve reliability and simplify maintenance.
-
Installer‑Friendly Service Access
Service valves with sweat connections and accessible gauge ports help technicians work more efficiently during installation or servicing.
-
Certified and Tested
AHRI and ETL certifications confirm compliance with performance and safety standards.
Q&A
Q: What cooling & heating capacity does this heat pump deliver?
A: This unit provides 42,000 BTU (3.5 tons) of cooling and heating capacity for year‑round comfort in medium‑sized homes or spaces.
Q: How energy efficient is it?
A: It’s rated 14.3 SEER2 for cooling and around 7.8 HSPF2 for heating, balancing good efficiency and affordable upfront cost.
Q: What refrigerant does this system use?
A: Uses R‑32 refrigerant, a more environmentally‑responsible option with lower global warming potential (GWP).
Q: What type of compressor does it have?
A: Features a single‑stage scroll compressor for dependable, straightforward operation and performance.
Q: What electrical requirements does it need?
A: Operates on 208/230 V single‑phase power, typical for residential heat pump installations.
Q: How loud is the unit during operation?
A: Runs at about 72 dB, comparable to other residential outdoor heat pumps.
Q: What features enhance durability and serviceability?
A: Includes factory‑installed filter drier, accumulator, crankcase heater, pressure switches, and easy‑access service valves, plus a heavy‑gauge galvanized steel cabinet for outdoor protection.
Q: Does this condenser require a matched indoor component?
A: Yes — this is the outdoor unit only and must be paired with a compatible indoor air handler or coil for a complete heat pump system.
Q: What warranty coverage is included?
A: Goodman typically offers a 10‑year parts and compressor limited warranty when registered after installation.
Maintenance Tips
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Clean the outdoor condenser coil regularly to remove dirt, leaves, and debris that reduce efficiency.
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Maintain 2–3 feet of clearance around the unit for proper airflow.
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Replace or clean indoor air filters every 1–3 months to ensure optimal system performance.
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Inspect refrigerant lines and insulation for damage or wear.
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Keep the condenser fan and top grille clear of debris to prevent airflow restriction.
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Check the condensate drain line periodically to avoid clogs and water buildup.
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Ensure thermostat is working properly and set for efficient heating/cooling cycles.
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Listen for unusual noises like rattling, buzzing, or squealing, which may indicate mechanical issues.
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After storms or strong winds, inspect the outdoor unit for debris or damage.
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Schedule annual professional HVAC maintenance to check refrigerant levels, electrical components, and overall system performance.
Damage 
Loss 
Theft 
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