Goodman - 3 Ton/40,000 BTU Gas Packaged Unit - 13.4 SEER2 - Single Stage - R32 - 230V - GPGM33604031
The Goodman GPGM33604031 is a gas heat and electric AC packaged unit, ready for any application where it is not convenient to have an indoor furnace or air handler. At 13.4 SEER2 and 80% AFUE, the GPGM33604031 is an inexpensive option with a standard efficiency designed for rooftop and next-to-building applications.
Features
- 3 ton, 40,000 BTU packaged unit
- 13.4 SEER2, 80% AFUE
- Downflow or horizontal discharge installation options
- Fully charged and ready to install
- Low sound output
- Low NOx compliant
Specifications
| SKU |
GPGM33604031 |
| Weight (in lbs) |
449.000000 |
| AHRI Certificate Number |
209319532 |
| Brand/Manufacturer |
Goodman |
| Replaces |
GPG1436040M41 |
| Furnace Efficiency / AFUE |
80% |
| Cooling BTU |
34,200 BTU |
| Heating BTU |
40,000 BTU |
| Blower Motor |
Multi-Speed |
| Maximum CFM |
1200 |
| Decibel Level (dBA) |
78 decibels |
| Configuration |
Downflow/Horizontal |
| Refrigerant |
R32 |
| SEER2 (Efficiency) |
13.4 |
| Condenser Stages |
Single Stage |
| Compressor Type |
Scroll |
| Electrical |
208 / 230 V. 1 Phase 60 Hz |
| Max Breaker Size |
35 amps |
| Tonnage |
3 Ton |
| Fuel Type |
Natural Gas |
| Height |
34 1/2" |
| Width |
47" |
| Depth |
51" |
Manual
What our Experts Think
-
All‑in‑one comfort solution: This 3‑ton (40,000 BTU) gas packaged unit integrates heating and cooling in a single outdoor cabinet—great for homes with limited indoor mechanical space.
-
Balanced efficiency: 13.4 SEER2 cooling and integrated gas heat deliver respectable energy performance for a packaged unit, helping reduce utility costs versus older systems.
-
Straightforward, reliable operation: The single‑stage compressor and gas heat provide dependable, uncomplicated performance—ideal for homeowners who prefer simplicity and durability.
-
Modern refrigerant design: Uses R‑32 refrigerant, offering improved efficiency and lower environmental impact compared with many legacy refrigerants still in older HVAC units.
-
Installer‑friendly design: Factory‑installed components and accessible service points help speed up installation and maintenance, saving time and labor.
-
Built for longevity outdoors: Rugged cabinet construction with weather‑resistant finishes helps protect internal components from the elements.
Q&A
Q: What is the capacity of this Goodman gas packaged unit?
A: This unit provides 3 tons of cooling with around 34,200–33,800 BTU AC output and 40,000 BTU of natural gas heating — a complete all‑in‑one HVAC solution.
Q: What are the efficiency ratings?
A: It delivers 13.4 SEER2 cooling efficiency and around 80–81 % AFUE heating efficiency, offering standard energy performance for year‑round comfort.
Q: What type of refrigerant does it use?
A: The GPGM33604031 is factory‑charged with R‑32 refrigerant, which improves heat transfer and reduces environmental impact compared to older options.
Q: Is the unit single‑stage or multi‑stage?
A: It’s a single‑stage packaged HVAC unit, providing steady, reliable heating and cooling output.
Q: What installation configurations are supported?
A: Designed for downflow or horizontal installation, making it versatile for rooftop, slab, or retrofit applications.
Q: What are the electrical requirements?
A: The unit runs on 208–230 V single‑phase 60 Hz power, typical for residential and light commercial systems.
Q: What type of blower and compressor are included?
A: It features a multi‑speed ECM blower motor and single‑stage scroll compressor for durable performance and efficient airflow.
Maintenance Tips
-
Replace or clean air filters every 1–3 months to maintain airflow and system efficiency.
-
Keep the outdoor unit clear of debris such as leaves, dirt, and grass for proper airflow.
-
Maintain at least 2–3 feet of clearance around the unit for optimal performance.
-
Inspect refrigerant lines and insulation for wear or damage.
-
Check thermostat settings to ensure efficient single-stage operation.
-
Rinse condenser coils periodically to remove dust and dirt buildup.
-
Schedule annual professional maintenance to inspect burners, heat exchanger, refrigerant levels, and electrical components.
Damage 
Loss 
Theft 
