Description
The Goodman GPGM3 is an all-in-one packaged gas/electric system rated at 13.4 SEER2 cooling and up to 81% AFUE gas heating, available in 2 to 5-ton sizes with multiple heating input options at several tonnages to fine-tune the heating-to-cooling match. It combines the cooling and heating sections into a single cabinet for simplified installation, and is convertible for horizontal or downflow ductwork applications. The unit uses R-32 refrigerant.
At the core is a corrosion-resistant, dual-diameter T-140 aluminized-steel tubular heat exchanger paired with a high-efficiency single-stage scroll compressor for dependable, consistent performance. A multi-speed ECM indoor blower motor circulates air efficiently, and an all-aluminum evaporator coil pairs with a copper tube/aluminum fin condenser coil to maximize surface area and heat transfer.
Power-assisted combustion and a direct spark ignition system — controlled by a microprocessor-based control that manages the entire ignition sequence, blower operation, and safety circuits with self-diagnostics — deliver dependable, low-maintenance heating. All models comply with California’s standard 40 ng/J low-NOx emissions standard; this furnace does not meet the SCAQMD Rule 1111 or SJVAPCD Rule 4905 Ultra-Low NOx thresholds and is not eligible for those installation districts.
The fully insulated, zinc-coated steel cabinet includes a compressor sound blanket for quieter operation and access panels for faster installation, and when properly anchored, meets Florida Building Code requirements for hurricane-type wind integrity. The unit ships configured for natural gas, with an optional propane conversion kit available for field installation.
Designed, engineered, and assembled in the USA. AHRI Certified, ETL Listed. Backed by a 10-year parts limited warranty and 20-year heat exchanger limited warranty, requiring online registration within 60 days of installation (registration requirements vary by state).
Select the correct tonnage and heating input below based on your Manual J load calculation.
Features:
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13.4 SEER2 / up to 81% AFUE packaged gas/electric unit — available in 2 to 5-ton sizes, multiple heating inputs per tonnage
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All-in-one cabinet combines cooling and gas heating for simplified installation
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Corrosion-resistant, dual-diameter T-140 aluminized-steel tubular heat exchanger
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High-efficiency single-stage scroll compressor
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Multi-speed ECM indoor blower motor
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All-aluminum evaporator coil; copper tube/aluminum fin condenser coil
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Power-assisted combustion with direct spark ignition and microprocessor-based self-diagnostic control
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Convertible airflow: horizontal or downflow application
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Complies with California’s standard 40 ng/J low-NOx standard (not SCAQMD/SJVAPCD eligible)
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Fully insulated, zinc-coated steel cabinet with compressor sound blanket and access panels
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Meets Florida Building Code hurricane wind integrity requirements when properly anchored
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Configured for natural gas; propane conversion kit available
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AHRI Certified | ETL Listed | Made in USA
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10-year parts warranty, 20-year heat exchanger warranty (registration required)







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