Review
The Goodman 3-ton upflow system is a solid workhorse for HVAC contractors and homeowners managing replacement projects on tight budgets. This configuration combines a gas furnace with an air conditioning condenser into a complete package, eliminating compatibility guesswork. The system is positioned as an entry-level efficient option rather than a premium high-performance solution, making it relevant for residential retrofits across transitional climate zones.
The heating side impresses with its 96% AFUE rating and 100,000 BTU output, meaning you recover nearly all combustion energy as usable heat. The two-stage burner modulates between high and low fire, reducing waste during shoulder seasons. Cooling delivers 34,800 BTU at 16 SEER2 efficiency, adequate for 3-ton loads but delivered through a single-stage compressor that runs full-capacity without partial-load efficiency. The ECM blower motor adjusts from 0 to 1600 CFM, matching airflow to heating or cooling demand.
Pros & Cons
Pros
- Exceptional 96% AFUE furnace efficiency reduces heating costs significantly on gas utility bills
- Two-stage burner provides modulating heat output for comfort and efficiency in mild weather
- 16 SEER2 cooling efficiency qualifies for Energy Star certification and potential utility rebates
- Multi-speed ECM blower motor adapts airflow from 0 to 1600 CFM for variable comfort control
- Lightweight 30-pound furnace cabinet simplifies handling during installation and service calls
- PVC flue compatibility eliminates expensive steel venting modifications in many retrofit scenarios
Cons
- Product specs list both 15 SEER and 16 SEER2 ratings, creating confusion about actual cooling performance classification
- Single-stage condenser cannot modulate capacity, meaning it runs full output rather than adjusting to demand
- 73.5 dB noise level is audible in quiet spaces, louder than premium inverter-driven competitors
Who Should Buy
Best For
Homeowners in moderate heating climates who are replacing a failed 10+ year old system and want to maximize heating efficiency while staying under budget. Contractors managing retrofit jobs where existing ductwork is configured for upflow and customers prioritize fuel bill reduction over premium cooling features.
Consider Alternatives If
Anyone in hot climates prioritizing cooling efficiency, homes requiring whisper-quiet operation below 70 dB, or buyers who need modulating compressor technology for precision temperature control.
Installation
This system requires standard upflow installation with existing ductwork properly sized for 3-ton capacity. The 30-by-21-by-21 inch cabinet fits most utility closets and basements. PVC plastic flue venting simplifies installation compared to traditional steel ductwork, reducing labor time. Electrical connections use 208/230V single-phase 60Hz power with 18.7 to 30-amp breaker sizing. Refrigerant line set includes 50 feet of suction and liquid lines with specified valve sizes for proper cooling operation.
Warranty & Reliability
Goodman provides a solid 10-year comprehensive parts warranty upon online registration, covering compressor, heat exchanger, and major components. This protects against manufacturing defects during the critical first decade of ownership. The coverage is standard for this equipment class, though registration is mandatory to activate the full term. Extended warranties are available through some dealers for additional cost.
Specifications
| SKU | LS38783850 |
| Brand/Manufacturer | Online Supply |
| Cooling BTU | 34,800 |
| Heating BTU | 100,000 |
| Refrigerant | R410A |
| Electrical | 208 / 230 V. 1 Phase 60 Hz |
| Warranty | 10 Years with Online Registration |
| Decibel Level (dBA) | 73.5 |
| Weight (in lbs) | 30.000000 |
| Feature | Spec |
| Airflow Direction | Upflow/Horizontal |
| Exhaust Flue Requirement | Plastic / PVC |
| Furnace Efficiency / AFUE | 96% |
| Blower Motor | Multi-Speed - ECM |
| Maximum CFM | 1600 |
| Configuration | Upflow / Downflow |
| Flue Location | Right |
| Energy Star | Yes |
| Burner Stages | Two |
| Fuel Type | Gas |
| Height | 30" |
| Width | 21" |
| Depth | 21" |
| Resources | CAPT Installation Manual CAPT Specifications Sheet Goodman Evaporator Coil Warranty You will need Adobe® Acrobat® Reader to view PDF documents. |
| Safety Information | PROPOSITION 65 WARNING This product and many products on our site may contain a chemical know to the state of California to cause cancer or birth defects or other reproductive harm. For more information about Proposition 65 please Click Here. |
| SEER1 (Efficiency) | 16 |
| Condenser Stages | Single Stage |
| Compressor Type | Scroll |
| Liquid Valve Size | 3/8" |
| Suction Valve Size | 7/8" |
| Max Breaker Size | 30 amps |
| Min. Breaker Size | 18.7 amps |
| Tonnage | 3.5 Ton |
| Liquid Line | 3/8" |
| Suction Line | 7/8" |
| Style | A-Coil |
| Suction Line Insulation Thickness | 3/4" |
| Length | 50 feet |
Frequently Asked Questions
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