Review
The Goodman 3 Ton upflow gas furnace and air conditioner system represents solid middle-ground equipment for residential HVAC replacements. This split system combines a high-efficiency gas furnace with an air-conditioned condenser unit, both engineered to modern efficiency standards. Goodman maintains strong market presence through HVAC wholesalers, and this particular configuration appears positioned as a value option for homeowners seeking energy-efficient cooling and heating without premium-brand pricing.
Performance numbers align with current efficiency baselines. The furnace achieves 97% AFUE through modulating burner stages, meaning the system fires at variable capacity rather than simple on-off cycling. The air conditioner condenser delivers 18 SEER2 efficiency with a two-stage scroll compressor running at 71 decibels. The variable-speed ECM blower motor ramps between 0 and 1,600 CFM, matching airflow to actual demand. Cooling output lists as 35,000 BTU with heating at 80,000 BTU, though tonnage specifications conflict between 3 and 5 ton ratings.
Pros & Cons
Pros
- 97% AFUE furnace with modulating burner stages minimizes cycling losses and provides consistent comfort
- 18 SEER2 rating on condenser exceeds minimum federal standards by significant margin
- Variable-speed ECM blower motor adjusts airflow from 0 to 1,600 CFM, reducing noise and energy use
- Two-stage scroll compressor delivers quiet operation at 71 dB, suitable for residential settings
- 10-year warranty with online registration covers parts and provides peace of mind
Cons
- Spec sheet lists conflicting tonnage, claiming both 3 ton and 5 ton capacity, creating uncertainty about actual cooling output
- Limited to R410A refrigerant, which will eventually be phased out in favor of R32 or R454B alternatives
- Pricing appears inconsistent with typical market rates for complete split systems, suggesting possible incomplete package or clearance item
Who Should Buy
Best For
Homeowners replacing aging furnace-AC combos who want reliable performance without premium pricing, and HVAC contractors seeking dependable equipment for residential replacements in moderate climates. The modulating furnace and variable blower make this ideal for zones where heating and cooling demands fluctuate seasonally.
Consider Alternatives If
Buyers in very hot climates needing maximum cooling capacity should verify the actual tonnage before committing, as the specs contain conflicting information.
Installation
This upflow configuration suits closet or basement installation with A-coil positioning. Requires standard 115V, 1-phase electrical service with breaker sizing between 21.3 and 35 amps. PVC or plastic exhaust flue venting is acceptable. Suction line arrives pre-insulated at 3/4 inch thickness, and liquid lines use 3/8 inch sweat connections. Standard split-system installation applies, though tonnage confusion should be clarified with supplier before beginning work.
Warranty & Reliability
Goodman provides 10-year parts coverage when you complete online registration. This is standard for mid-tier residential equipment and covers compressor failure, electrical components, and mechanical damage. Registration typically requires proof of purchase and professional installation documentation. Coverage does not include refrigerant or labor costs, which remain homeowner responsibility.
Specifications
| SKU | LS38783850 |
| Brand/Manufacturer | Online Supply |
| Cooling BTU | 35,000 |
| Heating BTU | 80,000 |
| Refrigerant | R410A |
| Electrical | 115 V. 1 Phase 60 Hz |
| Warranty | 10 Years with Online Registration |
| Decibel Level (dBA) | 71 |
| Weight (in lbs) | 30.000000 |
| Feature | Spec |
| Product Features | Two Stage Condenser |
| Energy Star | Yes |
| SEER1 (Efficiency) | 18 |
| Condenser Stages | Two Stage |
| Compressor Type | Scroll |
| Liquid Valve Size | 3/8" |
| Suction Valve Size | 3/4" |
| Max Breaker Size | 35 amps |
| Min. Breaker Size | 21.3 amps |
| Tonnage | 5 Ton |
| Valve Type | Sweat |
| Height | 34.5" |
| Width | 21" |
| Depth | 28.75" |
| Resources | Goodman Brochure Goodman Installations Instructions Goodman Parts Manual Goodman Service Manual Goodman Specifications Goodman Technical Information Goodman User Information Goodman 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. |
| Configuration | Upflow/Horizontal |
| Liquid Line | 3/8" |
| Suction Line | 7/8" |
| Style | A-Coil |
| AHRI Certificate Number | 7424266 |
| Airflow Direction | Upflow/Horizontal |
| Exhaust Flue Requirement | Plastic / PVC |
| Furnace Efficiency / AFUE | 97% |
| Blower Motor | Variable Speed - ECM |
| Maximum CFM | 1600 |
| Burner Stages | Modulating |
| Fuel Type | Propane, Natural Gas |
| Suction Line Insulation Thickness | 3/4" |
| Length | 50 feet |
Frequently Asked Questions
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