Review
The Goodman 3-ton system combines a 97% AFUE furnace with an Energy Star qualified 16 SEER air conditioner in a compact A-coil configuration. Priced at $643, it occupies the practical middle ground between budget equipment and high-efficiency premium models. The 80,000 BTU furnace uses modulating burners to match heating demand, while the 34,800 BTU condenser handles cooling across 3-ton residential applications. This Upflow/Horizontal orientation makes it suitable for attics and basements where space constraints eliminate larger equipment.
Performance specs show the modulating furnace adjusts input intelligently rather than cycling on-off, reducing temperature swings and overshooting. The variable-speed ECM blower runs at 1200 CFM maximum but ramps down during partial-load conditions, conserving electricity. The 16 SEER condenser with scroll compressor targets homes in moderate climates where cooling demands rarely peak. At 73.5 dB, noise levels are acceptable but slightly higher than variable-capacity competitors, noticeable when condenser cycles on from adjacent rooms.
Pros & Cons
Pros
- 97% AFUE furnace with modulating burners reduces energy waste compared to single-stage competitors
- Variable-speed ECM blower motor improves comfort and efficiency by adjusting airflow to actual heating/cooling demand
- 16 SEER condenser exceeds minimum SEER2 standards for current efficiency regulations
- Compact 34.5 inch height fits tight attic and basement spaces where full-size units won't
- Scroll compressor delivers reliable operation with low maintenance over 10-year warranty period
Cons
- 73.5 dB noise level runs slightly louder than high-end variable-capacity models, noticeable from adjacent rooms
- Single-stage condenser cannot modulate cooling like premium systems, less efficient on mild days
- R410A refrigerant support only, no backwards compatibility with older R22 systems despite spec listing
Who Should Buy
Best For
Contractors and homeowners upgrading from 13-14 SEER systems who need reliable, efficient equipment at under $650. This works especially well for moderate climates where single-stage cooling performs adequately and the high-efficiency furnace maximizes winter savings.
Consider Alternatives If
Buyers in extreme climates who need two-stage cooling, those requiring premium quietness below 70 dB, or anyone wanting the latest communicating thermostats and variable refrigerant flow technology.
Installation
Installation requires 115V single-phase power with 18.7 to 30-amp breaker sizing, standard in residential electrical service. Suction and liquid refrigerant lines use 7/8 inch and 3/8 inch connections respectively, with 3/4 inch insulation on suction lines included. Exhaust flue must be PVC or plastic, not metal ductwork. Goodman provides detailed installation manuals and the AHRI certificate number 7424265 ensures contractor and equipment compatibility verification.
Warranty & Reliability
The 10-year warranty requires online registration to activate full coverage, protecting against manufacturing defects in compressor, heat exchanger, and components. This aligns with industry standards for mid-tier equipment and provides confidence for systems installed by qualified technicians. Registration should be completed within 30 days of purchase to avoid claims denial.
Specifications
| SKU | LS38783850 |
| Brand/Manufacturer | Online Supply |
| Cooling BTU | 34,800 |
| Heating BTU | 80,000 |
| Refrigerant | R410A or R22 |
| Electrical | 115 V. 1 Phase 60 Hz |
| Warranty | 10 Years with Online Registration |
| Decibel Level (dBA) | 73.5 |
| Weight (in lbs) | 30.000000 |
| Feature | Spec |
| Energy Star | Yes |
| 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 Ton |
| Height | 34.5" |
| Width | 17.5" |
| 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 | 7424265 |
| Airflow Direction | Upflow/Horizontal |
| Exhaust Flue Requirement | Plastic / PVC |
| Product Features | Rebate Available |
| Furnace Efficiency / AFUE | 97% |
| Blower Motor | Variable Speed - ECM |
| Maximum CFM | 1200 |
| Burner Stages | Modulating |
| Fuel Type | Propane, Natural Gas |
| Suction Line Insulation Thickness | 3/4" |
| Length | 50 feet |
Frequently Asked Questions
Affiliate disclosure: IndustrialRank earns a commission on qualifying purchases at no extra cost to you. We only recommend products we have independently reviewed.