Review
The Goodman 3.5 ton system sits squarely in the value segment of the HVAC market, offering contractors and homeowners a straightforward, no-frills approach to heating and cooling. With an 80,000 BTU furnace and 42,000 BTU cooling capacity, this unit handles moderate residential loads competently. The two-stage heating and single-stage cooling design prioritize reliability over sophistication, making it a practical choice for replacement jobs where budget constraints matter.
Performance metrics tell a practical story here. The 80% AFUE furnace rating beats decade-old equipment by meaningful margins, translating to real heating cost reductions. On the cooling side, the 13 SEER rating delivers standard mid-tier efficiency, though it trails premium 16+ SEER models. The high-efficiency multi-speed blower operates at 2,000 CFM maximum, adjusting to load requirements rather than running at constant speed. Operating voltage is 208/230V single-phase at 60 Hz, with electrical requirements between 23.9 and 40 amps depending on configuration.
Pros & Cons
Pros
- Two-stage burner heating with 80,000 BTU output provides better temperature control than single-stage units
- 13 SEER cooling efficiency meets baseline Energy Star standards and beats older systems by 30 percent
- High-efficiency multi-speed blower motor reduces energy waste and improves comfort consistency
- Compact 30x21x21 inch footprint fits tight utility closets and basement spaces
- 10-year warranty with online registration covers both heating and cooling components
Cons
- 80% AFUE is solid but not exceptional, missing high-efficiency models that reach 95 percent AFUE
- Single-stage condenser limits cooling modulation in moderate weather, running at full capacity instead of ramping down
- R22 refrigerant compatibility adds long-term cost since R22 supplies are becoming scarce and expensive
Who Should Buy
Best For
Homeowners replacing 15-plus year old systems who prioritize affordability over premium efficiency gains, and contractors installing budget systems for rental properties or price-sensitive customers. This unit makes financial sense in moderate climates where heating and cooling loads are balanced.
Consider Alternatives If
Buyers in extreme climates needing maximum efficiency, those with high utility costs seeking rapid payback on upgrades, or customers wanting the latest variable-capacity technology.
Installation
The upflow configuration handles standard basement and closet installations without major ductwork modifications. The unit weighs 30 pounds, making it manageable for two-person crews. Metal flue exhaust requirements are straightforward, and the compact 30x21x21 inch dimensions fit most existing furnace spaces. Refrigerant lines use standard 3/8 inch liquid and 7/8 inch suction connections with sweat valve fittings, requiring certified technicians for proper brazing and evacuation.
Warranty & Reliability
The 10-year warranty covering parts and labor requires online registration to activate. Goodman includes dedicated evaporator coil protection under separate terms. This coverage aligns with industry standard mid-tier warranties, offering reasonable protection against defects but excluding refrigerant charges, service calls, and labor after the first year in many markets. Registration is simple and typically takes five minutes online.
Specifications
| SKU | LS38783830 |
| Brand/Manufacturer | Online Supply |
| Cooling BTU | 42,000 |
| Heating BTU | 80,000 |
| Refrigerant | R410A or R22 |
| Electrical | 208 / 230 V. 1 Phase 60 Hz |
| Warranty | 10 Years with Online Registration |
| Decibel Level (dBA) | 75 |
| Weight (in lbs) | 30.000000 |
| Feature | Spec |
| Airflow Direction | Upflow/Horizontal |
| Exhaust Flue Requirement | Metal |
| Furnace Efficiency / AFUE | 80% |
| Blower Motor | High Efficiency Multi-Speed |
| Maximum CFM | 2000 |
| Configuration | Upflow / Downflow |
| Burner Stages | Two |
| Fuel Type | Gas |
| Height | 30" |
| Width | 21" |
| Depth | 21" |
| Resources | CAPF Installation Manual CAPF 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. |
| Energy Star | No |
| SEER1 (Efficiency) | 13 |
| Condenser Stages | Single Stage |
| Compressor Type | Reciprocating |
| Liquid Line | 3/8" |
| Suction Line | 7/8" |
| Liquid Valve Size | 3/8" |
| Max Breaker Size | 40 amps |
| Min. Breaker Size | 23.9 amps |
| Tonnage | 5 Ton |
| Valve Type | Sweat |
| Style | A-Coil |
| Suction Line Insulation Thickness | 3/8" |
| Length | 30 feet |
Frequently Asked Questions
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