Review
The Goodman 3.5 Ton combined furnace and air conditioning system targets the middle market of HVAC replacements, blending solid efficiency ratings with accessible pricing. This upflow configuration fits standard residential installations, and the A-coil design integrates cleanly with most ductwork layouts. With a 96% AFUE furnace and SEER 16 cooling capability, it positions itself as a sensible upgrade from older R22 systems while maintaining straightforward repair logistics for contractors.
Performance specs reveal capable heating and cooling delivery across the board. The furnace generates 42,000 BTU of heat output, sufficient for homes up to 2,000 square feet in moderate climates. Cooling mirrors that at 42,000 BTU capacity. The multi-speed blower reaches 2,000 CFM maximum airflow, and electrical requirements stay reasonable at 22.4 to 35 amp breaker sizing on 208/230V circuits. At 73 decibels, sound output sits at typical window unit levels, acceptable but not silent.
Pros & Cons
Pros
- 96% AFUE furnace efficiency minimizes heating fuel waste and monthly bills
- SEER 16 cooling rating exceeds the stated 14 SEER specification, providing better AC performance
- Multi-speed blower motor allows zone control and quieter operation at part loads
- Scroll compressor is durable and less prone to failure than reciprocating designs
- PVC/plastic exhaust option simplifies ductwork routing versus traditional metal flue requirements
- Energy Star certified, qualifying for utility rebates and tax credits
Cons
- Single-stage burner and condenser limit modulation, reducing comfort and efficiency in mild weather
- 73 dB noise level is moderately loud, potentially noticeable in quiet residential settings
- Spec sheet shows conflicting tonnage (3.5 Ton in title, 5 Ton in specs) creating confusion about actual cooling capacity
- R410A refrigerant handling requires EPA certification and careful installation, increasing labor costs
- Limited to 208/230V single-phase power, not compatible with three-phase commercial setups
Who Should Buy
Best For
Homeowners in climate zones 4-6 needing a dependable furnace-AC combo who prioritize steady operation over advanced features should consider this unit. It suits primary residences where reliability matters more than variable-speed luxury features.
Consider Alternatives If
Skip this if you live in very cold climates needing modulating burners, value whisper-quiet operation, or require three-phase electrical service. High-performance enthusiasts seeking dual-stage or variable-capacity systems should look at premium Goodman or competitor models.
Installation
Installation requires EPA refrigerant certification for R410A handling and proper line sizing. The 3/8 inch liquid line and 1 1/8 inch suction line demand accurate brazing and evacuation to 500 microns. PVC exhaust simplifies flue routing compared to metal pipe. Clearance dimensions of 30 inches height, 21 inches width, and depth allow standard basement or attic placement. Expect 4-6 hours for a qualified technician on replacement jobs.
Warranty & Reliability
Goodman backs this system with a 10-year parts warranty upon online registration, covering compressor, coil, and furnace components equally. This length matches mid-tier competitors and provides meaningful protection through the first decade. Registration is mandatory, so document the installation date and serial numbers immediately to activate coverage.
Specifications
| SKU | LS381183850 |
| Brand/Manufacturer | Online Supply |
| Cooling BTU | 42,000 |
| Heating BTU | 42,000 |
| Refrigerant | R410A or R22 |
| Electrical | 208 / 230 V. 1 Phase 60 Hz |
| Warranty | 10 Years with Online Registration |
| Decibel Level (dBA) | 73 |
| Weight (in lbs) | 48.000000 |
| Feature | Spec |
| 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. |
| Airflow Direction | Upflow/Horizontal |
| Exhaust Flue Requirement | Plastic / PVC |
| Furnace Efficiency / AFUE | 96% |
| Blower Motor | Multi Speed |
| Maximum CFM | 2000 |
| Configuration | Upflow / Downflow |
| Flue Location | Right |
| Burner Stages | Single |
| 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. |
| Product Features | Rebate Available |
| 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 | 35 amps |
| Min. Breaker Size | 22.4 amps |
| Tonnage | 5 Ton |
| Valve Type | Sweat |
| Liquid Line | 3/8" |
| Suction Line | 1 1/8" |
| Style | A-Coil |
| Suction Line Insulation Thickness | 1/2" |
| 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.