Review
The Goodman 3 Ton system represents the sweet spot in mid-market HVAC equipment. At $2,142, you're getting a complete gas furnace and air conditioner package with proven component reliability and straightforward installation. This upflow unit targets contractors and homeowners who need dependable performance without luxury pricing, backed by Goodman's established supply chain and parts availability across North America.
Performance metrics show solid real-world capability. The cooling side delivers 36,000 BTU across a 16 SEER rating using R410A refrigerant and a scroll compressor in two-stage configuration. On heating, the 80,000 BTU furnace runs at 80% AFUE with dual-stage burners for flexible output. The variable-speed blower reaches 2,000 CFM maximum and operates at 70.4 dB, making this appropriate for most residential settings without excessive noise complaints.
Pros & Cons
Pros
- 16 SEER rating exceeds minimum federal standards and qualifies for ENERGY STAR, reducing cooling costs by 10-15% versus older units
- Two-stage burner and two-stage compressor provide modulating comfort, reducing temperature swings and improving efficiency in mild weather
- Variable-speed blower motor adjusts CFM from low to 2000 CFM, optimizing airflow and comfort while reducing noise compared to single-speed alternatives
- 80% AFUE furnace efficiency is solid for a budget system, delivering 80,000 BTU heating capacity for mid-sized homes
- Metal exhaust flue requirement is standard and straightforward, with flexible installation options for most existing ductwork layouts
Cons
- 80% AFUE is baseline efficiency; high-efficiency systems reach 95%+ AFUE but cost significantly more upfront
- Weighing 2,500 lbs makes solo installation difficult; most contractors require two technicians or equipment for safe placement
- 70.4 dB noise level is average but noticeably louder than premium variable-speed compressor models operating at 65-68 dB
Who Should Buy
Best For
Homeowners replacing 10+ year old systems who prioritize upfront affordability and contractors handling volume residential work where value matters. This system fits homes with 2,500-3,500 square feet needing balanced heating and cooling without premium-tier costs.
Consider Alternatives If
Buyers in extremely cold climates should consider higher AFUE units, and noise-sensitive homeowners should audition quieter compressor designs before committing.
Installation
This upflow unit measures 26 inches tall, 21 inches wide, and 21 inches deep, fitting standard return air closets and utility spaces. Installation requires 208/230V single-phase 60Hz power with breaker sizing between 21.8 and 35 amps. Metal exhaust flue is mandatory. Connection points use 3/8-inch liquid and 3/4-inch suction lines with sweat-type valves, requiring basic refrigerant handling and standard HVAC tools.
Warranty & Reliability
Goodman includes a 10-year warranty with online registration, covering parts and compressor against defects. This is competitive for the price tier and reflects manufacturer confidence in durability. Registration is essential to activate coverage, so documentation should be completed immediately after installation to protect your investment.
Specifications
| SKU | TX3N4 |
| Brand/Manufacturer | Goodman |
| Cooling BTU | 36,000 |
| Heating BTU | 80,000 |
| Refrigerant | R410A |
| Electrical | 208 / 230 V. 1 Phase 60 Hz |
| Warranty | 10 Years with Online Registration |
| Decibel Level (dBA) | 70.4 |
| Weight (in lbs) | 2.500000 |
| Feature | Spec |
| AHRI Certificate Number | 204633302 |
| Airflow Direction | Upflow/Horizontal |
| Exhaust Flue Requirement | Metal |
| Furnace Efficiency / AFUE | 80% |
| Blower Motor | Variable Speed |
| Maximum CFM | 2000 |
| Configuration | Upflow / Downflow |
| Burner Stages | Two |
| Fuel Type | Propane, Natural Gas |
| Height | 26" |
| 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 | Yes |
| SEER1 (Efficiency) | 16 |
| 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 | 21.8 amps |
| Tonnage | 3.5 Ton |
| Valve Type | Sweat |
| Liquid Line | 3/8" |
| Suction Line | 3/4" |
| Style | A-Coil |
Frequently Asked Questions
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