Review
The Goodman 3 Ton Gas Furnace and Air Conditioner System represents solid mid-market engineering that refuses to apologize for its straightforward approach. At 89 dollars for the furnace component, this upflow configuration targets contractors and homeowners tired of inflated pricing for capable equipment. Goodman's reputation for producing workhorse systems without excessive frills carries through here, delivering the core functionality most installations actually require.
The 97% AFUE rating on the furnace side is genuinely impressive, with modulating burners ensuring that heating doesn't waste fuel through constant on-off cycling. On cooling, the 16 SEER rating with a two-stage condenser and scroll compressor handles 36,000 BTU at maximum load while maintaining reasonable efficiency. The variable-speed ECM blower motor running up to 2,000 CFM adapts to actual heating and cooling demands rather than blasting at full capacity continuously, reducing both energy consumption and noise output.
Pros & Cons
Pros
- Exceptional heating efficiency at 97% AFUE with modulating burners for precise temperature control
- 16 SEER cooling rating meets or exceeds most regional rebate requirements
- Variable-speed ECM blower motor reduces operational noise to 70.4 dB and optimizes comfort
- Two-stage condenser and scroll compressor provide dependable performance in real-world conditions
- Plastic/PVC exhaust flue compatibility simplifies installation compared to metal ductwork requirements
- Energy Star certified with 10-year warranty through online registration
Cons
- Tonnage inconsistency in specs, tonnage shows 5 ton while specs reference 3 ton, creating potential confusion for installers
- 70.4 dB decibel level is moderately loud and may be noticeable in quiet residential settings
- R410A refrigerant requires specialized technician training that not all contractors possess
Who Should Buy
Best For
Homeowners in heating-dominant climates seeking a dependable combined system at genuine savings, and contractors building spec homes or rental properties where reliability matters more than cutting-edge features. This unit excels for properties in zones 4 and 5 where heating costs dominate the annual bill.
Consider Alternatives If
Anyone in high-humidity southern climates where cooling demands exceed heating needs should consider a unit with higher SEER ratings, or buyers unwilling to register their warranty online to access the full 10-year coverage.
Installation
Installation complexity is moderate, benefiting from PVC flue compatibility that eliminates costly metal ductwork requirements. The unit accepts both natural gas and propane, providing flexibility across regions. Electrically, it requires 208-230V single-phase power with a 21.8 to 35 amp breaker, standard for most homes. Technicians should verify refrigerant handling certification for R410A work and confirm upflow configuration matches the existing ductwork layout.
Warranty & Reliability
Ten years of parts coverage arrives with online registration, a smart move that protects buyers while encouraging product registration that helps Goodman track performance data. This warranty is competitive for the price point and covers manufacturing defects during normal operation. Coverage extends across the complete system, though registration is mandatory to activate the full term.
Specifications
| SKU | TX3N4 |
| Brand/Manufacturer | Goodman |
| Cooling BTU | 36,000 |
| Heating BTU | 120,000 |
| 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 | 7424268 |
| Airflow Direction | Upflow/Horizontal |
| Exhaust Flue Requirement | Plastic / PVC |
| Product Features | Rebate Available |
| Furnace Efficiency / AFUE | 97% |
| Blower Motor | Variable Speed - ECM |
| Maximum CFM | 2000 |
| Configuration | Upflow / Downflow |
| Flue Location | Right |
| Energy Star | Yes |
| Burner Stages | Modulating |
| Fuel Type | Propane, Natural Gas |
| Height | 30" |
| Width | 24.5" |
| 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. |
| 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 | 5 Ton |
| Valve Type | Sweat |
| Liquid Line | 3/8" |
| Suction Line | 7/8" |
| Style | A-Coil |
Frequently Asked Questions
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