Review
The Goodman TX5N4 is a practical choice for contractors and homeowners managing real-world installation constraints. This 4-ton horizontal furnace delivers 120,000 BTU heating capacity in a compact 24.5 inch by 26 inch footprint, making it genuinely useful for tight attic and crawlspace applications where standard upflow units won't fit. Goodman positions this unit in the midmarket, offering solid efficiency without premium branding costs. It's ENERGY STAR certified and backed by a 10-year warranty with registration.
Performance specs demonstrate genuine efficiency gains. The 97% AFUE rating means nearly all fuel converts to heat, minimizing waste compared to older 80-85% units. A modulating burner fires at varying capacities rather than cycling on and off, reducing temperature swings and maintaining comfort. The variable-speed ECM blower motor adjusts CFM automatically, using less electricity during partial-load conditions. The air conditioning side provides 48,000 BTU cooling with R410A refrigerant, though the 15 SEER cooling rating trails higher-end competitors.
Pros & Cons
Pros
- 97% AFUE efficiency rating with modulating burner technology minimizes fuel waste and heating cycles
- Variable-speed ECM blower motor provides precise airflow control at 2000 CFM maximum
- PVC exhaust flue requirement allows flexible, cost-effective venting compared to rigid metal options
- Horizontal configuration solves installation challenges in cramped attics, basements, or crawlspaces
- Energy Star certified with 10-year warranty when registered online
Cons
- Spec sheet lists 15 SEER cooling efficiency but SEER1 shows 16, creating documentation confusion
- Horizontal-only orientation limits flexibility if future upflow conversion becomes necessary
- 74 dB noise level exceeds many competitive models, potentially noticeable in finished spaces
Who Should Buy
Best For
Contractors replacing furnaces in existing homes with horizontal configurations, and homeowners in areas like Texas or the Midwest seeking reliable high-efficiency heating without premium-brand pricing. This unit works particularly well for retrofits where ductwork already accommodates horizontal flow.
Consider Alternatives If
Buyers needing only upflow installation should look at standard vertical configurations, and those prioritizing whisper-quiet operation should compare models rated below 70 dB.
Installation
Horizontal installation requires right-side flue location and PVC exhaust venting, which contractors appreciate for routing flexibility. The unit accepts 208/230V single-phase power at 27.7 to 45 amps, matching most residential electrical panels without upgrades. Compact dimensions fit difficult spaces where conventional furnaces fail. Proper horizontal ductwork clearance and support framing are essential for reliable operation and longevity.
Warranty & Reliability
Goodman provides 10-year parts coverage upon online registration, a solid commitment for a midmarket unit. This covers compressor failure and component defects but excludes routine maintenance and wear items. Registration is straightforward and critical, as coverage requires proof of activation. Compare this against premium brands offering 12-year warranties, though repair costs typically run lower.
Specifications
| SKU | TX5N4 |
| Brand/Manufacturer | Goodman |
| Cooling BTU | 48,000 |
| Heating BTU | 120,000 |
| Refrigerant | R410A |
| Electrical | 208 / 230 V. 1 Phase 60 Hz |
| Warranty | 10 Years with Online Registration |
| Decibel Level (dBA) | 74 |
| 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 | Horizontal |
| Flue Location | Right |
| Energy Star | Yes |
| Burner Stages | Modulating |
| Fuel Type | Propane, Natural Gas |
| Height | 24.5" |
| Width | 26" |
| Depth | 21.125" |
| Resources | CHPF Installation Manual CHPF 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 | 7/8" |
| Max Breaker Size | 45 amps |
| Min. Breaker Size | 27.7 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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