Review
The Goodman 3-ton horizontal split system occupies a solid middle ground in the residential HVAC market. At $89 with 16 SEER efficiency and ENERGY STAR certification, it targets budget-conscious contractors and homeowners who prioritize operational cost savings over premium features. The horizontal A-coil configuration makes it practical for attic installations where space constraints limit vertical options. Goodman's reputation for reliability, while not premium-tier, remains respectable among contractors handling volume installations.
Performance metrics reveal a capable but not exceptional unit. The scroll compressor delivers 36,000 BTU cooling capacity with two-stage operation, meaning it runs at reduced capacity during mild weather for better efficiency. The variable-speed ECM blower motor adapts between 0 and 1,600 CFM maximum output, eliminating the on-off cycling that reduces comfort and efficiency. At 70.4 dBA, it's moderately audible but acceptable for most installations. The R410A refrigerant and 208/230V single-phase electrical design fit standard residential applications.
Pros & Cons
Pros
- 16 SEER1 efficiency rating qualifies for ENERGY STAR, reducing operating costs significantly
- Variable-speed ECM blower motor maximizes comfort by modulating airflow based on actual cooling demand
- Two-stage scroll compressor handles partial-load cooling efficiently, extending equipment lifespan
- Sweat valve connections simplify installation for experienced techs without special fittings
- 10-year warranty with online registration provides solid coverage for mid-range equipment
- Horizontal A-coil configuration works well in attic and closet spaces with limited height
Cons
- Noise level of 70.4 dBA is moderately loud, higher than premium units, making it less ideal for bedroom proximity
- Tonnage discrepancy exists: labeled as 3-ton with 36,000 BTU but specs list 3.5-ton capacity, creating confusion
- Limited to 208/230V single-phase, excluding installations requiring three-phase power common in commercial retrofits
- Entry-level Goodman brand lacks the longevity reputation of premium manufacturers like Carrier or Lennox
Who Should Buy
Best For
Contractors handling residential replacement jobs in mild-to-moderate climates will appreciate the straightforward installation and competitive pricing. Homeowners upgrading aging 3-ton systems on tight budgets will see measurable energy bill reductions from the 16 SEER efficiency.
Consider Alternatives If
Skip this if you need whisper-quiet operation, live in extreme heat climates requiring true tonnage capacity, or prefer established premium brands with extended warranties.
Installation
Installation suits contractors comfortable with standard split-system procedures. The sweat valve connections use 3/8 inch liquid lines and 7/8 inch suction lines, eliminating flange fittings. Electrical requirements demand a 21.8 amp minimum breaker rated for 208/230V single-phase at 60 Hz. The unit weighs 2,500 pounds, requiring proper rigging for attic placement. Horizontal configuration simplifies mounting but demands careful condensate drainage design.
Warranty & Reliability
Goodman provides a 10-year parts warranty when you register online. This covers compressor, components, and refrigerant, though labor is excluded. Registration is mandatory to activate full coverage, so homeowners must complete this immediately after installation. The 10-year window aligns with industry midpoint expectations, offering adequate protection without premium coverage extending beyond typical equipment lifespan.
Specifications
| SKU | TX3N4 |
| Brand/Manufacturer | Goodman |
| Cooling BTU | 36,000 |
| 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 |
| 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 | 15 amps |
| Min. Breaker Size | 21.8 amps |
| Tonnage | 3.5 Ton |
| Valve Type | Sweat |
| Height | 21" |
| Width | 21.125" |
| Depth | 26" |
| 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. |
| Blower Motor | Variable Speed - ECM |
| Maximum CFM | 1,600 |
| Electric Backup Heat Capabilities (Optional) | 3 Kilowatts, 5 Kilowatts, 6 Kilowatts, 8 Kilowatts, 10 Kilowatts, 15 Kilowatts |
| Configuration | Horizontal |
| Liquid Line | 3/8" |
| Suction Line | 7/8" |
| Style | A-Coil |
Frequently Asked Questions
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