Review
The Goodman 3.5 Ton 14 SEER system represents solid mid-market positioning for contractors and homeowners balancing efficiency with cost. This downflow configuration handles challenging basement and crawlspace installations where upflow units won't fit, while the 96% AFUE furnace and ENERGY STAR certification signal meaningful performance. At current market prices around budget equipment lines, it occupies the practical sweet spot between builder-grade units and premium variable-capacity systems that many applications don't require.
Performance specs tell a straightforward story. The furnace delivers 42,000 BTU heating at 96% efficiency, meaning minimal wasted fuel compared to 90-92% units common five years ago. The AC side matches at 42,000 BTU cooling with 14 SEER, producing 1600 CFM maximum airflow through the multi-speed blower. Real-world impact for a typical homeowner: approximately $200-300 annual heating savings versus equipment from 2015-2018, with comparable cooling efficiency gains. The 208/230V single-phase electrical requirement fits standard residential panels with 22.4-35 amp breaker sizing.
Pros & Cons
Pros
- 96% AFUE furnace efficiency exceeds most competitors in the mid-range market, reducing heating costs 10-15% versus older equipment
- 14 SEER cooling rating qualifies for ENERGY STAR certification, supporting utility rebates that often offset $300-500 of equipment cost
- PVC exhaust flue compatibility simplifies installation in basements and crawlspaces where metal venting is impractical
- Multi-speed blower motor with 1600 CFM maximum allows better temperature control and quieter operation on low speed
- Scroll compressor design proven reliable across thousands of residential installations with lower failure rates than rotary types
Cons
- Single-stage burner and condenser limit modulation, meaning less precise heating and cooling versus two-stage systems in mild weather
- 73 dBA noise level runs slightly louder than premium Goodman models, noticeable during compressor cycling near bedrooms
- R410A refrigerant pricing higher than R22 alternatives, increasing service costs if future repairs require significant charge additions
Who Should Buy
Best For
Contractors needing reliable equipment for downflow installations in basements or tight mechanical rooms will appreciate the compact 30x21x21 footprint and straightforward service specs. Homeowners in moderate climates replacing 10-13 year old systems will see meaningful energy savings from the 96% furnace efficiency without spending extra on variable-capacity options.
Consider Alternatives If
Skip this model if you need two-stage heating for extreme cold climates or live in areas with frequent temperature swings where single-stage operation causes noticeable comfort cycling.
Installation
Downflow installation requires proper ductwork below the unit, making this ideal for basements with foundation returns already present. The PVC exhaust flue simplifies venting compared to metal options, a real advantage in below-grade spaces where corrosion concerns exist. Technicians appreciate the standard 3/8 inch liquid and 1 1/8 inch suction line sizes, which match common field tools and fittings. Weight of 48 pounds allows two-person handling through standard doorways. Sweat-connection refrigerant ports require certified brazing skills.
Warranty & Reliability
Goodman backs this system with a 10-year parts warranty when registered online, a straightforward protection that covers compressor and heat exchanger failures. This duration matches most mid-tier competitors and provides reasonable peace-of-mind, though premium brands sometimes extend to 12 years. Labor costs for repairs fall on the homeowner, so service plan consideration depends on local technician availability and costs. Registration is required, so don't skip that step.
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 |
| Airflow Direction | Downflow/Horizontal |
| Exhaust Flue Requirement | Plastic / PVC |
| Furnace Efficiency / AFUE | 96% |
| Blower Motor | Multi Speed |
| Maximum CFM | 1600 |
| 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. |
| 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. |
| 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
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