Review
The Goodman 3.5-ton system occupies a practical middle ground in the HVAC market, balancing efficiency gains against reasonable pricing. Online Supply positions this unit as a direct competitor to mid-range equipment from Lennox and Carrier, offering contractors and homeowners a viable path forward without premium brand costs. At 736 dollars, this represents solid value for a matched furnace-condenser pair rather than purchasing components separately.
Performance specs reveal genuine two-stage capability across both heating and cooling. The furnace delivers 80,000 BTU output with 96% AFUE, meaning 96 cents of every fuel dollar converts to heat, versus 80-85 cents in single-stage systems. The condenser produces 35,000 BTU cooling at 18 SEER2 efficiency with scroll compressor technology and variable-speed ECM blower. The 71 dB noise level rates acceptable for residential placement, though not class-leading.
Pros & Cons
Pros
- 96% AFUE furnace efficiency reduces heating fuel consumption by 15-20% versus 80% AFUE equipment
- 18 SEER2 condenser with two-stage compressor and variable-speed ECM blower cuts cooling costs significantly
- Scroll compressor design runs quieter at 71 dB and handles partial-load operation efficiently
- Two-stage burner adapts heating output to actual demand, improving comfort and efficiency
- PVC/plastic flue compatibility simplifies installation and retrofit projects versus metal ductwork
- 10-year warranty with online registration provides solid coverage at this price point
Cons
- Title lists 17 SEER but specs show 18 SEER2, creating confusion about actual cooling performance rating
- 3.5-ton unit may oversized for homes previously served by 3-ton systems, cycling short on mild days
- R410A refrigerant phaseout means future service costs may rise for repairs after warranty expires
- 115V single-phase electrical requirement limits installation flexibility on three-phase commercial applications
Who Should Buy
Best For
Contractors replacing worn furnace-condenser pairs in residential homes and homeowners in mild to moderate climates seeking rapid ROI through reduced energy bills. This system makes sense for properties where upfront cost matters and efficiency gains will recover investment within 5-7 years.
Consider Alternatives If
Buyers in very cold climates needing auxiliary heat or those requiring three-phase power should explore alternatives better suited to extreme conditions and commercial electrical setups.
Installation
This upflow unit accepts plastic PVC flue venting, reducing installation labor versus traditional metal ductwork. The variable-speed ECM blower simplifies ductwork requirements since it adapts airflow automatically to system demand. Electrical needs 115V single-phase power with 21.3 to 35-amp breaker sizing, standard for most residential panels. Connection points use sweat valves with 3/8 inch liquid and 7/8 inch suction lines, requiring competent brazing skills.
Warranty & Reliability
Ten-year parts warranty applies with online registration, covering compressor, heat exchanger, and refrigerant lines. This warranty matches mid-tier Goodman coverage but falls short of extended 10-year compressor warranties some competitors offer. Registration is straightforward and essential, as coverage does not transfer between owners.
Specifications
| SKU | LS38783850 |
| Brand/Manufacturer | Online Supply |
| Cooling BTU | 35,000 |
| Heating BTU | 80,000 |
| Refrigerant | R410A or R22 |
| Electrical | 115 V. 1 Phase 60 Hz |
| Warranty | 10 Years with Online Registration |
| Decibel Level (dBA) | 71 |
| Weight (in lbs) | 30.000000 |
| Feature | Spec |
| Product Features | Two Stage Condenser |
| Energy Star | Yes |
| SEER1 (Efficiency) | 18 |
| 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 | 21.3 amps |
| Tonnage | 3.5 Ton |
| Valve Type | Sweat |
| 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. |
| AHRI Certificate Number | 7368835 |
| Airflow Direction | Upflow/Horizontal |
| Exhaust Flue Requirement | Plastic / PVC |
| Furnace Efficiency / AFUE | 96% |
| Blower Motor | Variable Speed - ECM |
| Maximum CFM | 1600 |
| Configuration | Upflow / Downflow |
| Flue Location | Right |
| Burner Stages | Two |
| Fuel Type | Propane, Natural Gas |
| Liquid Line | 3/8" |
| Suction Line | 7/8" |
| Style | A-Coil |
| Suction Line Insulation Thickness | 3/4" |
| Length | 50 feet |
Frequently Asked Questions
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