Review
The Goodman 3.5-ton furnace and AC combo represents a no-frills entry point into efficient climate control. At $647, this upflow unit targets homeowners and contractors seeking reliable performance without luxury pricing. Online Supply positions this as an accessible upgrade from aging 13 SEER and 75% AFUE equipment. The system combines standard Goodman reliability with Energy Star qualification, though it sits firmly in the practical tier rather than the premium efficiency segment.
Heating output reaches 42,000 BTU with 80% AFUE efficiency across two burner stages, while cooling delivers matching 42,000 BTU capacity at 16 SEER. The multi-speed blower handles up to 2,000 CFM, improving air distribution compared to single-speed alternatives. Electric requirements stay modest at 208/230V single-phase 60 Hz with 22.4 to 35-amp breaker range. These specs deliver predictable performance for homes between 1,500 and 2,500 square feet in moderate climate zones.
Pros & Cons
Pros
- 80% AFUE furnace efficiency beats baseline equipment by meaningful margin on heating costs
- SEER 16 on cooling side provides strong seasonal efficiency for air conditioning loads
- 3.5-ton capacity covers typical single-family homes (1,500-2,500 sq ft) effectively
- Multi-speed blower motor allows better air distribution and part-load efficiency
- Two-stage burner provides heating flexibility and reduced cycling during mild weather
- Energy Star certified, qualifying for potential utility rebates in many regions
- Compact dimensions (30 x 21 x 21 inches) fit standard mechanical closets and basements
Cons
- 80% AFUE is outdated by today's standards, High-efficiency models reach 95%+ for long-term savings
- Single-stage condenser limits cooling efficiency optimization across varying outdoor temperatures
- 73 dB noise level runs slightly louder than premium competitors during operation
- No mention of variable-speed motor option, limiting part-load efficiency gains
- Requires metal exhaust flue, adding installation cost if ductwork doesn't exist
Who Should Buy
Best For
Budget-focused homeowners in moderate climates who need reliable heating and cooling without premium pricing, or contractors assembling affordable replacement packages for rental properties and builders. This system hits the sweet spot for customers prioritizing upfront cost savings over 20-year lifecycle value.
Consider Alternatives If
Energy-conscious buyers in cold climates should look at 90%+ AFUE furnaces, and homeowners wanting ultra-quiet operation should compare 68-70 dB alternatives from higher-tier manufacturers.
Installation
Installation requires metal exhaust flue ducting, which adds cost if existing infrastructure lacks proper venting. The upflow configuration fits standard mechanical closets, though the 30-inch height demands adequate clearance above the unit. Lineset sizing calls for 3/8-inch liquid line and 1 1/8-inch suction line with 1/2-inch insulation thickness. Scroll compressor design handles refrigerant switching between R410A and R22, though field technicians should confirm refrigerant charge specifications for your existing coil.
Warranty & Reliability
Goodman backs this system with a 10-year parts warranty when registered online with the manufacturer. This duration matches industry standard for mid-tier equipment. Coverage protects against compressor failure, motor defects, and coil leaks. Note that labor costs and emergency service calls fall outside warranty scope. Registration through Goodman's portal is required within 30 days of installation to activate full coverage.
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 |
| 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. |
| Airflow Direction | Upflow/Horizontal |
| Exhaust Flue Requirement | Metal |
| Furnace Efficiency / AFUE | 80% |
| Blower Motor | Multi-Speed |
| Maximum CFM | 2000 |
| Configuration | Upflow / Downflow |
| Burner Stages | Two |
| 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. |
| 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 | 3.5 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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