Review
This Goodman 3.5 ton gas furnace and air conditioner combination targets the mainstream replacement market where proven reliability matters more than premium efficiency ratings. Goodman holds strong market share among contractors for good reason: their equipment runs, parts stay available, and service techs know these systems inside out. At the mid-tier price point, this unit competes against other legacy models from Lennox, Carrier, and Rheem that also hover around 80% AFUE and 14 SEER specifications.
The heating side delivers 80,000 BTU output at 80% AFUE through a two-stage burner that adjusts flame intensity based on demand. The cooling section produces 42,000 BTU capacity with R410A refrigerant and a scroll compressor, rating 14 SEER across single-stage operation. The multi-speed blower motor adjusts CFM from minimum efficiency to 2,000 maximum, allowing contractors to match airflow to ductwork and load requirements. These specifications represent competent performance without pushing into high-efficiency territory where costs and complexity spike.
Pros & Cons
Pros
- Two-stage burner reduces temperature swings and improves comfort during mild weather operation
- 14 SEER cooling efficiency delivers reasonable performance on 3.5 ton capacity for most residential spaces
- Multi-speed blower motor optimizes airflow distribution and reduces energy waste
- 10-year warranty with online registration covers parts comprehensively
- Scroll compressor design known for durability in real-world conditions
Cons
- 80% AFUE is dated by today's standards, missing 95%+ AFUE high-efficiency market gains
- Not Energy Star certified, limiting appeal to efficiency-focused buyers and some rebate programs
- 73 dBA noise level runs louder than newer variable-speed systems
- Spec mismatch shows 3.5 ton cooling but 5 ton tonnage listed, creating confusion for sizing
Who Should Buy
Best For
Contractors replacing older systems in existing homes where ductwork is already established and budget constraints exist. Homeowners in temperate climates who prioritize reliable operation over cutting-edge efficiency and plan to stay in their homes 8-10 years.
Consider Alternatives If
Buyers seeking ENERGY STAR certification, those in cold climates needing higher AFUE ratings, or anyone prioritizing quiet operation should explore variable-speed alternatives.
Installation
Installation requires 208/230V single-phase 60Hz power with 22 to 35 amp breaker sizing. The upflow/horizontal configuration fits standard furnace closets with its 30-inch height, 21-inch width, and depth. Metal flue exhaust venting is mandatory. Refrigerant connections use 3/8-inch liquid line and 7/8-inch suction line with required 3/8-inch insulation thickness. Most licensed contractors complete installation in one day for replacement projects.
Warranty & Reliability
Goodman backs this system with a 10-year parts warranty upon online registration, a standard offering for mid-tier equipment. The warranty covers compressor and furnace components but excludes normal wear items. Registration is straightforward and extends coverage from the typical 5-year baseline. Homeowners should retain proof of purchase and registration documentation for warranty claims.
Specifications
| SKU | LS38783830 |
| Brand/Manufacturer | Online Supply |
| Cooling BTU | 42,000 |
| Heating BTU | 80,000 |
| 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) | 30.000000 |
| Feature | Spec |
| 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. |
| 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. |
| Energy Star | No |
| SEER1 (Efficiency) | 14 |
| 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 amps |
| Tonnage | 5 Ton |
| Liquid Line | 3/8" |
| Suction Line | 7/8" |
| Style | A-Coil |
| Suction Line Insulation Thickness | 3/8" |
| Length | 30 feet |
Frequently Asked Questions
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