Review
The Goodman 3-ton gas furnace and air conditioning system represents the backbone of HVAC contractor inventories across North America. This upflow configuration delivers 100,000 BTU heating capacity paired with 36,000 BTU cooling, serving small to mid-sized homes effectively. With a 92% AFUE furnace and 14 SEER condenser, it occupies the practical middle ground between budget and premium tiers, offering predictable performance without exotic features or cutting-edge efficiency.
Performance specs confirm competent engineering. The 92% AFUE furnace converts nearly all fuel to usable heat, reducing winter operating costs versus older 80% units. The 14 SEER cooling with scroll compressor and single-stage design provides reliable air conditioning in moderate climates, though newer competitors achieve 15-16 SEER. The multi-speed blower motor ranging to 2000 CFM enables better control over airflow, critical for managing temperature swings and humidity in real homes. Electrical requirements of 208/230v single-phase at 18.7-30 amps fit standard residential service.
Pros & Cons
Pros
- 92% AFUE furnace exceeds baseline efficiency, meaning better winter heating performance and lower gas bills
- 14 SEER cooling rating is solid for mid-market applications, delivering reasonable AC efficiency
- Multi-speed blower motor adjusts airflow between 0-2000 CFM, improving comfort and humidity control
- PVC exhaust flue compatibility simplifies installation in many residential setups
- 10-year warranty with online registration provides meaningful protection without premium cost
Cons
- 14 SEER is now standard, not premium, as newer systems push toward 15-16 SEER ratings
- Single-stage burner and compressor limit partial-load efficiency compared to modulating alternatives
- 73 dBA noise level is audible during operation and higher than many current models
Who Should Buy
Best For
Contractors and homeowners replacing older systems in moderate climates who want proven Goodman reliability without paying premium prices. Ideal for properties where 3-ton capacity fits existing ductwork and where energy codes don't mandate ENERGY STAR qualification.
Consider Alternatives If
Buyers in extreme climates, very tight homes, or those prioritizing cutting-edge efficiency should look at higher SEER systems or modulating alternatives.
Installation
Installation flexibility is a genuine strength. The upflow/downflow configuration accommodates various duct arrangements, while PVC flue compatibility eliminates costly venting modifications. The 26-inch height and compact 21x21-inch footprint fit tight mechanical closets. Suction and liquid lines at 3/4-inch and 3/8-inch respectively follow industry standard sizing. Plan 30 feet of pre-insulated refrigerant lines with 3/4-inch suction insulation. Most licensed technicians complete installation in 6-8 hours.
Warranty & Reliability
The 10-year parts warranty with online registration provides solid protection without premium cost. Coverage includes compressor and furnace components. This aligns with mid-market expectations. Registration is mandatory to activate, so document proof of purchase immediately. The Goodman Evaporator Coil Warranty is included separately, extending coil-specific coverage.
Specifications
| SKU | LS38343830 |
| Brand/Manufacturer | Online Supply |
| Cooling BTU | 36,000 |
| Heating BTU | 100,000 |
| Refrigerant | R410A or R22 |
| Electrical | 208 / 230v 1 Phase 60 Hz |
| Warranty | 10 Years with Online Registration |
| Decibel Level (dBA) | 73 |
| Weight (in lbs) | 35.000000 |
| Feature | Spec |
| Airflow Direction | Upflow/Horizontal |
| Exhaust Flue Requirement | Plastic / PVC |
| Furnace Efficiency / AFUE | 92% |
| Blower Motor | Multi Speed |
| Maximum CFM | 2000 |
| Configuration | Upflow / Downflow |
| Flue Location | Right |
| Burner Stages | Single |
| Fuel Type | Gas |
| Height | 26" |
| 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 Line | 3/8" |
| Suction Line | 3/4" |
| Liquid Valve Size | 3/8" |
| Suction Valve Size | 3/4" |
| Max Breaker Size | 30 Amps |
| Min. Breaker Size | 18.7 Amps |
| Tonnage | 3.5 Ton |
| Style | A-Coil |
| Suction Line Insulation Thickness | 3/4" |
| Length | 30 feet |
Frequently Asked Questions
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