Review
The Goodman 3.5-ton gas furnace and air conditioner system represents a traditional entry-level choice in the competitive HVAC replacement market. Priced as an affordable alternative to premium brands, this upflow configuration appeals to contractors and homeowners balancing installation cost against operational performance. The unit comes equipped with basic but functional components, including a two-stage burner, variable-speed blower, and reciprocating compressor, positioning it squarely in the value segment rather than the efficiency-focused tier.
Performance specifications tell a practical story. The furnace delivers 100,000 BTU heating output at 80% AFUE efficiency, which is adequate but notably below modern standards where 95% AFUE units dominate new installations. Cooling capacity reaches 42,000 BTU with 13 SEER1 efficiency, delivering acceptable seasonal performance without premium positioning. The variable-speed blower motor maxes out at 2000 CFM and requires 208/230V single-phase power. Operation registers at 75 dBA, louder than some competing models, which contractors should flag when discussing noise expectations with customers.
Pros & Cons
Pros
- Two-stage burner with variable-speed blower motor improves comfort and reduces short-cycling compared to single-stage units
- 13 SEER cooling efficiency provides decent seasonal performance for a non-premium system, meeting baseline expectations
- 100,000 BTU heating output handles 3.5-ton cooling loads appropriately for modest-sized homes
- Compact 30 x 21 x 21 inch upflow design fits standard furnace closets and tight mechanical spaces
- 10-year warranty with online registration offers reasonable protection for the price point
- Dual fuel capability (natural gas and propane) provides installation flexibility across regions
Cons
- 80% AFUE is dated by modern standards, with today's efficient units reaching 95-98% AFUE
- 13 SEER1 efficiency lacks ENERGY STAR certification, meaning no utility rebates or tax credits available
- 75 dBA noise level runs louder than quieter variable-speed competitors, noticeable during operation
- Single-stage condenser limits cooling optimization compared to two-stage systems at similar price points
- Reciprocating compressor technology is more basic than scroll compressors found in mid-tier units
Who Should Buy
Best For
Contractors building value systems for price-sensitive residential customers, or HVAC technicians servicing rental properties and investment homes where upfront cost matters more than long-term efficiency. This unit suits mild-to-moderate climates where heating and cooling demands remain moderate throughout the year.
Consider Alternatives If
Homeowners seeking ENERGY STAR certification for tax credits, buyers in extreme climates requiring high-efficiency equipment, or anyone prioritizing quiet operation and minimal utility bills over initial cost savings.
Installation
Installation complexity remains moderate. The unit fits standard upflow positions in confined spaces thanks to its compact 30 x 21 x 21 inch footprint. Metal flue exhaust requirements are straightforward for most natural gas installations. Electrical setup needs 23.9 to 40 amp breaker capacity at 208/230V single phase. Suction line sizing at 7/8 inch with 3/8 inch insulation thickness and liquid line at 3/8 inch follow conventional practices. Standard sweat valve connections and A-coil configuration pose no unusual challenges for experienced technicians.
Warranty & Reliability
Coverage extends 10 years with online registration, a reasonable commitment at this price tier. This protects against compressor failure, refrigerant leaks, and component defects during the ownership period. The evaporator coil carries separate warranty protection. Contractors should note that online registration is required to activate the full term, and failure to register may reduce coverage to a shorter period. Warranty is non-transferable, which impacts resale value for homeowners planning to sell within the decade.
Specifications
| SKU | LS38783830 |
| Brand/Manufacturer | Online Supply |
| Cooling BTU | 42,000 |
| Heating BTU | 100,000 |
| Refrigerant | R410A |
| Electrical | 208 / 230 V. 1 Phase 60 Hz |
| Warranty | 10 Years with Online Registration |
| Decibel Level (dBA) | 75 |
| Weight (in lbs) | 30.000000 |
| Feature | Spec |
| Airflow Direction | Upflow/Horizontal |
| Exhaust Flue Requirement | Metal |
| Furnace Efficiency / AFUE | 80% |
| Blower Motor | Variable Speed |
| Maximum CFM | 2000 |
| Configuration | Upflow / Downflow |
| Burner Stages | Two |
| Fuel Type | Propane, Natural Gas |
| Height | 30" |
| Width | 21" |
| Depth | 21" |
| Resources | CAPT Installation Manual CAPT 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) | 13 |
| Condenser Stages | Single Stage |
| Compressor Type | Reciprocating |
| Liquid Line | 3/8" |
| Suction Line | 7/8" |
| Liquid Valve Size | 3/8" |
| Max Breaker Size | 40 amps |
| Min. Breaker Size | 23.9 amps |
| Tonnage | 5 Ton |
| Valve Type | Sweat |
| Style | A-Coil |
| Suction Line Insulation Thickness | 3/8" |
| Length | 30 feet |
Frequently Asked Questions
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