Review
Goodman's two-stage furnace and air conditioner combo represents solid mid-market equipment for contractors and homeowners balancing efficiency with budget constraints. The 80,000 BTU heating capacity and 35,000 BTU cooling output address modest residential loads efficiently. Downflow configuration works well in homes with basement installations or compact mechanical spaces. The system carries Energy Star certification and an AHRI certificate number 7368843, confirming performance claims. Online Supply positions this as an accessible alternative to premium brands without cutting corners on core components.
Performance numbers tell a compelling story. The furnace delivers 96% AFUE, meaning only 4% of heating fuel gets wasted up the flue, standard for modern condensing units. On the cooling side, 18 SEER1 efficiency with a two-stage scroll compressor and dual-stage condenser provides responsive temperature control. The variable-speed ECM blower motor maximizes comfort by adjusting to actual heating or cooling demand rather than running full-speed constantly. Maximum airflow reaches 1,600 CFM, sufficient for proper air distribution in three-ton residential applications.
Pros & Cons
Pros
- 96% AFUE furnace efficiency reduces heating costs compared to standard 80-85% units
- 18 SEER1 cooling efficiency with two-stage compressor and condenser for smart load matching
- Variable-speed ECM blower motor optimizes airflow at 1,600 CFM maximum while reducing noise
- Energy Star certified system qualifies for utility rebates in many regions
- 10-year warranty with online registration covers parts and labor peace of mind
- PVC exhaust compatibility simplifies venting and retrofit installations
- Two-stage burner and compressor reduce on-off cycling for steadier temperatures
Cons
- Spec sheet shows conflicting tonnage data, listing both 3-ton and 5-ton designations which creates confusion
- 71 dB noise level is louder than premium variable-speed competitors, noticeable in quiet homes
- R410A refrigerant phase-out means future servicing costs may increase over system lifespan
Who Should Buy
Best For
Homeowners in established neighborhoods upgrading 15-25 year old furnaces and air conditioners where moderate efficiency gains deliver real utility bill reductions. Contractors installing combo systems in mild to moderate climate zones where two-stage cycling justifies the equipment cost.
Consider Alternatives If
Buyers in extreme climates needing maximum efficiency, homes with tight attic spaces limiting condenser placement, or anyone uncomfortable with manufacturer tonnage specifications requiring clarification before purchase.
Installation
Downflow configuration requires basement or attic installation with horizontal ductwork connections. The unit weighs 30 pounds and measures 30 inches tall, 21 inches wide and deep, fitting standard mechanical closets. PVC exhaust venting simplifies installation compared to metal flue requirements on older equipment. Electrical service needs 208 or 230 volt, single-phase, 60 Hz with breaker capacity between 21.3 and 35 amps. Refrigerant lines require 3/8 inch liquid and 7/8 inch suction sizing with standard 3/4 inch insulation thickness.
Warranty & Reliability
The 10-year parts and labor warranty activates through online registration, covering furnace heat exchanger, compressor, and condenser failures under normal use. This matches industry standard coverage but requires timely registration. Goodman includes a separate evaporator coil warranty. Coverage excludes refrigerant loss, maintenance neglect, and improper installation. Keep documentation accessible for claims.
Specifications
| SKU | LS38783850 |
| Brand/Manufacturer | Online Supply |
| Cooling BTU | 35,000 |
| Heating BTU | 80,000 |
| Refrigerant | R410A |
| Electrical | 208 / 230 V. 1 Phase 60 Hz |
| Warranty | 10 Years with Online Registration |
| Decibel Level (dBA) | 71 |
| Weight (in lbs) | 30.000000 |
| Feature | Spec |
| AHRI Certificate Number | 7368843 |
| Airflow Direction | Downflow/Horizontal |
| Exhaust Flue Requirement | Plastic / PVC |
| Product Features | Two Stage Condenser |
| Furnace Efficiency / AFUE | 96% |
| Blower Motor | Variable Speed - ECM |
| Maximum CFM | 1600 |
| Configuration | Upflow / Downflow |
| Energy Star | Yes |
| 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. |
| 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 | 5 Ton |
| Valve Type | Sweat |
| Liquid Line | 3/8" |
| Suction Line | 7/8" |
| Style | A-Coil |
| Suction Line Insulation Thickness | 3/4" |
| Length | 50 feet |
Frequently Asked Questions
Affiliate disclosure: IndustrialRank earns a commission on qualifying purchases at no extra cost to you. We only recommend products we have independently reviewed.