Review
Goodman's 3-ton gas furnace and air conditioner system occupies the practical middle ground in the residential HVAC market. At $2,142, it undercuts premium brands while delivering legitimate efficiency gains through its 18 SEER cooling and Energy Star certification. The upflow A-coil configuration works well in attic or basement installations where space allows for a 34.5 inch height and 156-pound weight. This system targets homeowners upgrading from 2010-era equipment who want measurable energy savings without the $1,000+ premium of top-tier brands.
The cooling side impresses with its 18 SEER rating, two-stage scroll compressor, and variable speed blower motor working together to maintain consistent temperatures while minimizing electrical draw. The 80,000 BTU furnace runs at 80% AFUE with two-stage burners, handling most residential heating loads through moderate winters. R410A refrigerant and 120V single-phase electrical requirements keep installation straightforward. However, spec inconsistencies appear here, with tonnage listed as both 3-ton and 5-ton while cooling capacity shows only 35,000 BTU, creating ambiguity about true system output.
Pros & Cons
Pros
- 18 SEER cooling efficiency qualifies for Energy Star certification, lowering operating costs year-round
- Two-stage compressor and variable speed blower motor provide quiet operation at 71 dBA and better temperature control
- 80,000 BTU heating output with two-stage burner handles most residential heating loads effectively
- Two-valve design with 3/8 inch liquid and 7/8 inch suction lines ensures proper refrigerant flow and system balance
- 10-year warranty with online registration protects against major component failure
Cons
- 80% AFUE furnace efficiency trails high-efficiency models at 95%+ AFUE, resulting in higher heating fuel consumption
- Tonnage mismatch in specs lists both 3-ton and 5-ton capacity, creating confusion about actual system size and cooling output
- 35,000 BTU cooling capacity falls short of stated 3-ton system, which should deliver approximately 36,000 BTU
Who Should Buy
Best For
Homeowners in moderate climates looking to replace 15+ year old systems should consider this unit, as the 18 SEER rating will cut cooling costs noticeably. Budget-conscious contractors need reliable baseline equipment for residential retrofits where customers want efficiency improvements without spending $4,000+.
Consider Alternatives If
Skip this if you live in a hot climate requiring maximum cooling efficiency, need 95%+ AFUE for winter heating, or want a true 3-ton system with matching capacity specs.
Installation
Professional installation is mandatory for this gas furnace, and many jurisdictions require licensed technicians to handle both gas connections and venting. The metal exhaust flue requirement and proper propane or natural gas line sizing cannot be DIY projects. Electrical demands are modest at 21.9 to 35 amp service, making it compatible with standard residential panels. Expect 4 to 6 hours for a technician to complete a replacement installation with existing ductwork.
Warranty & Reliability
The 10-year parts warranty activates with online registration and covers manufacturing defects in the scroll compressor, blower motor, and heat exchanger. This coverage is standard for Goodman systems and protects against catastrophic failures. Labor and refrigerant recharges fall outside the warranty, so factor service calls into your operating budget. Registration takes 10 minutes and should be completed before the system fires up.
Specifications
| SKU | GMVC800805CN |
| Brand/Manufacturer | Goodman |
| Cooling BTU | 35,000 |
| Heating BTU | 80,000 |
| Refrigerant | R410A |
| Electrical | 120 V. 1 Phase 60 Hz |
| Warranty | 10 Years with Online Registration |
| Decibel Level (dBA) | 71 |
| Weight (in lbs) | 156.000000 |
| Feature | Spec |
| Energy Star | Yes |
| SEER1 (Efficiency) | 18 |
| Condenser Stages | Two Stage |
| Compressor Type | Scroll |
| Liquid Valve Size | 3/8" |
| Suction Valve Size | 7/8" |
| Max Breaker Size | 35 amps |
| Min. Breaker Size | 21.9 amps |
| Tonnage | 5 Ton |
| Valve Type | Sweat |
| Height | 34.5" |
| Width | 21" |
| Depth | 28.75" |
| Resources | Goodman Brochure Goodman Installation Instructions Goodman Parts Manual Goodman Service Manual Goodman Technical Information Goodman User Information Goodman Warranty You will need Adobe® Acrobat® Reader to view PDF documents. |
| Safety Information | This gas appliance requires a trained technician to install. Improperly connecting gas lines or improperly connecting a gas flue or venting may result in death. By purchasing this item, you are agreeing that you are using a trained technician to install this gas appliance. We will not be responsible for any injury or property damage arising from improper service or service procedures. Whoever installs or services this unit assumes responsibility for any personal injury or property damage which may result. Many jurisdictions require a license to install this equipment. 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. |
| Configuration | Upflow/Horizontal |
| Liquid Line | 3/8" |
| Suction Line | 7/8" |
| Style | A-Coil |
| AHRI Certificate Number | 204633302 |
| Airflow Direction | Upflow/Horizontal |
| Exhaust Flue Requirement | Metal |
| Furnace Efficiency / AFUE | 80% |
| Blower Motor | Variable Speed |
| Maximum CFM | 2000 |
| Burner Stages | Two |
| Fuel Type | Propane, Natural Gas |
Frequently Asked Questions
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