Review
The Goodman GCVM970804CN represents a practical middle ground in the residential HVAC market. This 3.5-ton combo system packages an 80,000 BTU gas furnace with an air conditioning condenser into one horizontally oriented unit. Goodman positions this equipment for contractors and homeowners prioritizing efficiency without premium pricing. The system uses R410A refrigerant and operates at 115V single-phase, compatible with standard residential electrical service.
Performance metrics are genuinely impressive for the price tier. The furnace delivers 97% AFUE efficiency with a modulating burner that fine-tunes output rather than cycling on-off, reducing energy consumption during mild weather. The AC side achieves 18 SEER2 with a two-stage scroll compressor, earning Energy Star certification. The variable-speed ECM blower adjusts airflow up to 1,600 CFM, matching demand rather than running continuously. This combination generates measurable utility savings over a five-to-ten-year ownership period.
Pros & Cons
Pros
- Exceptional heating efficiency at 97% AFUE with modulating burner that adjusts output based on demand, reducing energy waste
- Strong cooling efficiency with 18 SEER2 rating and two-stage scroll compressor, Energy Star certified
- Variable-speed ECM blower motor maxes out at 1,600 CFM, improving comfort and reducing runtime cycling
- Compact dimensions (34.5 inches H, 21 inches W, 28.75 inches D) fit standard return air plenums in horizontal configuration
- Flexible fuel compatibility handles both natural gas and propane without modifications
Cons
- Cooling capacity listed as 35,000 BTU conflicts with 3-ton tonnage rating, creating specification confusion
- 71 dB noise level runs slightly louder than some competing units during peak compressor operation
- Requires licensed technician installation in most jurisdictions, adding $800-1,500 to project cost
Who Should Buy
Best For
Contractors installing complete heating and cooling systems in residential homes where upfront equipment cost matters and efficiency rebates are available. Homeowners replacing aging furnace-AC combinations seeking Energy Star certified equipment with strong warranty protection.
Consider Alternatives If
Budget-conscious DIY installers should avoid this unit since it legally requires professional installation, and buyers in regions with primarily heating needs should evaluate furnace-only options.
Installation
Professional installation is mandatory, as gas line connections and venting present serious safety risks if mishandled. The plastic PVC exhaust flue requirement (right-side exit) must be confirmed before purchase to ensure proper ductwork routing. Unit dimensions allow installation in standard attics or closets. Electrical connection requires 21.9 to 35-amp breaker sizing. Most jurisdictions mandate licensed contractors, adding $800-1,500 to system cost.
Warranty & Reliability
Goodman provides 10 years of full parts and labor coverage when you register online within 30 days of purchase. This warranty length is competitive in the mid-range segment. Coverage excludes improper installation, lack of maintenance, and refrigerant recharges after initial startup. Registration is straightforward and handled through Goodman's website.
Specifications
| SKU | GCVM970804CN |
| Brand/Manufacturer | Goodman |
| Cooling BTU | 35,000 |
| Heating BTU | 80,000 |
| Refrigerant | R410A |
| Electrical | 115 V. 1 Phase 60 Hz |
| Warranty | 10 Years with Online Registration |
| Decibel Level (dBA) | 71 |
| Weight (in lbs) | 144.000000 |
| 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 | 3.5 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 Specifications 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 | Downflow/Horizontal |
| Liquid Line | 3/8" |
| Suction Line | 7/8" |
| Style | A-Coil |
| AHRI Certificate Number | 7424271 |
| Airflow Direction | Downflow/Horizontal |
| Exhaust Flue Requirement | Plastic / PVC |
| Product Features | Rebate Available |
| Furnace Efficiency / AFUE | 97% |
| Blower Motor | Variable Speed - ECM |
| Maximum CFM | 1600 |
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.