Review
The Goodman 3 Ton horizontal gas furnace and air conditioner system sits in a well-traveled middle ground: capable equipment at entry-level pricing that appeals to both contractors and DIY-oriented homeowners. With a 96% AFUE furnace paired to a 15 SEER cooling section, this unit delivers above-baseline efficiency without exotic refrigerants or boutique engineering. At 3.5 tons actual capacity and 120,000 BTU heating output, it handles moderate residential loads competently. The horizontal A-coil configuration makes it ideal for attics, crawlspaces, or side-mounted installations where space is tight.
Performance numbers tell a straightforward story. The furnace operates at 96% AFUE, meaning 96 cents of every energy dollar goes to heating your home rather than escaping through the flue. The cooling side delivers SEER1 16 efficiency using a two-stage scroll compressor that reduces runtime and noise compared to single-stage equipment. The ECM multi-speed blower motor adjusts to varying demand, improving comfort and reducing standby power draw. Electrical requirements are modest at 115V single-phase 60Hz, with a 21.8 to 35 amp breaker range that fits standard home panels. The unit weighs 63 pounds, making it manageable for installation teams.
Pros & Cons
Pros
- 96% AFUE efficiency reduces heating fuel consumption and monthly operating costs significantly
- Two-stage compressor and ECM blower motor enable quieter operation at 70.4 dB versus single-stage units
- SEER1 16 rating exceeds the minimum 15 SEER spec listed, delivering better cooling efficiency than baseline
- Multi-speed ECM blower motor improves air distribution and comfort compared to constant-speed alternatives
- Horizontal configuration and 63 lb weight make it suitable for tight attic or basement installations
Cons
- Spec sheet lists both R410A and R22 compatibility, creating confusion about which refrigerant is actually used
- 70.4 dB noise level is acceptable but not class-leading for units at this price point
- 10-year warranty requires online registration, adding an extra step that some users miss
Who Should Buy
Best For
Contractors replacing failed systems in existing homes and budget-conscious homeowners who want solid efficiency without paying for premium brands. This unit strikes a practical balance for properties where heating and cooling demands are moderate and space constraints favor compact horizontal designs.
Consider Alternatives If
Buyers in extremely hot climates needing maximum cooling capacity should consider higher tonnage options, and those seeking extended warranties beyond 10 years should explore alternatives.
Installation
Installation complexity is moderate. The unit accepts sweat-type refrigerant connections with 3/8 inch liquid and 7/8 inch suction lines, requiring basic soldering skills or professional handling. PVC plastic venting is required for the furnace flue, with the outlet on the right side. The horizontal orientation requires secure mounting in the installation location. Standard ductwork connections and thermostat integration apply. Most HVAC contractors complete installation in 4 to 6 hours.
Warranty & Reliability
Goodman provides 10 years of parts warranty with online registration required. This covers the compressor, coil, and furnace heat exchanger at no cost during the coverage period, labor excluded. Registration through Goodman's website takes minutes and is critical to claim eligibility. Ten years aligns with industry standard for mid-tier equipment, though some competitors offer 12-year options. Warranty is transferable if you sell the home.
Specifications
| SKU | CHPF3743D6 |
| Brand/Manufacturer | Goodman |
| Cooling BTU | 36,000 |
| Heating BTU | 120,000 |
| Refrigerant | R410A or R22 |
| Electrical | 115 V. 1 Phase 60 Hz |
| Warranty | 10 Years with Online Registration |
| Decibel Level (dBA) | 70.4 |
| Weight (in lbs) | 63.000000 |
| Feature | Spec |
| Energy Star | Yes |
| SEER1 (Efficiency) | 16 |
| 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 | 21.8 amps |
| Tonnage | 3.5 Ton |
| Valve Type | Sweat |
| Height | 24.5" |
| Width | 21.125" |
| Depth | 26" |
| Resources | CHPF Installation Manual CHPF 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. |
| Airflow Direction | Upflow/Horizontal |
| Exhaust Flue Requirement | Plastic / PVC |
| Furnace Efficiency / AFUE | 96% |
| Blower Motor | Multi-Speed - ECM |
| Maximum CFM | 2000 |
| Configuration | Horizontal |
| Flue Location | Right |
| Burner Stages | Two |
| Fuel Type | Gas |
| Liquid Line | 3/8" |
| Suction Line | 7/8" |
| Style | A-Coil |
Frequently Asked Questions
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