Goodman 3 Ton R32 Evaporator Coil With Internal TXV Upflow / Downflow (CAPTA3626B3)
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Key features
- 3-ton capacity suits homes roughly 1,400 to 2,000 square feet depending on climate and insulation
- R-32 refrigerant compatible, a lower-GWP alternative to R-410A
- Internal TXV for more precise refrigerant metering versus fixed-orifice designs
- Upflow/downflow cabinet orientation for flexible installation positioning
- Cased design protects the coil assembly and simplifies ductwork connection
- Designed to pair with Goodman and compatible R-32 split systems for matched efficiency ratings
About this system
The Goodman CAPTA3626B3 is a 3-ton upflow/downflow evaporator coil designed to work with R-32 refrigerant systems. It ships with an internal thermal expansion valve (TXV), which meters refrigerant more precisely than a fixed orifice, helping the matched outdoor unit operate closer to its rated efficiency across a wider range of load conditions. The upflow/downflow configuration gives installing contractors flexibility in placing the air handler in a basement, closet, or attic without needing a separate coil cabinet.
R-32 is a lower global-warming-potential refrigerant that is increasingly common as the industry moves away from R-410A. If you are pairing this coil with a new outdoor unit or replacing an aging R-410A system, confirm that every component in the system is rated for R-32 before purchase. This coil is a wet component only; it does not have a blower, heat exchanger, or controls, so its contribution to overall system efficiency depends entirely on the outdoor unit and air handler it is matched with and on the quality of the installation.
At roughly 15 to 25 percent below comparable Carrier, Trane, and Lennox coils, the CAPTA3626B3 makes the most sense for homeowners who want a reliable, code-compliant coil without paying a premium brand surcharge, and who are working with a competent installer who will verify proper charge, airflow, and refrigerant line integrity on startup.
The CAPTA3626B3 is a straightforward, competitively priced evaporator coil that checks the right boxes on refrigerant compatibility and internal TXV. Its value proposition is real, but Goodman's documented history of evaporator coil leaks and the brand's overall reliability ceiling mean the savings are best captured by buyers who invest in a thorough installation and keep a maintenance budget ready after year seven.
Overall score is the average of the five ratings above.
What we like
- Priced 15 to 25 percent below comparable Carrier, Trane, and Lennox coils for meaningful upfront savings
- Internal TXV improves efficiency range compared to fixed-orifice coils
- R-32 refrigerant readiness future-proofs the installation as R-410A is phased out
- Upflow/downflow flexibility reduces labor complexity and cabinet cost
- Wide dealer and parts network makes service access straightforward in most markets
Trade-offs
- Goodman evaporator coil leaks are a documented failure mode, appearing in a meaningful share of owner reviews
- A minority of owners report refrigerant leaks within the first year, typically tied to install or charge issues rather than the coil itself
- Long-term reliability sits below premium brands, with compressor lifespans averaging 10 to 14 years versus 15 to 20 for Trane or Carrier systems
- ConsumerAffairs scores average around 2.5 out of 5, with repair cost escalation commonly noted after year seven
What homeowners and pros say about Goodman
Homeowners who have installed Goodman equipment reflect the split that shows up in the brand’s ratings: Google dealer reviews across multiple locations average around 3.8 out of 5, where the most consistent praise is the lower purchase price and the availability of parts and service contractors. On complaint-skewed channels like ConsumerAffairs, the score drops to roughly 2.5 out of 5, and the recurring theme is not immediate failure but rather repair costs that start climbing after year seven or so. For an evaporator coil specifically, the documented failure mode that comes up most in owner feedback is coil leaks, which can range from a warranty repair to a significant out-of-pocket expense depending on labor coverage. A smaller share of owners report refrigerant leaks within the first year, which technicians consistently attribute to installation or initial charge quality rather than the coil itself.
HVAC professionals tend to describe Goodman as a workable product whose outcome depends heavily on the installer. Dual-run capacitor failures are the most commonly serviced Goodman issue and are generally a quick, low-cost fix in the 300 to 600 dollar range, but coil leaks are a different conversation. Pros who install Goodman regularly often stress leak testing at startup and proper line set preparation as non-negotiable steps with this brand. Compressor longevity averages 10 to 14 years across the Goodman lineup, which is a real gap versus the 15 to 20 years more commonly seen with Carrier, Trane, and Lennox equipment. For a coil-only component like the CAPTA3626B3, the calculus is simpler than for a full system: the savings are front-loaded, the R-32 compatibility and internal TXV are genuine positives, and the risk is concentrated in how well the installation is executed and whether coil integrity holds over time.
Sources: ConsumerAffairs Goodman owner reviews, AHRI Directory of Certified Product Performance, U.S. DOE appliance and equipment efficiency standards, Goodman product specification sheets.
How it compares
| Brand | Comparable model | SEER2 | Stage | Price position |
|---|---|---|---|---|
| Goodman | CAPTA3626B3 | N/A (coil only, rating depends on matched system) | N/A (coil component) | Value pick |
| Carrier | Performance Series CNPVP3617ALA | Depends on matched system | N/A (coil component) | Roughly 20 to 30 percent above Goodman |
| Trane | Comfort Coil 4TXCB003DS3HC | Depends on matched system | N/A (coil component) | Roughly 25 to 35 percent above Goodman |
| Lennox | Merit Series CH35-36B+CHPF | Depends on matched system | N/A (coil component) | Roughly 20 to 30 percent above Goodman |
Competitor rows are comparable single-stage units at similar efficiency; price is relative position, not a quote.
Questions about this system
Is this coil compatible with any outdoor unit, or does it have to be a Goodman?
It is engineered to match Goodman and Amana R-32 outdoor units, which is how you obtain a certified AHRI efficiency rating. It may physically connect to other brands, but efficiency ratings and warranty coverage typically require a matched-system pairing, so verify compatibility with your installer before mixing brands.
What does the internal TXV actually do, and is it worth having?
A TXV (thermal expansion valve) adjusts refrigerant flow in response to actual system conditions rather than relying on a fixed orifice. This helps the system maintain efficiency when outdoor temperatures vary and reduces the risk of liquid refrigerant flooding the compressor. For a 3-ton residential system, it is a worthwhile feature and standard on this model.
Goodman coil leaks come up a lot in reviews. How worried should I be?
Evaporator coil leaks are a documented failure mode in Goodman owner feedback, not just isolated complaints. Proper installation, including correct refrigerant charge and clean, dry refrigerant lines, reduces but does not eliminate the risk. Ask your installer about leak testing on startup and consider an extended labor warranty to offset potential repair costs.
Can this coil be used in a downflow application without any modifications?
Yes, the CAPTA3626B3 is rated for both upflow and downflow configurations. Your installer will orient the drain pan correctly for the chosen application; no separate cabinet conversion kit is needed, which is one of the practical advantages of this model.
What refrigerant does this coil use, and does that affect finding a technician for service?
This coil is designed for R-32, a single-component refrigerant that is increasingly common but not yet as universally stocked as R-410A was. Most HVAC technicians can handle R-32, but it is worth confirming that your service contractor carries it before you need a repair, particularly in smaller or rural markets.
Specifications
| Cooling capacity | 3 Ton |
| Configuration | Upflow |
| Refrigerant | R-32 |