CVH837GKA2*+TSTAT
CONSTANTCOMFORT DELUXE 18 VS HP 2-STAGE
65 published source records · source checked Sep 21, 2026
Each efficiency range summarizes published EPA records for CVH837GKA2*+TSTAT. The highest SEER2 and HSPF2 may belong to different combinations. Open a source record below to see its ratings and the scope of its component information.
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Heating performance & equipment details
Ranges include the 65 published source records for this model. Values in different rows may describe different configurations. Open an individual record to compare values from the same test configuration.
| Reported field | Value / range | Records supplying it |
|---|---|---|
| SEER2 · BTU/Wh | 17–18 | 65 / 65 |
| EER2 · BTU/Wh | 11.7–12 | 65 / 65 |
| HSPF2 · BTU/Wh | 8.1–8.5 | 65 / 65 |
| Cooling capacity · BTU/h | 31,600–33,000 | 65 / 65 |
| Heating capacity at 47°F / 8.3°C · BTU/h | 46,000–48,000 | 65 / 65 |
| Heating capacity at 17°F / −8.3°C · BTU/h | 30,200–31,000 | 65 / 65 |
| Heating capacity at 5°F / −15°C · BTU/h | 24,000–24,400 | 65 / 65 |
| COP at 5°F / −15°C | 1.94–1.98 | 65 / 65 |
| Equipment / loop type | HP - Split System | 65 / 65 |
| Refrigerant / source-reported GWP | R-410A (GWP:2088) | 65 / 65 |
| Compressor staging | Two-stage | 65 / 65 |
| Connected capability | No | 65 / 65 |
47°F = 8.3°C; 17°F = −8.3°C; 5°F = −15°C. COP is dimensionless. These are reported rating points, not a prediction of a particular home’s heat demand or operating limit.
Matched systems
Each row is one source record. The component column distinguishes listed combinations from outdoor-model ratings without an indoor configuration.
| Indoor unit / required furnace | SEER2BTU/Wh | HSPF2BTU/Wh | Heating capacity at 5°F / −15°CBTU/h | COP at 5°F / −15°C | Record & comparison |
|---|---|---|---|---|---|
EN(A,D,W)4X60L24**+ furnace: *80VSL0902420A*AHRI reference: 210464996 | 18.00 | 8.10 | 24200 | 1.96 | EPA 2417030 → |
EN(A,D,W)4X60L24**+ furnace: *96VTN1002122A*AHRI reference: 210464941 | 18.00 | 8.10 | 24000 | 1.94 | EPA 2417654 → |
EA*4X61L24A*+ furnace: *96VSN1002120A*AHRI reference: 210461741 | 18.00 | 8.10 | 24200 | 1.96 | EPA 2632642 → |
EA*4X61L24A*+ furnace: *96VSN1202422A*AHRI reference: 210461752 | 18.00 | 8.10 | 24200 | 1.98 | EPA 2632658 → |
EA*4X60L24A*+ furnace: *96VTN1002122A*AHRI reference: 210460985 | 18.00 | 8.10 | 24200 | 1.96 | EPA 2632737 → |
EA*4X61L21A*+ furnace: *80VTL0902120A*AHRI reference: 210461431 | 18.00 | 8.10 | 24400 | 1.98 | EPA 2632870 → |
EA*4X61L21A*+ furnace: *96VTN1002122A*AHRI reference: 210461330 | 18.00 | 8.10 | 24200 | 1.96 | EPA 2632942 → |
EA*4X61L21A*+ furnace: *80VSL0902120A*AHRI reference: 210461418 | 18.00 | 8.10 | 24400 | 1.98 | EPA 2632950 → |
EA*4X61L24A*+ furnace: *96VTN0802120A*AHRI reference: 210461965 | 18.00 | 8.10 | 24400 | 1.98 | EPA 2633025 → |
EA*4X61L24A*+ furnace: *80VTL0902120A*AHRI reference: 210461841 | 18.00 | 8.10 | 24400 | 1.98 | EPA 2633035 → |
EA*4X61L24A*+ furnace: *96VTN1002120A*AHRI reference: 210461976 | 18.00 | 8.10 | 24400 | 1.96 | EPA 2633068 → |
EA*4X61L24A*+ furnace: *80VSL0902120A*AHRI reference: 210461808 | 18.00 | 8.10 | 24400 | 1.98 | EPA 2633089 → |
EA*4X61L24A*+ furnace: *96VTN1202422A*AHRI reference: 210461855 | 18.00 | 8.10 | 24200 | 1.96 | EPA 2633094 → |
EA*4X61L24A*+ furnace: *96VTN1002122A*AHRI reference: 210461764 | 18.00 | 8.10 | 24200 | 1.98 | EPA 2633150 → |
EN(A,D,W)4X60L24**+ furnace: *80VSL0902120A*AHRI reference: 210464985 | 17.50 | 8.10 | 24000 | 1.94 | EPA 2416845 → |
EN(A,D)4X48L24**+ furnace: *80VSL1102422A*AHRI reference: 210464684 | 17.50 | 8.10 | 24200 | 1.94 | EPA 2416860 → |
EN(A,D)4X48L24**+ furnace: *96VTN1002122A*AHRI reference: 210464618 | 17.50 | 8.10 | 24200 | 1.96 | EPA 2417011 → |
EN(A,D,W)4X48L21**+ furnace: *96VTN1002122A*AHRI reference: 210464173 | 17.50 | 8.10 | 24200 | 1.96 | EPA 2417022 → |
EN(A,D,W)4X60L24**+ furnace: *80VSL1102422A*AHRI reference: 210465007 | 17.50 | 8.10 | 24000 | 1.96 | EPA 2417217 → |
EN(A,D,W)4X60L24**+ furnace: *80VTL0902120A*AHRI reference: 210465018 | 17.50 | 8.10 | 24000 | 1.94 | EPA 2417221 → |
Sources and documentation
The table uses public EPA ENERGY STAR data. AHRI references are reported by EPA and have not been independently checked with AHRI. Source records do not establish availability, installation suitability or rebate eligibility.
No manufacturer manual has been matched to this model.
Collection method, revision history and known limitations →