Panasonic / AIR-SOURCE HEAT PUMP
CU-2E18SBU-5
CU-2E18SBU-5 · EPA record 2683746
Source checked Sep 21, 2026
Performance & equipment details
Values below belong to EPA record 2683746. Temperature points and test metrics are preserved as reported. Missing and zero values are not substituted with estimates.
| Metric or attribute | Source value |
|---|---|
| SEER2 · BTU/Wh | 19.00 |
| EER2 · BTU/Wh | 12.55 |
| HSPF2 · BTU/Wh | 9.10 |
| Cooling capacity · BTU/h | 16700 |
| Heating capacity at 47°F / 8.3°C · BTU/h | 20200 |
| Heating capacity at 17°F / −8.3°C · BTU/h | Not supplied |
| Heating capacity at 5°F / −15°C · BTU/h | 17700 |
| COP at 5°F / −15°C | 2.00 |
| Equipment / loop type | HP - Split System |
| Refrigerant / source-reported GWP | R-410A (GWP:2088) |
| Compressor staging | Continuously variable |
| Connected capability | No |
This listed system
These ratings apply to the listed configuration. Changing a component may change performance.
Outdoor unit
+CU-2E18SBU-5Indoor unit
CS-E9SD3UAWAHRI reference 10221208 · reported by ENERGY STAR; no direct AHRI data connection.
All source records for CU-2E18SBU-5 →Specifications & provenance
Every value below is preserved from the source record. Checked Sep 21, 2026. Asterisks and other model wildcards are retained as published.
| Source field | Reported value | Evidence |
|---|---|---|
| pd id | 2683746 | EPA Sep 21, 2026 |
| markets | United States, Canada | EPA Sep 21, 2026 |
| cop at 5 f | 2.00 | EPA Sep 21, 2026 |
| eer2 btu wh | 12.55 | EPA Sep 21, 2026 |
| series name | CU-2E18SBU-5 | EPA Sep 21, 2026 |
| cold climate | Yes | EPA Sep 21, 2026 |
| hspf2 btu wh | 9.10 | EPA Sep 21, 2026 |
| model number | CU-2E18SBU-5 | EPA Sep 21, 2026 |
| product type | HP - Split System | EPA Sep 21, 2026 |
| seer2 btu wh | 19.00 | EPA Sep 21, 2026 |
| date certified | 2023-10-05T00:00:00.000 | EPA Sep 21, 2026 |
| manufacturer type | System Manufacturer | EPA Sep 21, 2026 |
| compressor staging | Continuously variable | EPA Sep 21, 2026 |
| energy star partner | Panasonic | EPA Sep 21, 2026 |
| connected capability | No | EPA Sep 21, 2026 |
| refrigerant with gwp | R-410A (GWP:2088) | EPA Sep 21, 2026 |
| ahri reference number | 10221208 | EPA Sep 21, 2026 |
| cooling capacity btu h | 16700 | EPA Sep 21, 2026 |
| indoor unit brand name | Panasonic | EPA Sep 21, 2026 |
| outdoor unit brand name | Panasonic | EPA Sep 21, 2026 |
| date available on market | 2017-05-01T00:00:00.000 | EPA Sep 21, 2026 |
| indoor unit model number | CS-E9SD3UAW | EPA Sep 21, 2026 |
| energy star model identifier | ES_0031845_CU-2E18SBU-5_10132023150807_80187196 | EPA Sep 21, 2026 |
| heating capacity at 5 f btu h | 17700 | EPA Sep 21, 2026 |
| meets most efficient criteria | Yes | EPA Sep 21, 2026 |
| heating capacity at 47 f btu h | 20200 | EPA Sep 21, 2026 |
| meets peak cooling requirements | No | EPA Sep 21, 2026 |