Viessmann / GEOTHERMAL HEAT PUMP
100-WA-AP1T040029
Vitocal 100-WA · EPA record 4611397
Source checked Sep 21, 2026
Performance & equipment details
Values below belong to EPA record 4611397. Temperature points and test metrics are preserved as reported. Missing and zero values are not substituted with estimates.
| Metric or attribute | Source value |
|---|---|
| Heating COP | 4.4 |
| Cooling EER · BTU/Wh | 22.0 |
| Equipment / loop type | Closed Loop Water-to-Air |
| Refrigerant | Other |
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 | 4611397 | EPA Sep 21, 2026 |
| markets | United States, Canada | EPA Sep 21, 2026 |
| brand name | Viessmann | EPA Sep 21, 2026 |
| cop rating | 4.4 | EPA Sep 21, 2026 |
| eer rating | 22.0 | EPA Sep 21, 2026 |
| model name | Vitocal 100-WA | EPA Sep 21, 2026 |
| model number | 100-WA-AP1T040029 | EPA Sep 21, 2026 |
| product type | Closed Loop Water-to-Air | EPA Sep 21, 2026 |
| date qualified | 2026-05-11T00:00:00.000 | EPA Sep 21, 2026 |
| refrigerant type | Other | EPA Sep 21, 2026 |
| energy star partner | Viessmann Manufacturing Company | EPA Sep 21, 2026 |
| date available on market | 2025-12-01T00:00:00.000 | EPA Sep 21, 2026 |
| energy star model identifier | ES_42211_100-WA-AP1T040029_04202026153004_01218002305 | EPA Sep 21, 2026 |
| meets most efficient criteria | Yes | EPA Sep 21, 2026 |