Viessmann / BOILER
VR1-91
Vitorond 100 · EPA record 2313399
Source checked Sep 21, 2026
Performance & equipment details
Values below belong to EPA record 2313399. Temperature points and test metrics are preserved as reported. Missing and zero values are not substituted with estimates.
| Metric or attribute | Source value |
|---|---|
| AFUE · % | 87 |
| Equipment / loop type | Boiler |
| Fuel | Oil |
| Hot-water integration | Yes |
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 | 2313399 | EPA Sep 21, 2026 |
| markets | United States, Canada | EPA Sep 21, 2026 |
| fuel type | Oil | EPA Sep 21, 2026 |
| brand name | Viessmann | EPA Sep 21, 2026 |
| model name | Vitorond 100 | EPA Sep 21, 2026 |
| model number | VR1-91 | EPA Sep 21, 2026 |
| product type | Boiler | EPA Sep 21, 2026 |
| date qualified | 2021-11-08T00:00:00.000 | EPA Sep 21, 2026 |
| efficiency afue | 87 | EPA Sep 21, 2026 |
| energy star partner | Viessmann Manufacturing Company | EPA Sep 21, 2026 |
| date available on market | 2017-01-04T00:00:00.000 | EPA Sep 21, 2026 |
| energy star model identifier | ES_42211_VR1-91_03232018181610_5477491 | EPA Sep 21, 2026 |
| can integrate hot water heating | Yes | EPA Sep 21, 2026 |