EXC4098
Dunkirk · Boiler
ENERGY STAR CertifiedBoilers →
AFUE
87%
Fuel
Oil
Type
Boiler
Low AFUE
Dunkirk EXC4098: AFUE 87%, lower than 99% of boilers (category median 95%).
Where this model sits
AFUE87%
87median 9597
Lower than 99% of boilers.
The Dunkirk EXC4098 is a 87 % boiler. At 87 % it ranks in the bottom 0% of the 642 certified boilers models.
Specifications
| Efficiency | |
|---|---|
| AFUE | 87% |
| Fuel Type | Oil |
| Can Integrate Hot Water Heating | No |
| Configuration | |
| Product Type | Boiler |
| Model Name | EXC4098 |
| Identifiers | |
| Model Number | EXC4098 |
| ENERGY STAR ID | ES_1109229_EXC4098_09162025003058_09217735296 |
| Partner | ECR International |
| Date Qualified | 2026-05-05 |
| Available From | 2025-09-15 |
| Markets | United States, Canada |
Documentation
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