Bosch SINGULAR 4000vsBurnham by U.S. Boiler ASPN-085
Side-by-side boiler comparison
Bosch SINGULAR 4000
AFUE
95%
Fuel
Natural Gas, Propane Gas
Type
Boiler
Hot Water
Can integrate
Burnham by U.S. Boiler ASPN-085
AFUE
96%
Fuel
Natural Gas, Propane Gas
Type
Boiler
Key differences
Both models are closely matched on afue: 95.0 vs 96.0 %. The Burnham by U.S. Boiler ASPN-085 is larger at 96 % versus 95 %. Overall, the Burnham by U.S. Boiler ASPN-085 sits higher in the category, ranking above 93% of certified boilers.
Efficiency
| Spec | Bosch | Burnham by U.S. Boiler |
|---|---|---|
| AFUE(%) | 95 | 96 |
| Fuel Type | Natural Gas, Propane Gas | Natural Gas, Propane Gas |
| Can Integrate Hot Water Heating | Yes | No |
Configuration
| Spec | Bosch | Burnham by U.S. Boiler |
|---|---|---|
| Product Type | Boiler | Boiler |
| Model Name | VRC-80 | ASPEN |