Hvac Gas Furnace
Bosch BGH97 Gas Furnace
Bosch BGH97 is a premium condensing gas furnace rated up to 97% AFUE. It uses a two-stage gas valve and constant airflow ECM blower, and it can pair with Bosch IDS outdoor units for dual-fuel systems.
Afue
up to 97%
Gas Valve Stages
two-stage
Blower
constant airflow ECM variable-speed
Installation Positions
upflow, horizontal
Dual Fuel Compatible
Yes
ENERGY STAR®
Yes
Model Comparison
5 models
| Specification | 40,000 BTU/h | 60,000 BTU/h | 80,000 BTU/h | 100,000 BTU/h | 120,000 BTU/h |
|---|---|---|---|---|---|
| Model | verify-with-engineering-submittal | verify-with-engineering-submittal | verify-with-engineering-submittal | verify-with-engineering-submittal | verify-with-engineering-submittal |
| output_btuh | 38800 | 58200 | 77600 | 97000 | 116400 |
Shared Specifications
All models| afue | up to 97% |
| gas_valve_stages | two-stage |
| blower | constant airflow ECM variable-speed |
| installation_positions | upflow, horizontal |
| dual_fuel_compatible | Yes |
| ENERGY STAR® | Yes |
| r454b_compatible | Yes |
| warranty | heat exchanger years: 20 · parts years: 5 · heat exchanger registered: limited lifetime · parts registered years: 10 · registration days: 60 · field installed years: 1 |
| notes | Exact model numbers and confirmed capacity steps require Bosch engineering submittal sheets or AHRI Directory verification. R-454B compatibility refers to matched Bosch indoor coils for pairing with R-454B IDS outdoor units. |