SpecDirectory

Lochinvar WHB399NvsTHERMAL SOLUTIONS AMP400

Side-by-side commercial boiler comparison

Lochinvar WHB399N

Thermal Efficiency

94.4%

Input Rate

399MBTU/hr

Turndown Ratio

5.00

Application

Indoor

THERMAL SOLUTIONS AMP400

Thermal Efficiency

97%

Input Rate

400MBTU/hr

Turndown Ratio

10.00

Application

Indoor

Key differences

THERMAL SOLUTIONS AMP400 is 3% more efficient at 97.0 % versus 94.4 % for the Lochinvar WHB399N. The THERMAL SOLUTIONS AMP400 is larger at 400 MBTU/hr versus 399 MBTU/hr. Overall, the THERMAL SOLUTIONS AMP400 sits higher in the category, ranking above 22% of certified commercial boilers.

Performance

SpecLochinvarTHERMAL SOLUTIONS
Thermal Efficiency(%)94.497
Full-Load Input Rate(MBTU/hr)399400
Turndown Ratio5.0010.00

Configuration

SpecLochinvarTHERMAL SOLUTIONS
ApplicationIndoorIndoor
Control TypeMulti-stageMulti-stage
Model NameKnight Wall HungAMP

More comparisons