Gas Heat Input / Output Calculator

Estimate useful heat output, input BTUH, efficiency, temperature rise, and airflow relationships. Results update live as you type.

Useful Output
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Output MBH
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Temperature Rise
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Gas Use
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Inputs valid. Results update live as values change.

Engineering estimate only. Verify final values against project criteria, equipment submittals, manufacturer data, measured field conditions, and engineering judgment.

Need help applying this to a BAS sequence, air handler, trend review, or commissioning issue? Contact WEBC.