BTU/h ↔ kW conversion
Convert thermal power between international BTU per hour, watts and kilowatts.
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TesCalculsAir conditioning & HVAC
Convert cooling power, check room air changes or connect airflow, duct diameter and air speed. Choose the tool that matches the information you already have: each calculator states the units to enter, the formula used and the limits of the result.
Technical results state their method, assumptions and limits. They do not replace regulatory or professional validation.