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Heating Gas furnaces

Temperature rise and furnace airflow

Core

Measure temperature rise, keep it in the nameplate range and set blower speed so the heat exchanger lives a long life.

Rise measurement locations, calculating CFM from rise, blower speed changes and the efficiency differences between mid and high efficiency furnaces.

Before this skill

HVAC Excellence competency codes

  • GH-053
  • SP-036
  • EH-020
  • SP-037
  • SP-042

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