What is a "Counterflow" Furnace?

Furnace Types

Answer

A counterflow furnace operates by drawing room air from the top of the unit, warming it across the combustion chamber, and delivering heated air at floor level.

This design approach creates more uniform temperatures throughout a space, minimizing the temperature difference between floor and ceiling.

Key Characteristics

  • Draws air from the top of the unit
  • Delivers heated air at floor level
  • Creates uniform room temperatures
  • Reduces floor-to-ceiling temperature variance
  • Equipped with a blower

Williams Counterflow Models

Direct-Vent Forsaire Counterflow Models

  • 4007732, 4007731
  • 6007732, 6007731
  • 4007332, 4007331
  • 5507332, 5507331

Top-Vent Forsaire Counterflow Models

  • 6008532, 6008531
  • 3508632
  • Additional models available

Benefits

This configuration is particularly useful for spaces where consistent heating from floor to ceiling is desired, as it addresses the common issue of warm air rising naturally in traditional furnace setups.

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