59. Aluminum air filter is dirty.
Remedy: Remove from furnace and wash.
60.Inadequate return air. Too small, restricted, or is pulling unconditioned air. Remedy: Consult qualified HVAC ducting contractor for proper installation.
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59. Aluminum air filter is dirty.
Remedy: Remove from furnace and wash.
60.Inadequate return air. Too small, restricted, or is pulling unconditioned air. Remedy: Consult qualified HVAC ducting contractor for proper installation.
26