The Human Diagnostic

Why We Normalize Slow Decline


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Format: Post-call

Runtime: ~8 minutes
Source: Psychology , minimization as coping style; Lazarus and Folkman stress and coping theory (1984)

There's a certain kind of customer who, by the time they call, has waited so long that what I find and what they've told themselves they were dealing with are very far apart.

This was one of those.

He called because the system wasn't keeping up. When I asked how long it had been a problem he said: oh, a few weeks. Maybe a little longer.

When I got there and started checking, a few weeks became something else. The filter was well past any reasonable interval. The coil had a layer of dust that builds over months, not weeks. The blower wheel had enough buildup on the blades that it was running measurably below its rated airflow. And the refrigerant was low , not critically, but enough that it had been compensating for a while.

I asked: have you noticed the system running longer cycles this summer?

He said: maybe a little. I figured it was just the heat.

The heat had been intense, sure. But the system was working about forty percent harder than it should have been for the load it was carrying.

I said: this has probably been building since last fall at least.

He said: I mean, it never really seemed that bad.

That sentence , it never really seemed that bad , is the thing I want to think about.

Because I believe him. It probably never seemed that bad to him. That's not the same as it not being that bad.

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The Human DiagnosticBy Dave Hartzell's Heat & Air - Kingfisher,OK