Context first: after Laura, installers worked miracles at terrible speed in worse conditions. But speed has a signature, and five shortcuts recur in calls now: skipped load calculations (oversized units, humid houses), reused line sets without proper flushing, condensate drains routed to wherever was fastest, duct connections taped rather than sealed, and charge set by rule of thumb instead of measurement.
Each announces itself differently: the oversized unit short-cycles and never dries the house; the contaminated line set eats a compressor years later; the lazy drain route clogs into a ceiling; the taped ducts sweat and leak cooling into the attic. A service tech who knows the era reads these like tree rings.
The fix is not automatically a new system. Charge can be weighed in correctly, drains rerouted, ducts sealed. If your home's system dates to the recovery, one diagnostic visit that checks these five things is the highest-value appointment available to you.
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