Fotlanoyea: Created page with "
A pressure test does not lie. When a system will not hold nitrogen at 450 PSI, the problem is usually not the compressor, the control board, or the customer “running it too hard.” More often than homeowners realize, the failure starts in the refrigerant path—thin copper, contaminated tubing, split insulation, poor flare work, or a line set that was never built for the climate it was installed in.

I saw that play out recently with..."

2026-08-31T15:10:46Z

Created page with "<html> A pressure test does not lie. When a system will not hold nitrogen at 450 PSI, the problem is usually not the compressor, the control board, or the customer “running it too hard.” More often than homeowners realize, the failure starts in the refrigerant path—thin copper, contaminated tubing, split insulation, poor flare work, or a line set that was never built for the climate it was installed in. I saw that play out recently with..."

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Pre-Insulated Copper Line Sets: Benefits for Installers - Revision history