AC Repair, Install & Replacement near Deacon Avenue in Warwick, RI

Recover 410a refrigerant
Pressure test the unit to 150 psi of nitrogen check for leak
Pressure test to 300 psi of nitrogen check for leak
Pressure test to 400 psi of nitrogen check for leak
Leave system over night to see if we lost pressure if leak was not found
Remove nitrogen from system
Make repair if its at flare fitting or place where we can braze
Pressure test system to 400 psi and let sit for a day or week
If pressure holds remove nitrogen
Pull vacuum to 500 microns
Add 4lb of R410a refrigerant
Test system for proper oporation