Document HSPF2, SEER2, and capacity at design temperatures, alongside Manual J, S, and D where applicable. Capture test-in and test-out readings so improvements are visible. Transparent data supports incentives, simplifies appraisals, and reassures homeowners that promised comfort and savings are genuinely delivered.
Technicians must carry appropriate certification and recovery equipment. Pressure test with dry nitrogen, hold steady, and evacuate deeply with micron monitoring before releasing charge. Smart practices reduce leaks, protect indoor air quality, and keep climate impacts low while meeting evolving regulatory expectations responsibly.
Store permits, inspector notes, equipment serials, torque logs, wiring diagrams, and photos in a single shareable folder. When questions arrive years later, answers are immediate. Organized evidence protects businesses, speeds warranty claims, and helps new team members maintain continuity without reinventing decisions.