Omar Hassan

Diagnose, repair, and commission residential and light-commercial heat pumps, package units, and rooftop systems across the Phoenix metro. Average 6–8 service calls per day during peak season while documenting findings, estimates, and customer walkthroughs in ServiceTitan. Mentor 2 apprentices on safe recovery, electrical troubleshooting, startup checks, and professional customer communication. Maintain a first-call resolve rate above the team average through disciplined testing, parts planning, and clear recommendations.

Installed split systems and package units for residential and light-commercial customers, following manufacturer specifications and local codes. Performed evacuation, refrigerant charging, airflow checks, startup, and commissioning for new installations. Coordinated with general contractors on multifamily punch lists, closeout corrections, and final customer orientations. Built repeatable install checklists that improved handoff quality and reduced return visits.

Assisted senior technicians on residential service calls, preventive maintenance, installations, and seasonal system inspections. Learned EPA 608 recovery and charging practices, brazing preparation, airflow checks, and safe tool handling. Stocked service vans, tracked parts, and completed job notes, invoices, and customer paperwork accurately. Built a dependable foundation in troubleshooting, code awareness, and respectful in-home service.

Coursework in refrigeration cycles, electrical controls, airflow, brazing, load calculations, and safe service practices. OSHA-10 and EPA 608 Universal certified.