Residential HVAC Technician
Gulf Coast Climate Systems · Houston, TX
Mar, 2022 · Present
• Run 5–7 residential service and install calls per day across Greater Houston; maintain ~92% same-day diagnostic close rate on no-cool / no-heat tickets during peak summer and winter waves.
• Lead 2–3 ton heat-pump and gas-furnace changeouts (including line-set, condensate, and thermostat commissioning); average install punch-list closure within one follow-up visit.
• Diagnose sealed-system failures with manifold gauges, micron gauges, and recovery machines; recover and recharge R-410A/R-32 systems to manufacturer charge specs with documented weigh-in.
• Mentor two apprentice techs on electrical troubleshooting (contactors, capacitors, boards) and customer walkthroughs; reduced callback rate on apprentice-assisted jobs by ~18% over two seasons.
• Complete load-aware recommendations (Manual J notes, duct static checks) that convert ~30% of service visits into planned equipment upgrades without overselling.
HVAC Service Technician
Houston Home Comfort Co. · Houston, TX
Jun, 2019 · Feb, 2022
• Serviced residential split systems, package units, and ductless mini-splits for a ~1,200-home maintenance-plan book; hit 95%+ on-time arrival on scheduled PM routes.
• Performed seasonal tune-ups (coils, filters, condensate, amp draws, temperature splits) that cut mid-summer emergency callbacks for plan customers by measurable route QA scores.
• Replaced failed capacitors, contactors, blower motors, and igniters; kept van stock organized so first-visit parts availability stayed above 85%.
• Documented every ticket in the company CRM with photos, readings, and homeowner-friendly summaries; praised in CSAT comments for clear explanations of repair vs. replace options.
• Supported after-hours on-call rotation (~1 week/month); stabilized no-heat and no-cool emergencies for priority residential accounts.
HVAC Helper / Apprentice
Lone Star Mechanical Services · Pasadena, TX
Aug, 2017 · May, 2019
• Assisted lead installers on residential changeouts: recovered refrigerant, pulled vacuum to ≤500 microns, brazed under supervision, and set outdoor pads and disconnects.
• Learned gas furnace start-up, draft verification, and carbon monoxide safety checks; completed EPA 608 Type I & II while on the job.
• Maintained jobsite cleanliness and tool staging; reduced leftover-material returns by tracking leftover fittings and line-set lengths per van.
• Shadowed service techs on electrical and airflow basics; progressed from helper to independent PM tech within 18 months.
• Supported warehouse pulls and van restock for three trucks serving southeast Houston and Pasadena routes.