Jonah Hart

HVAC Service Technician

Denver, CO, United States

Professional Summary

Results-driven HVAC Service Technician with 6+ years diagnosing, installing, and maintaining commercial and residential heating and cooling systems across the Front Range. Known for first-visit fix rates, clear customer communication, and EPA Section 608 best practices. Seeking a senior tech or lead installer role with a growing mechanical contractor.

Employment History

HVAC Service Technician

Peak Range Mechanical · Denver, CO

Mar, 2021 · Present

• Complete 220+ service calls per year across rooftop units, heat pumps, and VRF systems with a 97% first-visit resolution rate • Cut average callback rate 19% by standardizing diagnostic checklists and parts staging for common failures • Mentor 2 apprentices on safe refrigerant recovery, airflow balancing, and customer walkthroughs

HVAC Installer

Mile High Comfort Co. · Aurora, CO

Jun, 2018 · Feb, 2021

• Installed 90+ residential furnace and AC changeouts annually, averaging 4.9/5 customer satisfaction scores • Reduced install punch-list items 25% by pre-staging fittings and verifying clearances before start • Coordinated with electricians and sheet-metal techs to keep multi-trade changeouts on a one-day schedule

Maintenance Helper / Apprentice

Front Range Facilities Services · Lakewood, CO

May, 2016 · May, 2018

• Supported preventive maintenance on 40+ commercial sites; logged filter, belt, and coil work in CMMS • Assisted senior techs on after-hours emergency calls for frozen coils and failed compressors

Education

AAS, HVAC/R Technology

Front Range Community College · Westminster, CO

2016 · 2016

Hands-on training in residential and light commercial HVAC systems, electrical troubleshooting, brazing, airflow diagnostics, and load checks.

EPA Section 608 Universal Certification

EPA-approved certification

Universal refrigerant handling credential covering recovery, recycling, reclamation, and safe refrigerant practices.

OSHA 10 Construction · NATE Ready to Work

Industry Certifications

Construction safety training and entry-level HVAC competency credential.

Skills

Residential & light commercial HVAC

Heat pumps

Refrigerant recovery

Airflow diagnostics