Summary
Overview
Work History
Education
Skills
Certification
Timeline
Generic
Thomas Johnston

Thomas Johnston

Toms River,NJ

Summary

Dynamic HVACR Service Technician with a proven track record at Hamer Heating, Cooling and Refrigeration , excelling in system troubleshooting and client relationship development. Adept at utilizing advanced diagnostic tools to enhance system efficiency and reduce downtime, while fostering strong customer connections to ensure satisfaction and loyalty. Certified and dedicated to quality workmanship.

Overview

24
24
years of professional experience
1
1
Certification

Work History

HVACR Service Technician

Comfort Zone Home Services
01.2025 - Current
  • Ensured safety compliance with thorough inspections of HVAC-R equipment and systems.
  • Improved customer satisfaction by providing timely and efficient HVAC-R repair services.
  • Connected heating or air conditioning equipment to water, fuel, or refrigerant sources to form complete circuits.
  • Educated customers on best practices for maintaining their HVAC-R systems, promoting long-lasting functionality.
  • Increased longevity of HVAC systems by performing preventive maintenance.
  • Discussed heating and cooling system malfunctions with customers to isolate problems and verify corrected malfunctions.
  • Reduced downtime for businesses by quickly diagnosing and resolving complex HVAC-R issues.
  • Proactively identified potential future issues during service calls, advising clients on steps to mitigate risks.
  • Increased client retention by establishing strong professional relationships and addressing their concerns promptly.
  • Installed bypass dampers, low voltage wiring, smoke detectors, split systems, and package units in commercial or residential buildings.
  • Utilized advanced diagnostic tools to accurately determine root causes of system malfunctions, enabling targeted repairs.
  • Removed old equipment from customers' homes and cleaned up areas to prepare for new installations.
  • Increased overall productivity by consistently completing tasks within projected timeframes, reducing need for follow-up visits.
  • Contributed to a high standard of workmanship by following company guidelines and adhering to local codes during installations and service calls.

Lead Installer/Technician

Hamer HVAC
01.2018 - 01.2025

Accompanied owner to installation appointments to assist in clarifying scope of work to customer and design systems to optimize efficiency.

Responded to emergency service calls for immediate repairs or diagnostic and acquisition of correct OEM replacement of failed components.

Utilized knowledge of industry and connections with different suppliers to find replacement OEM parts or suitable alternatives.

Supervised field installations of junior installation technicians of new equipment ensuring code compliance.

Evaluated system efficiency and deficiencies through use of specialized tools and determined corrective action meeting needs of customer.

Offered customers alternative corrective solutions if best practices were not a feasible solution.

Installer

Big Air HVAC
03.2015 - 12.2017

Assisted and eventually lead installations of residential and light commercial HVACR systems.

Helper

Jon Serenceses Heating and Cooling
04.2014 - 03.2015

Assisted lead in installation of new HVAC systems, change outs of old equipment, and repair of existing equipment.

Painter/Carpenter

Franks Painting and Home Remodeling
04.2012 - 04.2014

Painted interior and exterior of existing homes and some light trim carpenter work.

Carpenter

The Careful Carpenter
06.2006 - 03.2012

Renovated existing homes, additions from foundation to paint (excluding electrical and mechanical systems), built new custom structures made of wood.

Military Police Officer

US Army
12.2004 - 05.2006

Deployed with C Battery 3/112th FA in support of Operation Enduring Freedom. Mission was to reclassify Military Occupational Specialty from 13B to 31B after completion of 31B school. Unit was tasked with deploying to Germany and back fill units that had deployed down range. Our role was to fill in as in garrison military police and perform necessary duties to keep various US installations in Germany safe and residents compliant with the local law and USMCJ.

Carpenter/Laborer

The Careful Carpenter
07.2001 - 11.2004

Carpenters helper

Education

Graduate Certificate - HVAC Trade School, EPA 608, Commercial HVACR Cert

Skill Cat
Online
12.2024

Awarded 31b MOS - Criminal Justice

US Army Military Police School
Fort Leonard Wood, MO
04.2005

Awarded 13b MOS - Artillery

US Army Field Artillery School
Fort Sill, OK
05.2002

Skills

  • EPA certification
  • Thermostat installation
  • Schematic reading
  • HVAC system troubleshooting
  • Air conditioning
  • Equipment installation
  • Heating systems
  • Cooling systems maintenance
  • Control wiring
  • Sheet metal work
  • System installation
  • Leak testing
  • System maintenance
  • Refrigeration systems
  • Client relationship development
  • Piping systems
  • Boiler systems
  • Blueprints and specifications
  • Blueprint interpretation
  • System design
  • Continuity testing
  • Brazing techniques
  • Equipment replacement
  • Indoor air quality
  • Gas furnaces
  • System specifications
  • Electrical diagnostics
  • Certified HVAC technician
  • Valid state driver's license
  • Package and split systems
  • Quality-focused
  • Control systems
  • Electrical wiring
  • System troubleshooting
  • Soldering
  • Dedicated team player
  • Technical troubleshooting
  • Recovering and recycling
  • Single compressor systems
  • Duct sizing and design
  • Adaptable
  • Customer focused
  • Refrigeration system evacuation
  • Electrical and pneumatic controls
  • HVAC and refrigeration systems
  • Troubleshooting expertise

Certification

EPA 608

Trade Math

Intro to Electical Troubleshooting

Intro to HVAC

Refrigeration Basics

Refrigeration Equipment

Heating Basics

Heating Equipment

Airflow Systems

Basic Electrical Systems and Controls

Complete Residential Systems

Basic Science for the Trades

Routine Maintenance Residential Systems

Safety Basics

Customer Interaction

Key Hand Tools

Piping

Brazing and Soldering

Electrical Fundamentals

Using a Multimeter

Wiring Diagrams

Basic Wiring

Advanced Electrical Troubleshooting

Timeline

HVACR Service Technician

Comfort Zone Home Services
01.2025 - Current

Lead Installer/Technician

Hamer HVAC
01.2018 - 01.2025

Installer

Big Air HVAC
03.2015 - 12.2017

Helper

Jon Serenceses Heating and Cooling
04.2014 - 03.2015

Painter/Carpenter

Franks Painting and Home Remodeling
04.2012 - 04.2014

Carpenter

The Careful Carpenter
06.2006 - 03.2012

Military Police Officer

US Army
12.2004 - 05.2006

Carpenter/Laborer

The Careful Carpenter
07.2001 - 11.2004

Graduate Certificate - HVAC Trade School, EPA 608, Commercial HVACR Cert

Skill Cat

Awarded 31b MOS - Criminal Justice

US Army Military Police School

Awarded 13b MOS - Artillery

US Army Field Artillery School